/* roulang page: index */
:root {
  --primary: #0B4F3C;
  --secondary: #136B54;
  --acid: #D7FF3E;
  --bg: #F4F7F0;
  --card: #FFFFFF;
  --ink: #14231D;
  --muted: #506158;
  --line: #DCE4DC;
  --dark: #082418;
  --coral: #FF6B50;
  --radius-card: 16px;
  --radius-media: 24px;
  --shadow-sm: 0 8px 24px rgba(10,45,32,.06);
  --shadow-lg: 0 14px 32px rgba(10,45,32,.14);
  --shadow-dock: 0 12px 32px rgba(10,45,32,.08);
  --font-main: "PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",sans-serif;
}
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
.container { width: min(1200px, 92vw); margin: 0 auto; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #BCCBBF; border-radius: 999px; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Dock Nav ---------- */
.dock-site {
  position: sticky;
  top: 12px;
  z-index: 100;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}
.nav-dock {
  height: 68px;
  display: flex;
  align-items: center;
  padding: 0 22px;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(220,228,220,.9);
  border-radius: 999px;
  box-shadow: var(--shadow-dock);
  transition: box-shadow .25s ease;
}
.dock-site.is-scrolled .nav-dock { box-shadow: 0 16px 40px rgba(10,45,32,.16); }
.brand-mark { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo {
  display: inline-flex;
  gap: 2px;
  background: var(--primary);
  border-radius: 12px;
  padding: 4px 10px 4px 8px;
  color: var(--acid);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -.5px;
  line-height: 1.4;
}
.brand-logo i { font-style: normal; }
.brand-name { font-size: 17px; font-weight: 800; color: var(--ink); letter-spacing: .5px; }
.main-nav { display: flex; align-items: center; gap: 4px; margin: 0 auto; }
.nav-link {
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  position: relative;
  transition: color .18s ease, background .18s ease;
}
.nav-link:hover { color: var(--primary); background: rgba(11,79,60,.06); }
.nav-link:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }
.nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--acid);
  box-shadow: 0 0 0 2px var(--primary);
}
.dock-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.search-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  color: var(--primary);
  background: transparent;
  transition: background .18s, transform .18s;
}
.search-trigger:hover { background: rgba(215,255,62,.35); }
.search-trigger svg { width: 20px; height: 20px; }
.burger { display: none; }
.mobile-nav-panel { display: none; }

/* ---------- Search Overlay ---------- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(8,36,24,.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 14vh 24px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, visibility .2s ease;
}
.search-overlay.is-open { opacity: 1; visibility: visible; }
.search-panel {
  width: min(640px, 100%);
  background: var(--card);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px);
  transition: transform .2s ease;
}
.search-overlay.is-open .search-panel { transform: translateY(0); }
.global-search { display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.global-search input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 16px;
  color: var(--ink);
  background: transparent;
}
.global-search input::placeholder { color: #A9B8AE; }
.search-close {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--muted);
  transition: background .18s;
}
.search-close:hover { background: #F0F3EF; }
.hot-words { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 18px; font-size: 13px; color: var(--muted); }
.hot-words a { display: inline-block; padding: 5px 12px; background: var(--bg); border-radius: 999px; color: var(--primary); font-weight: 500; }
.hot-words a:hover { background: rgba(215,255,62,.4); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .3px;
  transition: background .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.btn:focus-visible { outline: 2px solid var(--secondary); outline-offset: 3px; }
.btn-primary { background: var(--acid); color: var(--primary); box-shadow: 0 10px 20px rgba(11,79,60,.12); }
.btn-primary:hover { background: #E2FF70; transform: translate(-2px,-2px); box-shadow: 0 16px 26px rgba(11,79,60,.16); }
.btn-primary:active { transform: scale(.98); }
.btn-ghost { background: transparent; color: var(--primary); border: 1px solid rgba(11,79,60,.4); }
.btn-ghost:hover { border-color: var(--secondary); background: rgba(11,79,60,.05); color: var(--secondary); transform: translate(0,-2px); }
.btn-ghost:active { transform: scale(.98); }
.btn-sm { min-height: 40px; padding: 0 18px; font-size: 14px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 64px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(215,255,62,.2), transparent 28%),
    radial-gradient(circle at 12% 90%, rgba(19,107,84,.13), transparent 34%),
    var(--bg);
  z-index: -2;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11,79,60,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,79,60,.035) 1px, transparent 1px);
  background-size: 46px 46px;
  z-index: -1;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 40%, transparent 80%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
  position: relative;
}
.hero-copy { max-width: 620px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(11,79,60,.08);
  color: var(--primary);
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 13px;
  font-weight: 600;
}
.eyebrow::before { content:""; width:6px; height:6px; border-radius:999px; background: var(--acid); box-shadow: 0 0 0 2px var(--primary); }
.h1-title {
  font-size: clamp(32px, 4.2vw, 44px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--ink);
  margin: 22px 0 18px;
}
.h1-title strong { color: var(--primary); }
.hero-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  font-weight: 500;
  margin: 0 0 8px;
}
.hero-sub {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--muted); display: flex; gap: 15px; flex-wrap: wrap; }
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-note svg { width: 14px; height: 14px; color: var(--secondary); }

/* Hero phone mock */
.hero-media { display: flex; justify-content: flex-end; }
.phone-mock {
  width: 318px;
  border-radius: 40px;
  background: #071A12;
  border: 6px solid #0B2A1F;
  box-shadow: 0 24px 60px rgba(10,45,32,.22), 0 0 0 1px rgba(255,255,255,.06);
  overflow: hidden;
  transform: rotate(1.2deg);
  transition: transform .3s ease;
  flex-shrink: 0;
}
.phone-mock:hover { transform: rotate(0deg); }
.phone-screen { background: #0A1F18; padding: 14px 14px 16px; }
.phone-top { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.phone-avatar { width: 36px; height: 36px; border-radius: 12px; background: var(--acid); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-weight: 800; }
.phone-user { flex: 1; }
.phone-user strong { display: block; color: #EAF2ED; font-size: 13px; line-height: 1.3; }
.phone-user span { color: #8FA89D; font-size: 11px; }
.follow-btn { background: rgba(215,255,62,.18); color: var(--acid); border-radius: 999px; padding: 5px 12px; font-size: 12px; font-weight: 600; border: 1px solid rgba(215,255,62,.5); }
.phone-cover { position: relative; border-radius: 24px; overflow: hidden; }
.phone-cover img { width: 100%; aspect-ratio: 9/12.8; object-fit: cover; }
.phone-gradient { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,20,12,0) 35%, rgba(8,20,12,.82) 100%); }
.trend-chip {
  position: absolute; top: 12px; right: 12px;
  display: inline-block;
  background: var(--acid);
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  border-radius: 999px;
  padding: 4px 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,.16);
  z-index: 2;
}
.play-row { position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: 2; display: flex; align-items: center; gap: 8px; color: #fff; }
.play-row svg { width: 28px; height: 28px; fill: #fff; flex-shrink:0; }
.play-progress { flex: 1; height: 4px; border-radius: 999px; background: rgba(255,255,255,.25); overflow: hidden; }
.play-progress i { display: block; height: 100%; width: 66%; border-radius: 999px; background: var(--acid); }
.play-time { font-size: 11px; color: rgba(255,255,255,.85); }
.phone-caption { padding: 14px 4px 10px; }
.phone-caption strong { color: #EAF2ED; font-size: 14px; line-height: 1.5; display: block; }
.phone-caption span { color: #9EB5AA; font-size: 12px; }
.phone-icons { display: flex; align-items: center; gap: 20px; padding: 4px 4px 0; color: #C1D2CA; }
.phone-icons span { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; }
.phone-icons svg { width: 16px; height: 16px; fill: currentColor; }

/* ---------- Sections ---------- */
.section { padding: 70px 0; }
.section-alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 36px; display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; }
.section-title { font-size: clamp(24px, 3vw, 30px); line-height: 1.3; font-weight: 800; margin: 0; letter-spacing: .4px; }
.section-desc { color: var(--muted); max-width: 600px; margin-top: 8px; font-size: 14px; line-height: 1.7; }

/* ---------- Hot Cards ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.hot-card {
  background: var(--card);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid rgba(220,228,220,.72);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.hot-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-media { position: relative; overflow: hidden; background: #E4EAE3; }
.card-media img { width: 100%; aspect-ratio: 5/6; object-fit: cover; transition: transform .5s ease; }
.hot-card:hover .card-media img { transform: scale(1.05); }
.boom-tag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: var(--acid);
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
  font-style: normal;
  letter-spacing: .5px;
  box-shadow: 0 8px 16px rgba(0,0,0,.11);
}
.card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.card-tag { display: inline-flex; width: fit-content; font-size: 12px; color: var(--secondary); background: rgba(19,107,84,.08); padding: 4px 10px; border-radius: 999px; margin-bottom: 10px; font-weight: 600; }
.card-title { font-size: 17px; line-height: 1.55; font-weight: 700; margin: 0 0 8px; letter-spacing: .2px; }
.card-summary { font-size: 13px; color: var(--muted); line-height: 1.7; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-link { margin-top: auto; color: var(--primary); font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: gap .18s; }
.card-link:hover { gap: 10px; }
.card-link svg { width: 15px; height: 15px; }

/* ---------- List / 种草 ---------- */
.list-section { background: #F9FBF7; }
.list-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.list-card {
  border-radius: var(--radius-card);
  background: #FFFDF8;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.list-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.reason-label { display: block; padding: 14px 18px 6px; font-size: 13px; font-weight: 600; color: var(--coral); }
.list-card .list-cover { margin: 0 18px; border-radius: 14px; overflow: hidden; position: relative; }
.list-cover img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.list-cover .hotness {
  position: absolute; right: 10px; bottom: 10px;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
  color: #fff;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
}
.spec-box { padding: 18px; }
.spec-row { display: flex; align-items: center; justify-content: space-between; font-size: 14px; padding: 7px 0; border-bottom: 1px dashed #E7EDE5; }
.spec-row:last-child { border-bottom: none; }
.spec-label { color: var(--muted); }
.spec-value { font-weight: 600; color: var(--ink); }
.stars { color: #FF9F1C; letter-spacing: 2px; font-size: 14px; }
.list-desc { padding: 0 18px 18px; color: var(--muted); font-size: 13px; line-height: 1.7; margin: 0; }
.list-action { padding: 0 18px 18px; }
.btn-soft {
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(11,79,60,.3);
  color: var(--primary);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  gap: 8px;
  transition: all .18s;
}
.btn-soft:hover { background: var(--primary); color: #fff; }
.btn-soft svg { width: 15px; height: 15px; }

/* Query form */
.query-block { margin-top: 56px; background: var(--card); border-radius: 24px; padding: 34px; border: 1px solid var(--line); }
.query-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.query-title { font-size: 16px; font-weight: 700; margin: 0 0 6px; }
.query-sub { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.input-wrap {
  display: flex; align-items: center;
  flex: 1; min-width: 260px;
  background: #FBFCFA;
  border: 1px solid var(--line);
  border-radius: 999px;
  height: 48px;
  padding: 0 8px 0 18px;
  transition: box-shadow .18s ease, border-color .18s ease;
}
.input-wrap:focus-within { border-color: var(--secondary); box-shadow: 0 0 0 4px rgba(19,107,84,.14); }
.input-wrap input { border: none; outline: none; background: transparent; flex: 1; font-size: 14px; color: var(--ink); }
.input-wrap input::placeholder { color: #AAB4AE; }
.form-hint { font-size: 13px; color: var(--secondary); margin-top: 12px; display: flex; align-items: center; gap: 6px; opacity: 0; transition: opacity .2s; }
.query-block.is-success .form-hint { opacity: 1; }
.query-block.is-success .input-wrap { border-color: var(--secondary); }

/* ---------- Voices ---------- */
.voice-section { background: var(--card); }
.voice-track {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: thin;
}
.voice-track::-webkit-scrollbar { height: 5px; }
.voice-track::-webkit-scrollbar-thumb { background: #B5C6BA; border-radius: 999px; }
.voice-card {
  flex: 0 0 300px;
  background: #FDFDF9;
  border-left: 4px solid var(--acid);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.voice-card .stars-row { display: flex; gap: 2px; margin-bottom: 10px; }
.voice-card .stars-row svg { width: 16px; height: 16px; fill: #FF9F1C; }
.voice-card p { margin: 0 0 12px; font-size: 14px; line-height: 1.7; color: #28372F; }
.voice-user { display: flex; align-items: center; gap: 10px; }
.voice-avatar { width: 34px; height: 34px; border-radius: 50%; background: rgba(11,79,60,.1); color: var(--primary); display:inline-flex; align-items:center; justify-content:center; font-size: 12px; font-weight:800; }
.voice-user strong { font-size: 14px; display:block; line-height:1.2; }
.voice-user time { font-size: 12px; color: var(--muted); }

/* ---------- CTA Dark Panel ---------- */
.cta-dark-panel {
  background:
    linear-gradient(115deg, rgba(8,36,24,.97) 0%, rgba(11,79,60,.88) 70%, rgba(8,36,24,.82) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-radius: 32px;
  margin: 0 auto;
  max-width: 1200px;
  padding: 80px 64px;
  color: #F3FAF5;
  position: relative;
  overflow: hidden;
}
.cta-inner { max-width: 640px; position: relative; z-index: 2; }
.cta-inner .section-title-cta { font-size: clamp(24px,3vw,36px); font-weight: 800; margin: 0 0 14px; line-height: 1.3; }
.cta-inner p { color: #BFD4CA; font-size: 15px; max-width: 540px; margin-bottom: 28px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.btn-acid { background: var(--acid); color: var(--primary); border-radius: 999px; min-height: 56px; padding: 0 34px; font-size: 16px; font-weight: 800; box-shadow: 0 12px 28px rgba(215,255,62,.14); transition: transform .18s, box-shadow .18s, background .18s; }
.btn-acid:hover { background: #E4FF72; transform: translate(-2px,-2px); box-shadow: 0 16px 32px rgba(215,255,62,.2); }
.btn-line-light { min-height: 56px; border-radius: 999px; border: 1px solid rgba(255,255,255,.3); color: #F3FAF5; background: transparent; font-weight: 600; margin-left: 8px; }
.btn-line-light:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.5); }
.cta-note { font-size: 13px; color: #8FACA0; margin-top: 22px; letter-spacing: .3px; }
.cta-stat { display: flex; gap: 24px; margin-top: 32px; flex-wrap: wrap; position: relative; z-index: 2; }
.cta-stat-item { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; padding: 16px 20px; min-width: 130px; }
.cta-stat-item strong { display:block; font-size: 22px; font-weight: 800; color: var(--acid); }
.cta-stat-item span { color:#A8C5B8; font-size: 13px; }

/* ---------- News ---------- */
.news-section { background: var(--bg); }
.news-list { display: grid; gap: 14px; }
.news-row {
  display: grid;
  grid-template-columns: 150px 1fr 80px;
  gap: 20px;
  align-items: center;
  background: var(--card);
  border-radius: 16px;
  padding: 20px 24px;
  border: 1px solid rgba(220,228,220,.6);
  box-shadow: var(--shadow-sm);
  transition: transform .18s, box-shadow .18s;
}
.news-row:hover { transform: translateX(4px); box-shadow: var(--shadow-lg); }
.news-left { display: flex; flex-wrap: wrap; gap: 8px; }
.news-cat { display: inline-block; font-size: 12px; background: rgba(19,107,84,.1); color: var(--secondary); border-radius: 999px; padding: 4px 10px; font-weight: 600; }
.news-date { display: block; font-size: 13px; color: var(--muted); width: 100%; }
.news-middle { min-width: 0; }
.news-title { font-size: 16px; font-weight: 700; line-height: 1.5; margin-bottom: 6px; color: var(--ink); }
.news-summary { font-size: 13px; color: var(--muted); line-height: 1.7; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow:hidden; }
.news-arrow { display: inline-flex; align-items: center; justify-content: flex-end; color: var(--primary); font-size: 30px; font-weight: 300; }
.empty-state {
  background: rgba(255,255,255,.8);
  border: 1px dashed #C7D6CB;
  border-radius: 16px;
  padding: 36px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}
.empty-state::before { content:"◎"; display:block; font-size: 26px; opacity:.4; margin-bottom: 6px; }

/* ---------- FAQ ---------- */
.faq-section { background: var(--card); }
.faq-list { max-width: 860px; margin-top: 30px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 4px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after { content:"+"; font-size: 24px; color: var(--primary); font-weight: 400; transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--secondary); }
.faq-answer { padding: 0 26px 18px 4px; color: var(--muted); line-height: 1.85; font-size: 15px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); color: #C8D8D0; margin-top: 0; }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1.4fr; gap: 50px; padding-top: 60px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand-footer .brand-logo { background: rgba(215,255,62,.12); color: var(--acid); }
.footer-brand-footer .brand-name { color: #F3FAF5; }
.footer-desc { font-size: 14px; line-height: 1.85; color: #93AD9F; margin-top: 16px; max-width: 340px; }
.footer-nav-group h3 { color: #F3FAF5; font-size: 15px; margin: 0 0 14px; }
.footer-nav-group a { display: block; color: #93AD9F; font-size: 14px; padding: 5px 0; transition: color .18s; }
.footer-nav-group a:hover { color: var(--acid); }
.footer-console h3 { color: #F3FAF5; font-size: 15px; margin: 0 0 14px; }
.footer-console-box { display: flex; gap: 8px; align-items: center; height: 48px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 999px; padding-left: 18px; }
.footer-console-box input { flex: 1; background: transparent; border: none; outline:none; color:#fff; font-size: 14px; }
.footer-console-box input::placeholder { color: #6F897B; }
.footer-console-box button { height: 36px; border-radius: 999px; background: var(--acid); color: var(--primary); font-weight: 700; padding: 0 16px; margin-right: 5px; font-size: 13px; flex-shrink:0; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding: 24px 0 34px; font-size: 13px; color: #6F897B; }
.footer-bottom a { color: #93AD9F; margin-left: 14px; }
.footer-bottom a:hover { color: var(--acid); }
.icp-slot { display: inline-block; margin-left: 10px; opacity: .8; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .phone-mock { width: 280px; transform: none; }
  .hero-grid { gap: 30px; }
  .cards-grid { gap: 16px; }
  .list-grid { gap: 16px; }
}
@media (max-width: 900px) {
  .hero { padding: 50px 0 60px; }
  .hero-grid { grid-template-columns: 1fr 340px; gap: 20px; }
  .hero-media { justify-content: center; }
  .phone-mock { width: 260px; }
  .phone-mock::after { content:""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 80%, rgba(244,247,240,.4)); }
}
@media (max-width: 768px) {
  .dock-site { top: 0; width: 100%; }
  .nav-dock { height: 58px; border-radius: 0; padding: 0 16px; }
  .main-nav { display: none; }
  .burger { display: inline-flex; align-items:center; justify-content:center; width:40px; height:40px; border-radius:999px; }
  .burger svg { width:20px; height:20px; stroke: var(--ink); }
  .mobile-nav-panel {
    display: block;
    position: fixed;
    inset: 58px 0 0 0;
    z-index: 99;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(14px);
    padding: 24px 20px 30px;
    transform: translateY(-110%);
    visibility: hidden;
    transition: transform .25s ease, visibility .25s ease;
    border-bottom: 1px solid var(--line);
  }
  .mobile-nav-panel.is-open { transform: translateY(0); visibility: visible; }
  .mobile-nav-panel a { display: block; font-size: 18px; color: var(--ink); background: var(--bg); border-radius:14px; padding: 13px 18px; margin-bottom: 10px; font-weight:600; }
  .mobile-nav-panel a.active { background: var(--primary); color: #fff; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; justify-content: center; overflow: hidden; }
  .phone-mock { width: 292px; max-height: 520px; }
  .section { padding: 50px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .cards-grid, .list-grid { grid-template-columns: 1fr; }
  .query-row { flex-direction: column; align-items: stretch; }
  .input-wrap { width: 100%; }
  .news-row { grid-template-columns: 1fr auto; padding: 16px; gap: 10px; }
  .news-left { order:0; }
  .news-arrow { grid-column: 2; grid-row: 1; }
  .cta-dark-panel { border-radius: 20px; padding: 40px 24px; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .btn-acid, .btn-line-light { width: 100%; margin-left: 0; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; padding-top: 42px; }
  .footer-bottom { flex-direction: column; justify-content: center; }
}
@media (max-width: 480px) {
  .brand-name { font-size: 15px; }
  .brand-logo { padding: 3px 8px; font-size: 13px; border-radius: 10px; }
  .h1-title { font-size: 30px; }
  .hero-actions .btn { width: 100%; }
  .phone-mock { width: 260px; }
  .faq-item summary { font-size: 15px; }
  .section-desc { font-size: 13px; }
}

/* roulang page: article */
:root {
        --primary-green: #0B4F3C;
        --secondary-green: #136B54;
        --acid-lime: #D7FF3E;
        --page-bg: #F4F7F0;
        --card-bg: #FFFFFF;
        --ink-green: #14231D;
        --muted: #506158;
        --hairline: #DCE4DC;
        --dark-panel: #082418;
        --coral: #FF6B50;
        --shadow: 0 8px 24px rgba(10, 45, 32, 0.06);
        --shadow-hover: 0 14px 32px rgba(10, 45, 32, 0.14);
        --radius-card: 16px;
        --radius-list: 12px;
        --max-width: 1200px;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        -webkit-text-size-adjust: 100%;
    }
    body {
        margin: 0;
        background: var(--page-bg);
        color: var(--ink-green);
        font-family: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", sans-serif;
        font-size: 15px;
        line-height: 1.75;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }
    body.nav-open,
    body.search-open {
        overflow: hidden;
    }
    a {
        color: var(--primary-green);
        text-decoration: none;
        transition: color 0.15s ease;
    }
    a:hover {
        color: var(--secondary-green);
    }
    img {
        max-width: 100%;
        display: block;
    }
    ul,
    ol {
        list-style: none;
    }
    button,
    input {
        font: inherit;
        border: 0;
        outline: none;
        background: transparent;
    }
    .container {
        width: min(100% - 40px, 1200px);
        margin-inline: auto;
    }
    main {
        flex: 1 0 auto;
    }
    :focus-visible {
        outline: 2px solid var(--secondary-green);
        outline-offset: 2px;
    }
    .menu-check,
    .search-check {
        position: absolute;
        width: 1px;
        height: 1px;
        opacity: 0;
        pointer-events: none;
    }
    .site-header {
        position: sticky;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        height: auto;
        padding: 12px 16px 0;
        pointer-events: none;
        background: linear-gradient(to bottom, rgba(20, 35, 29, 0.08), transparent 40%);
    }
    .nav-dock {
        pointer-events: auto;
        max-width: 1120px;
        width: min(100% - 32px, 1120px);
        height: 72px;
        margin: 0 auto;
        background: rgba(255, 255, 255, 0.84);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border: 1px solid var(--hairline);
        border-radius: 40px;
        box-shadow: 0 12px 32px rgba(10, 45, 32, 0.1);
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 20px 0 24px;
        transition: box-shadow .2s ease, background .2s ease, border-radius .2s ease;
    }
    .nav-dock.scrolled {
        background: rgba(255, 255, 255, 0.92);
        box-shadow: 0 18px 40px rgba(10, 45, 32, 0.14);
    }
    .brand-trigger {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
    }
    .brand-mark {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        color: var(--primary-green);
        font-size: 18px;
        font-weight: 800;
        letter-spacing: 0.2px;
        line-height: 1.2;
    }
    .brand-mark .play-badge {
        width: 32px;
        height: 32px;
        background: var(--primary-green);
        border-radius: 10px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--acid-lime);
        font-size: 15px;
        font-weight: 900;
        letter-spacing: 0;
        transition: transform 0.2s ease, background 0.2s ease;
    }
    .brand-mark:hover .play-badge {
        transform: scale(1.06);
        background: #0D5B46;
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .nav-link {
        display: inline-flex;
        align-items: center;
        position: relative;
        padding: 10px 14px;
        font-size: 14px;
        font-weight: 600;
        color: var(--ink-green);
        border-radius: 999px;
        white-space: nowrap;
        line-height: 1.4;
        transition: background 0.15s ease, color 0.15s ease;
    }
    .nav-link:hover {
        color: var(--secondary-green);
        background: rgba(216, 233, 216, 0.5);
    }
    .nav-link.active {
        color: var(--primary-green);
    }
    .nav-link.active::after {
        content: "";
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--acid-lime);
        position: absolute;
        left: 50%;
        bottom: 2px;
        transform: translateX(-50%);
        box-shadow: 0 0 0 1px rgba(11, 79, 60, 0.08);
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .search-btn {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--hairline);
        background: transparent;
        color: var(--ink-green);
        cursor: pointer;
        transition: border-color .15s ease, background .15s ease;
    }
    .search-btn:hover {
        border-color: var(--secondary-green);
        color: var(--secondary-green);
        background: rgba(19, 107, 84, 0.05);
    }
    .search-btn svg {
        width: 21px;
        height: 21px;
    }
    .header-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--acid-lime);
        color: #142A1D;
        font-weight: 800;
        font-size: 14px;
        line-height: 1;
        padding: 13px 20px;
        border-radius: 999px;
        min-height: 40px;
        transition: filter .15s ease, transform .15s ease, box-shadow .15s ease;
        cursor: pointer;
    }
    .header-cta:hover {
        filter: brightness(1.07);
        transform: translateY(-1px);
        color: #142A1D;
        box-shadow: 0 12px 24px rgba(215, 255, 62, 0.3);
    }
    .header-cta:active {
        transform: scale(0.97);
    }
    .menu-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--hairline);
        cursor: pointer;
        color: var(--primary-green);
        background: white;
    }
    .menu-toggle svg {
        width: 21px;
        height: 21px;
    }
    .mobile-menu {
        display: none;
    }
    .search-layer {
        position: fixed;
        inset: 0;
        z-index: 150;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 24px;
        background: rgba(8, 36, 24, 0.62);
        backdrop-filter: blur(10px);
        opacity: 0;
        visibility: hidden;
        transition: opacity .25s ease, visibility .25s ease;
    }
    .search-layer:focus-within {
        opacity: 1;
        visibility: visible;
    }
    .search-layer-box {
        width: min(100%, 680px);
        transform: translateY(10px);
        transition: transform .25s ease;
    }
    .search-layer:focus-within .search-layer-box {
        transform: translateY(0);
    }
    .search-layer-card {
        background: var(--card-bg);
        border-radius: 24px;
        padding: 28px;
        box-shadow: 0 30px 80px rgba(0, 0, 0, 0.24);
    }
    .search-layer-card h2 {
        font-size: 20px;
        color: var(--ink-green);
        margin-bottom: 4px;
        letter-spacing: 0.02em;
    }
    .search-layer-card p {
        color: var(--muted);
        font-size: 14px;
        margin-bottom: 18px;
    }
    .fake-search-row {
        display: flex;
        align-items: center;
        gap: 10px;
        height: 54px;
        background: var(--page-bg);
        border-radius: 16px;
        padding: 0 12px 0 18px;
        border: 1px solid var(--hairline);
        margin-bottom: 16px;
    }
    .fake-search-row svg {
        color: var(--secondary-green);
        width: 20px;
        height: 20px;
    }
    .fake-search-row input {
        flex: 1;
        font-size: 15px;
        color: var(--ink-green);
        background: transparent;
        line-height: 54px;
    }
    .fake-search-row input::placeholder {
        color: var(--muted);
    }
    .fake-search-row button {
        background: var(--primary-green);
        color: #fff;
        border-radius: 999px;
        padding: 9px 20px;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: background .15s ease;
        height: 38px;
    }
    .fake-search-row button:hover {
        background: var(--secondary-green);
    }
    .search-tags {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        justify-content: flex-end;
    }
    .search-tags span {
        background: var(--page-bg);
        border: 1px solid var(--hairline);
        color: var(--muted);
        border-radius: 999px;
        padding: 7px 12px;
        font-size: 13px;
    }
    .search-close-label {
        float: right;
        color: var(--muted);
        font-size: 13px;
        cursor: pointer;
        padding: 4px 10px;
    }
    .search-check:checked ~ .search-layer {
        opacity: 1;
        visibility: visible;
    }
    .search-check:checked ~ .search-layer .search-layer-box {
        transform: translateY(0);
    }
    /* Article layout */
    .article-hero {
        padding: 56px 0 30px;
        position: relative;
        overflow: hidden;
    }
    .article-hero::before {
        content: "";
        position: absolute;
        top: -80px;
        right: -100px;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(215, 255, 62, 0.4), rgba(215, 255, 62, 0) 70%);
        border-radius: 50%;
        pointer-events: none;
        z-index: 0;
    }
    .article-hero .container {
        position: relative;
        z-index: 1;
        max-width: 980px;
        margin-inline: auto;
    }
    .breadcrumb-row {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
        font-size: 14px;
        color: var(--muted);
        margin-bottom: 16px;
    }
    .breadcrumb-row a {
        color: var(--muted);
        padding: 3px 0;
        position: relative;
        transition: color .15s ease;
    }
    .breadcrumb-row a:hover {
        color: var(--secondary-green);
    }
    .breadcrumb-row .dot-sep {
        width: 3px;
        height: 3px;
        border-radius: 50%;
        background: #AAB5AD;
        display: inline-block;
    }
    .article-tagline {
        display: inline-flex;
        font-size: 13px;
        font-weight: 600;
        color: var(--secondary-green);
        background: rgba(19, 107, 84, 0.1);
        border-radius: 999px;
        padding: 5px 12px;
        margin-bottom: 16px;
        align-items: center;
        gap: 8px;
    }
    .article-tagline i {
        width: 6px;
        height: 6px;
        background: var(--secondary-green);
        border-radius: 50%;
        font-style: normal;
    }
    .article-title {
        font-size: 42px;
        line-height: 1.25;
        font-weight: 800;
        color: var(--ink-green);
        letter-spacing: -0.02em;
        max-width: 900px;
    }
    .article-meta-row {
        display: flex;
        align-items: center;
        gap: 18px;
        margin-top: 24px;
        font-size: 14px;
        color: var(--muted);
        flex-wrap: wrap;
        padding-bottom: 28px;
        border-bottom: 1px solid var(--hairline);
    }
    .article-meta-row span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .article-meta-row svg {
        width: 17px;
        height: 17px;
        color: var(--secondary-green);
    }
    .article-body-wrap {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 280px;
        gap: 48px;
        padding: 14px 0 20px;
        max-width: var(--max-width);
        margin-inline: auto;
    }
    .article-main {
        min-width: 0;
        background: #fff;
        border-radius: 24px;
        border: 1px solid rgba(216, 228, 216, 0.7);
        box-shadow: var(--shadow);
        padding: 42px 56px 40px;
    }
    .article-summary {
        background: rgba(215, 255, 62, 0.18);
        border-left: 4px solid var(--acid-lime);
        border-radius: 12px;
        padding: 18px 20px;
        margin: 8px 0 32px;
        color: #1D3A2D;
        font-size: 15px;
    }
    .article-summary strong {
        color: var(--primary-green);
    }
    .article-editor {
        font-size: 17px;
        line-height: 1.9;
        color: #1D2A24;
    }
    .article-editor h2 {
        font-size: 26px;
        font-weight: 800;
        line-height: 1.4;
        letter-spacing: -0.01em;
        color: var(--ink-green);
        margin-top: 40px;
        margin-bottom: 12px;
        position: relative;
        padding-left: 16px;
    }
    .article-editor h2::before {
        content: "";
        width: 4px;
        height: 22px;
        position: absolute;
        left: 0;
        top: 7px;
        background: var(--acid-lime);
        border-radius: 6px;
    }
    .article-editor p {
        margin-bottom: 1.4em;
    }
    .article-editor blockquote {
        border-left: 4px solid var(--secondary-green);
        background: rgba(11, 79, 60, 0.04);
        border-radius: 0 14px 14px 0;
        padding: 18px 22px;
        margin: 24px 0;
        color: var(--primary-green);
        font-style: normal;
    }
    .article-editor blockquote p {
        margin-bottom: 0;
    }
    .article-editor ul,
    .article-editor ol {
        padding-left: 14px;
        margin: 16px 0 20px;
    }
    .article-editor li {
        position: relative;
        line-height: 1.9;
        margin-bottom: 8px;
        padding-left: 12px;
    }
    .article-editor li::before {
        content: "●";
        position: absolute;
        left: -10px;
        top: 0;
        color: var(--acid-lime);
        text-shadow: 0 0 0 1px var(--primary-green);
        font-size: 9px;
    }
    .article-editor img {
        border-radius: var(--radius-card);
        margin: 20px auto;
        background: rgba(0, 0, 0, 0.03);
        max-width: 100%;
        box-shadow: var(--shadow);
    }
    .article-editor figure {
        margin: 24px 0;
    }
    .article-editor figcaption {
        text-align: center;
        font-size: 13px;
        color: var(--muted);
        margin-top: 10px;
    }
    .article-editor a {
        text-decoration: underline;
        text-underline-offset: 4px;
    }
    .article-actions-bottom {
        margin-top: 46px;
        padding-top: 22px;
        border-top: 1px solid var(--hairline);
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }
    .tag-button {
        background: var(--page-bg);
        border: 1px solid var(--hairline);
        color: var(--primary-green);
        font-weight: 600;
        font-size: 13px;
        border-radius: 999px;
        padding: 8px 14px;
        transition: background .15s ease;
        cursor: pointer;
    }
    .tag-button:hover {
        background: var(--secondary-green);
        color: #fff;
    }
    .btn-outline-green {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        border: 1px solid var(--primary-green);
        color: var(--primary-green);
        font-weight: 600;
        font-size: 14px;
        border-radius: 999px;
        padding: 10px 18px;
        transition: all .15s ease;
    }
    .btn-outline-green:hover {
        background: rgba(11, 79, 60, 0.05);
        transform: translateY(-1px);
        box-shadow: var(--shadow);
        color: var(--primary-green);
    }
    .article-related {
        margin-top: 20px;
        background: var(--dark-panel);
        border-radius: 24px;
        padding: 36px 44px 40px;
        color: rgba(255, 255, 255, 0.7);
        box-shadow: 0 20px 40px rgba(0,0,0,.08);
    }
    .article-related h2 {
        color: #fff;
        font-size: 34px;
        font-weight: 800;
        letter-spacing: -0.02em;
        margin-bottom: 24px;
    }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .related-card {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 18px;
        overflow: hidden;
        transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
        display: flex;
        flex-direction: column;
    }
    .related-card:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateY(-3px);
        box-shadow: 0 16px 30px rgba(0, 0, 0, .25);
    }
    .related-img {
        aspect-ratio: 4/3;
        background: #d4e0d4;
        position: relative;
        overflow: hidden;
    }
    .related-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .3s ease;
    }
    .related-card:hover .related-img img {
        transform: scale(1.03);
    }
    .related-body {
        padding: 16px 18px 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .related-body h3 {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        line-height: 1.55;
        margin-bottom: 8px;
    }
    .related-body p {
        font-size: 13px;
        color: rgba(255,255,255,0.6);
        line-height: 1.6;
        flex: 1;
    }
    .related-link {
        font-size: 13px;
        color: var(--acid-lime);
        font-weight: 600;
        margin-top: 15px;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: color .15s ease;
    }
    .related-link:hover {
        color: #A9D31C;
        text-decoration: underline;
    }
    /* Sidebar */
    .article-side {
        display: flex;
        flex-direction: column;
        gap: 22px;
    }
    .side-card {
        background: var(--card-bg);
        border-radius: 20px;
        border: 1px solid rgba(216, 228, 216, 0.8);
        box-shadow: var(--shadow);
        padding: 24px;
        position: sticky;
        top: 100px;
    }
    .side-card h3 {
        font-size: 17px;
        color: var(--ink-green);
        font-weight: 800;
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .side-card h3::before {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: var(--acid-lime);
        content: "";
        margin-right: 10px;
        box-shadow: 0 0 0 4px rgba(215, 255, 62, 0.25);
    }
    .side-card h3 span {
        font-size: 13px;
        color: var(--muted);
        font-weight: 400;
    }
    .toc-list li {
        position: relative;
        padding-left: 16px;
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 14px;
        color: var(--primary-green);
    }
    .toc-list li::before {
        content: "▪";
        position: absolute;
        left: 0;
        color: var(--acid-lime);
    }
    .toc-list a {
        color: var(--ink-green);
        font-weight: 500;
        transition: color .15s ease;
    }
    .toc-list a:hover {
        color: var(--secondary-green);
    }
    .side-search {
        background: var(--page-bg);
        border: 1px solid var(--hairline);
        border-radius: 14px;
        height: 46px;
        display: flex;
        align-items: center;
        padding: 0 6px 0 16px;
        gap: 8px;
        margin-top: 14px;
    }
    .side-search svg {
        color: var(--secondary-green);
        width: 17px;
        height: 17px;
        flex-shrink: 0;
    }
    .side-search input {
        flex: 1;
        min-width: 0;
        background: transparent;
        font-size: 14px;
        color: var(--ink-green);
    }
    .side-search input::placeholder {
        color: var(--muted);
    }
    .hot-badge {
        background: rgba(255, 107, 80, 0.1);
        color: var(--coral);
        border-radius: 999px;
        font-size: 12px;
        font-weight: 700;
        padding: 4px 10px;
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .hot-badge i {
        width: 6px;
        height: 6px;
        background: var(--coral);
        border-radius: 50%;
        animation: flicker 1.8s infinite;
    }
    @keyframes flicker {
        0%,
        100% {
            opacity: 1;
        }
        50% {
            opacity: 0.4;
        }
    }
    /* Footer */
    .site-footer {
        margin-top: 70px;
        background: var(--dark-panel);
        color: rgba(255, 255, 255, 0.72);
        font-size: 15px;
        padding: 52px 0 0;
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.3fr 1fr 1.2fr;
        gap: 48px;
        padding-bottom: 34px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin-bottom: 22px;
    }
    .site-footer a {
        color: rgba(255, 255, 255, 0.72);
        transition: color .15s ease;
    }
    .site-footer a:hover {
        color: #fff;
    }
    .footer-brand-footer .brand-mark {
        color: #fff;
        font-size: 18px;
        font-weight: 800;
    }
    .footer-brand-footer .brand-mark .play-badge {
        color: var(--primary-green);
        background: var(--acid-lime);
    }
    .footer-desc {
        margin-top: 16px;
        color: rgba(255, 255, 255, 0.55);
        font-size: 14px;
        line-height: 1.85;
        max-width: 320px;
        letter-spacing: .01em;
    }
    .site-footer h3 {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 16px;
        letter-spacing: 0.02em;
    }
    .footer-nav-group {
        display: flex;
        flex-direction: column;
    }
    .footer-nav-group a {
        padding: 4px 0;
        font-size: 14px;
        line-height: 1.8;
        display: inline-flex;
        width: fit-content;
    }
    .footer-nav-group a.active {
        color: var(--acid-lime);
    }
    .footer-console-box {
        display: flex;
        gap: 0;
        background: rgba(255, 255, 255, 0.08);
        border-radius: 16px;
        height: 47px;
        overflow: hidden;
    }
    .footer-console-box input {
        flex: 1;
        color: #fff;
        padding: 0 16px;
        font-size: 14px;
        min-width: 0;
    }
    .footer-console-box input::placeholder {
        color: rgba(255, 255, 255, 0.4);
    }
    .footer-console-box button {
        background: var(--acid-lime);
        color: #14231D;
        font-weight: 700;
        border-radius: 0 14px 14px 0;
        padding: 0 20px;
        font-size: 14px;
        cursor: pointer;
        transition: filter .15s ease;
    }
    .footer-console-box button:hover {
        filter: brightness(1.1);
    }
    .footer-copy {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.55);
        margin-top: 12px;
    }
    .footer-bottom {
        display: flex;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
        font-size: 13px;
        padding-bottom: 24px;
        color: rgba(255, 255, 255, 0.4);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.4);
        margin-right: 14px;
        transition: color .15s ease;
    }
    .footer-bottom a:hover {
        color: #fff;
    }
    .footer-bottom .icp-slot {
        margin-left: 16px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 999px;
        padding: 2px 8px;
        font-size: 12px;
        display: inline-block;
    }
    /* Empty state */
    .article-missing-wrap {
        background: var(--card-bg);
        border: 1px solid var(--hairline);
        border-radius: var(--radius-card);
        text-align: center;
        padding: 72px 20px;
        margin: 24px auto;
        max-width: 780px;
        box-shadow: var(--shadow);
    }
    .article-missing-icon {
        width: 70px;
        height: 70px;
        border: 2px solid var(--hairline);
        border-radius: 50%;
        margin: 0 auto 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--secondary-green);
        font-size: 29px;
        font-weight: 400;
        background: var(--page-bg);
    }
    .article-missing-wrap h2 {
        font-size: 26px;
        margin-bottom: 10px;
        color: var(--primary-green);
    }
    .article-missing-wrap p {
        color: var(--muted);
        font-size: 15px;
        margin-bottom: 24px;
    }
    .btn-back-home {
        display: inline-block;
        background: var(--primary-green);
        color: #fff;
        border-radius: 999px;
        padding: 13px 26px;
        font-size: 15px;
        font-weight: 600;
        transition: background .15s ease, transform .15s ease;
    }
    .btn-back-home:hover {
        background: var(--secondary-green);
        color: #fff;
        transform: translateY(-1px);
    }
    /* For no-article / empty fallback */
    .article-empty-only {
        display: block;
        padding: 20px 32px 50px;
    }
    @media (max-width: 1080px) {
        .article-body-wrap {
            grid-template-columns: minmax(0, 1fr);
        }
        .article-side {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .side-card {
            position: static;
        }
        .related-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .article-main {
            padding: 34px;
        }
    }
    @media (max-width: 840px) {
        .site-header {
            padding: 0;
            background: rgba(255, 255, 255, 0.76);
            backdrop-filter: blur(16px);
        }
        .nav-dock {
            width: 100%;
            max-width: none;
            border-radius: 0 0 20px 20px;
            height: 60px;
            padding: 0 14px 0 20px;
            background: rgba(255, 255, 255, 0.86);
        }
        .desktop-nav,
        .header-cta {
            display: none;
        }
        .brand-mark .play-badge {
            width: 30px;
            height: 30px;
            font-size: 14px;
        }
        .menu-toggle {
            display: inline-flex;
        }
        .mobile-menu {
            display: flex;
            flex-direction: column;
            position: fixed;
            inset: 80px 16px auto;
            z-index: 140;
            background: #fff;
            border-radius: 20px;
            box-shadow: var(--shadow-hover);
            padding: 16px 12px;
            gap: 2px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
        }
        .mobile-menu .nav-link {
            font-size: 16px;
            padding: 12px 14px;
            border-radius: 12px;
            color: var(--ink-green);
        }
        .mobile-menu .nav-link.active {
            background: rgba(11, 79, 60, 0.06);
        }
        .menu-check:checked ~ * .mobile-menu,
        .menu-check:checked ~ .mobile-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        body:has(.menu-check:checked) {
            overflow: hidden;
        }
        .article-title {
            font-size: 32px;
            line-height: 1.3;
        }
        .article-hero {
            padding-top: 32px;
        }
        .article-main {
            border-radius: 18px;
            padding: 26px 20px;
        }
        .article-body-wrap {
            padding-top: 0;
        }
        .article-meta-row {
            gap: 10px;
            font-size: 13px;
        }
        .article-editor {
            font-size: 16px;
            line-height: 1.9;
        }
        .article-editor h2 {
            font-size: 21px;
            padding-left: 12px;
        }
        .article-summary {
            padding: 16px;
            font-size: 14px;
        }
        .article-related {
            padding: 30px 20px;
            overflow: hidden;
        }
        .related-grid {
            grid-template-columns: 1fr;
        }
        .article-side {
            grid-template-columns: 1fr;
        }
        .footer-top {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .footer-brand-footer {
            grid-column: 1 / -1;
        }
    }
    @media (max-width: 520px) {
        .container {
            width: min(100% - 28px, 1200px);
        }
        .footer-top {
            grid-template-columns: 1fr;
        }
        .footer-bottom {
            flex-direction: column;
        }
        .footer-console-box button {
            padding: 0 16px;
            font-size: 13px;
        }
        .articel-body-wrap {
            padding-top: 0;
        }
        .article-editor {
            font-size: 15px;
            line-height: 1.9;
        }
        .article-title {
            font-size: 27px;
        }
        .breadcrumb-row {
            font-size: 13px;
        }
        .article-hero {
            padding-top: 26px;
        }
        .article-main {
            padding: 20px 16px 24px;
        }
        .article-summary {
            margin: 8px -4px 30px;
            font-size: 14px;
        }
        .article-related {
            padding: 24px 18px;
        }
        .related-grid {
            grid-template-columns: 1fr;
        }
        .article-actions-bottom {
            flex-direction: column;
            justify-content: flex-start;
            align-items: flex-start;
        }
    }

/* roulang page: category1 */
:root {
  --primary: #0B4F3C;
  --primary-2: #136B54;
  --lime: #D7FF3E;
  --page-bg: #F4F7F0;
  --card: #FFFFFF;
  --ink: #14231D;
  --muted: #506158;
  --line: #DCE4DC;
  --dark: #082418;
  --coral: #FF6B50;
  --radius-card: 16px;
  --radius-media: 24px;
  --shadow: 0 8px 24px rgba(10, 45, 32, 0.06);
  --shadow-hover: 0 14px 32px rgba(10, 45, 32, 0.14);
  --font: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", system-ui, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  background: var(--page-bg);
  scroll-behavior: auto;
}
body {
  font-family: var(--font);
  background: var(--page-bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--primary-2);
}
button,
input {
  font-family: inherit;
  border: none;
  background: none;
  outline: none;
}
.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}
::selection {
  background: var(--lime);
  color: var(--dark);
}
h1, h2, h3, h4 {
  line-height: 1.3;
  letter-spacing: 0.01em;
}
h2 {
  font-size: 26px;
  font-weight: 800;
}
h3 {
  font-size: 18px;
  font-weight: 700;
}
.section {
  padding: 72px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}
.section-head p {
  color: var(--muted);
  max-width: 540px;
  font-size: 14px;
}

/* header dock */
.site-header {
  position: sticky;
  top: 12px;
  z-index: 80;
  display: flex;
  justify-content: center;
  padding: 0 12px;
  pointer-events: none;
}
.nav-dock {
  pointer-events: auto;
  width: min(1120px, 92vw);
  height: 68px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(165, 180, 170, 0.5);
  border-radius: 40px;
  box-shadow: 0 12px 32px rgba(10, 45, 32, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 0 22px;
  transition: box-shadow 0.2s ease;
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  flex-shrink: 0;
}
.brand-mark:hover {
  color: var(--ink);
}
.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1px;
  box-shadow: inset 0 0 0 1px rgba(215, 255, 62, 0.5);
}
.brand-logo i {
  font-style: normal;
  color: var(--lime);
  font-weight: 800;
  font-size: 15px;
}
.brand-name {
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: 30px;
}
.main-nav .nav-link {
  position: relative;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  padding: 8px 2px;
}
.main-nav .nav-link:hover {
  color: var(--primary);
}
.main-nav .nav-link.active {
  color: var(--primary);
}
.main-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 99px;
  background: var(--lime);
  box-shadow: 0 0 0 1px rgba(11, 79, 60, 0.1);
}
.nav-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}
.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 99px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--page-bg);
  color: var(--primary);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}
.icon-btn:hover {
  background: #e8eee4;
}
.icon-btn:active {
  transform: scale(0.96);
}
.icon-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
}
.menu-toggle {
  display: none;
}
.brand-accent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 99px;
  background: var(--lime);
  color: var(--dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* hero */
.hero {
  position: relative;
  padding: 60px 0 100px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(112deg, rgba(4, 25, 18, 0.87) 0%, rgba(8, 36, 24, 0.72) 68%, rgba(9, 48, 32, 0.52) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-bg::after {
  content: "";
  position: absolute;
  top: 20px;
  right: 30px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(215, 255, 62, 0.16), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  color: #fff;
}
.hero-copy .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(215, 255, 62, 0.3);
  color: var(--lime);
  font-size: 13px;
  font-weight: 600;
}
.hero-copy h1 {
  margin: 22px 0 18px;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  letter-spacing: 0.01em;
}
.hero-copy h1 em {
  font-style: normal;
  color: var(--lime);
}
.hero-copy .lead {
  font-size: 15px;
  color: rgba(244, 247, 240, 0.82);
  max-width: 540px;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border 0.18s ease;
}
.btn-lime {
  background: var(--lime);
  color: #0d2c20;
}
.btn-lime:hover {
  color: #0d2c20;
  transform: translate(-2px, -2px);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.2);
}
.btn-lime:active {
  transform: scale(0.98);
}
.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: #fff;
}
.btn-outline:hover {
  border-color: rgba(215, 255, 62, 0.65);
  background: rgba(215, 255, 62, 0.08);
  color: var(--lime);
  transform: translateY(-1px);
}
.hero-panel {
  background: rgba(4, 21, 15, 0.72);
  border: 1px solid rgba(215, 255, 62, 0.18);
  border-radius: 28px;
  padding: 24px 22px;
  backdrop-filter: blur(10px);
  box-shadow: 18px 22px 60px rgba(0, 0, 0, 0.28);
  transform: translateY(0);
  animation: floatIn 0.5s ease;
}
.hero-panel-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chip-lime {
  background: var(--lime);
  color: #0a2f22;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 9px;
  line-height: 1.4;
}
.hero-panel-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 16px;
}
.url-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.1);
  padding: 9px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.url-dot {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--lime);
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(215, 255, 62, 0.15);
}
.url-row span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}
.checkline-list {
  margin-top: 18px;
  list-style: none;
  display: grid;
  gap: 11px;
}
.checkline-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
}
.checkline-list svg {
  width: 17px;
  height: 17px;
  color: var(--lime);
  flex-shrink: 0;
  margin-top: 3px;
}
.hero-metrics {
  display: flex;
  margin-top: 24px;
  gap: 28px;
  color: rgba(255, 255, 255, 0.88);
}
.hero-metrics b {
  font-size: 20px;
  color: var(--lime);
  font-weight: 800;
  display: block;
  line-height: 1.2;
}
.hero-metrics span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
}

@keyframes floatIn {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(14px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* breadcrumb */
.breadcrumbs {
  position: relative;
  z-index: 2;
  padding: 14px 0 0;
}
.breadcrumbs .crumb-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}
.breadcrumbs a {
  color: var(--muted);
}
.breadcrumbs a:hover {
  color: var(--primary);
}
.crumb-sep {
  opacity: 0.5;
}

/* body layout */
.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
}
.guide-main {
  min-width: 0;
}

/* badge / tag */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 14px;
  border-radius: 999px;
  background: #eaf0e6;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(19, 107, 84, 0.14);
}
.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(215, 255, 62, 0.4);
}

/* content blocks */
.guide-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 30px;
  box-shadow: var(--shadow);
  margin-top: 24px;
}
.guide-block:first-child {
  margin-top: 0;
}
.block-intro {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}
.block-index {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--lime);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}
.block-intro h3 {
  font-size: 21px;
  font-weight: 800;
  margin-bottom: 4px;
}
.block-intro p {
  color: var(--muted);
  font-size: 14px;
}
.list-split {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
.list-split li {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
}
.list-split li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(11, 79, 60, 0.06);
}
.list-split b {
  color: var(--ink);
  font-weight: 600;
}

/* step list */
.step-list {
  list-style: none;
  display: grid;
  gap: 0;
  margin-top: 18px;
  counter-reset: step;
}
.step-list li {
  counter-increment: step;
  position: relative;
  padding: 0 0 24px 46px;
}
.step-list li:not(:last-child) {
  border-left: 1px solid var(--line);
  margin-left: 15px;
}
.step-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 31px;
  height: 31px;
  border-radius: 99px;
  background: var(--page-bg);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  transform: translateX(-15px);
}
.step-list li::after {
  content: "";
  position: absolute;
  left: -3px;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--lime);
}
.step-list h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}
.step-list p {
  color: var(--muted);
  font-size: 14px;
}

/* side card */
.side-col {
  display: grid;
  gap: 22px;
  position: sticky;
  top: 104px;
  align-self: start;
}
.side-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.side-card h3 {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.side-card h3 svg {
  width: 16px;
  height: 16px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.side-toc {
  display: grid;
  list-style: none;
  gap: 6px;
}
.side-toc a {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 14px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}
.side-toc a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 99px;
  background: var(--line);
  flex-shrink: 0;
  transition: background 0.2s ease;
}
.side-toc a:hover {
  background: #f0f4ec;
  color: var(--primary);
  transform: translateX(3px);
}
.side-toc a:hover::before {
  background: var(--lime);
}

.alert-card {
  background: var(--dark);
  border: 1px solid rgba(215, 255, 62, 0.2);
}
.alert-card h3 {
  color: var(--lime);
  border-bottom-color: rgba(215, 255, 62, 0.22);
}
.alert-card p {
  color: rgba(244, 247, 240, 0.78);
  font-size: 14px;
  margin-bottom: 12px;
}
.alert-card .alert-tip {
  background: rgba(215, 255, 62, 0.12);
  border-radius: 15px;
  padding: 14px 16px;
  color: var(--lime);
  font-weight: 600;
}

/* image block */
.media-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  align-items: center;
  background: #edf2e9;
  border-radius: 18px;
  overflow: hidden;
  margin-top: 18px;
}
.media-row img {
  width: 100%;
  height: 132px;
  object-fit: cover;
}
.media-content {
  padding: 10px 16px 10px 0;
}
.media-content b {
  display: block;
  color: var(--ink);
  margin-bottom: 5px;
}
.media-content p {
  font-size: 14px;
  color: var(--muted);
}

/* inline table-like structure */
.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}
.spec-cell {
  background: var(--page-bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}
.spec-cell b {
  font-size: 14px;
  display: block;
  margin-bottom: 7px;
}
.spec-cell b::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--lime);
  margin-right: 8px;
  vertical-align: 1px;
}
.spec-cell span {
  font-size: 13px;
  color: var(--muted);
  display: block;
  padding-left: 16px;
}

/* quote */
.quote-block {
  margin-top: 22px;
  padding: 18px 20px 18px 24px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f0f6ec, #e6efe0);
  border-left: 3px solid var(--primary);
}
.quote-block p {
  font-size: 15px;
  font-weight: 500;
}
.quote-block small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 10px;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: box-shadow 0.25s ease;
}
.faq-item.active {
  box-shadow: 0 8px 24px rgba(10, 45, 32, 0.08);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  cursor: pointer;
  text-align: left;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  gap: 12px;
}
.faq-q .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 99px;
  background: var(--page-bg);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, background 0.25s ease;
}
.faq-q .faq-icon svg {
  width: 13px;
  height: 13px;
  fill: none;
  stroke: var(--primary);
  stroke-width: 3;
  stroke-linecap: round;
}
.faq-item.active .faq-q .faq-icon {
  transform: rotate(45deg);
  background: var(--lime);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-a-inner {
  padding: 0 22px 20px 22px;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px dashed var(--line);
}
.faq-a-inner {
  padding-top: 14px;
}
.faq-item.active .faq-a {
  max-height: 500px;
}

/* cta */
.cta-section {
  background: var(--dark);
  background-image: linear-gradient(115deg, rgba(9, 50, 34, 0.92), rgba(8, 36, 24, 0.4)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 82px 0;
  position: relative;
  overflow: hidden;
}
.cta-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
}
.cta-dark-title {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
  margin-bottom: 11px;
}
.cta-dark-desc {
  color: rgba(255, 255, 255, 0.65);
  font-size: 15px;
  max-width: 520px;
  margin-bottom: 22px;
}
.cta-inner .btn-lime {
  background: var(--lime);
  color: #10281e;
}
.cta-inner .btn-lime:hover {
  color: #10281e;
}
.cta-note {
  color: rgba(215, 255, 62, 0.55);
  font-size: 12px;
  margin-top: 11px;
}
.cta-card-panel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  padding: 26px;
  color: #fff;
  min-height: 220px;
}
.cta-card-panel h4 {
  color: var(--lime);
  font-size: 16px;
  margin-bottom: 14px;
}
.cta-card-panel li {
  display: flex;
  gap: 8px;
  font-size: 14px;
  padding: 7px 0;
  color: rgba(255, 255, 255, 0.78);
  list-style: none;
}
.cta-card-panel svg {
  width: 16px;
  height: 16px;
  stroke: var(--lime);
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
  margin-top: 5px;
}

/* footer */
.site-footer {
  background: var(--dark);
  color: rgba(240, 247, 235, 0.66);
  padding: 62px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1.1fr 1.3fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand-footer .brand-mark {
  color: #fff;
}
.footer-brand-footer .brand-name {
  color: #fff;
}
.footer-desc {
  font-size: 13px;
  color: rgba(240, 247, 235, 0.5);
  margin-top: 14px;
  line-height: 1.8;
}
.footer-nav-group h3,
.footer-console h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-nav-group a {
  display: block;
  padding: 5px 0;
  color: rgba(240, 247, 235, 0.55);
  font-size: 14px;
}
.footer-nav-group a:hover {
  color: var(--lime);
}
.footer-nav-group a.active {
  color: var(--lime);
}
.footer-console-box {
  display: flex;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 99px;
  padding: 3px;
  background: rgba(255, 255, 255, 0.04);
  max-width: 340px;
}
.footer-console-box input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  padding: 0 16px;
  color: #fff;
  font-size: 13px;
}
.footer-console-box input::placeholder {
  color: rgba(240, 247, 235, 0.35);
}
.footer-console-box button {
  border-radius: 99px;
  padding: 0 18px;
  background: var(--lime);
  color: #10281e;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: filter 0.2s ease;
}
.footer-console-box button:hover {
  filter: brightness(1.08);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 24px 0;
  flex-wrap: wrap;
  color: rgba(240, 247, 235, 0.42);
  font-size: 13px;
}
.footer-bottom a {
  color: rgba(240, 247, 235, 0.5);
  margin-left: 14px;
  font-size: 13px;
}
.footer-bottom a:hover {
  color: var(--lime);
}
.footer-bottom .icp-slot {
  margin-left: 13px;
  font-size: 12px;
  border-left: 1px solid rgba(240, 247, 235, 0.2);
  padding-left: 13px;
}

/* search overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 30, 21, 0.46);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}
.search-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.search-modal {
  margin-top: 9vh;
  background: #fff;
  border-radius: 28px;
  width: min(600px, 90vw);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
  padding: 26px 26px 20px;
  transform: translateY(-10px) scale(0.98);
  transition: transform 0.24s ease;
}
.search-overlay.open .search-modal {
  transform: translateY(0) scale(1);
}
.search-close-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.search-close-row h4 {
  font-size: 16px;
}
.search-close-row button {
  font-size: 22px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  color: var(--muted);
  border-radius: 99px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}
.search-close-row button:hover {
  background: var(--page-bg);
  color: var(--ink);
}
.search-modal input {
  width: 100%;
  height: 46px;
  background: #f3f6ef;
  border-radius: 12px;
  padding: 0 16px;
  color: var(--ink);
  border: 1px solid transparent;
  transition: border 0.18s ease;
}
.search-modal input:focus {
  border: 1px solid var(--primary);
  box-shadow: 0 0 0 3px rgba(19, 107, 84, 0.12);
  background: #fff;
}
.hot-search {
  margin-top: 17px;
}
.hot-search span {
  color: var(--muted);
  font-size: 12px;
  display: block;
  margin-bottom: 10px;
}
.hot-search .tag-row {
  margin: 0;
}

/* mobile drawer menu */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 210;
  background: rgba(8, 30, 21, 0.4);
  backdrop-filter: blur(5px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease;
}
.mobile-drawer.open {
  opacity: 1;
  pointer-events: auto;
}
.drawer-panel {
  width: min(420px, 84vw);
  height: 100vh;
  background: #fff;
  border-radius: 0 0 0 22px;
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  transform: translateX(-90px);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
}
.mobile-drawer.open .drawer-panel {
  transform: translateX(0);
  opacity: 1;
}
.drawer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}
.drawer-content {
  display: grid;
  gap: 2px;
}
.drawer-content a {
  display: block;
  padding: 15px 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid #edf1e9;
}
.drawer-content a.active {
  color: var(--primary);
}

/* utility */
.scroll-fade {
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.6s ease forwards;
}
.delay-1 {
  animation-delay: 0.15s;
}
.delay-2 {
  animation-delay: 0.28s;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 1024px) {
  .hero-copy h1 {
    font-size: 36px;
  }
  .guide-layout {
    grid-template-columns: 1fr;
  }
  .side-col {
    position: static;
    grid-template-columns: 1fr 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .footer-desc {
    max-width: 90%;
  }
}

@media (max-width: 860px) {
  .section {
    padding: 56px 0;
  }
  .nav-dock {
    height: 56px;
    border-radius: 18px;
  }
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .nav-search {
    display: flex;
  }
  .hero {
    padding: 40px 0 76px;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero-copy h1 {
    font-size: 33px;
  }
  .hero-panel {
    max-width: 500px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: sticky;
    top: 0;
  }
  .nav-dock {
    width: calc(100vw - 16px);
    padding: 0 10px 0 14px;
    border-radius: 18px;
  }
  .brand-logo {
    width: 36px;
    height: 36px;
  }
  .brand-name {
    font-size: 15px;
  }
  .hero {
    padding-top: 28px;
  }
  .hero-copy h1 {
    font-size: 28px;
  }
  .hero-copy .lead {
    font-size: 14px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
  .section-head {
    flex-direction: column;
  }
  .section-head p {
    font-size: 13px;
  }
  .guide-block {
    padding: 20px;
  }
  .block-intro h3 {
    font-size: 18px;
  }
  .hero-metrics {
    gap: 18px;
  }
  .hero-metrics b {
    font-size: 17px;
  }
  .media-row {
    grid-template-columns: 1fr;
  }
  .media-row img {
    height: 170px;
  }
  .media-content {
    padding: 0 15px 14px;
  }
  .spec-grid {
    grid-template-columns: 1fr;
  }
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .cta-dark-title {
    font-size: 23px;
  }
  .cta-card-panel {
    min-height: 0;
    padding: 20px;
  }
  .side-col {
    grid-template-columns: 1fr;
  }
  .footer-console-box {
    max-width: 100%;
  }
}

/* roulang page: category3 */
:root {
  --primary: #0B4F3C;
  --secondary: #136B54;
  --acid: #D7FF3E;
  --page-bg: #F4F7F0;
  --card: #FFFFFF;
  --ink: #14231D;
  --muted: #506158;
  --hairline: #DCE4DC;
  --dark: #082418;
  --coral: #FF6B50;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --shadow: 0 8px 24px rgba(10, 45, 32, 0.06);
  --shadow-hover: 0 14px 32px rgba(10, 45, 32, 0.14);
  --space: 24px;
  --font: "HarmonyOS Sans SC", "PingFang SC", "MiSans", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --transition: all .15s ease;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--page-bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
  width: 100%;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; outline: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 800; letter-spacing: .02em; }
p { margin: 0; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Navigation Dock */
.site-header {
  padding: 16px 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-dock {
  max-width: 1120px;
  height: 68px;
  margin: 0 auto;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  box-shadow: 0 12px 32px rgba(10, 45, 32, .08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 20px;
  transition: box-shadow .18s ease;
}
.header-dock.scrolled { box-shadow: 0 16px 36px rgba(10, 45, 32, .12); }
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo {
  display: inline-flex;
  border-radius: 12px;
  background: var(--primary);
  color: var(--acid);
  overflow: hidden;
  line-height: 1;
}
.brand-logo i { font-style: normal; display: block; font-size: 18px; font-weight: 800; padding: 6px 4px 4px; }
.brand-logo i:last-child { background: var(--acid); color: var(--primary); }
.brand-name { font-size: 20px; font-weight: 800; color: var(--primary); letter-spacing: .02em; white-space: nowrap; }
.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.nav-link {
  position: relative;
  padding: 12px 15px;
  font-size: 14px;
  font-weight: 600;
  color: #31433B;
  border-radius: 999px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary); background: rgba(11, 79, 60, .06); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 3px rgba(215, 255, 62, .35);
  transform: translateX(-50%);
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.icon-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--primary);
  transition: var(--transition);
}
.icon-btn:hover { background: rgba(11, 79, 60, .08); }
.icon-btn:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--acid);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}
.header-cta:hover { filter: brightness(.92); transform: translateY(-1px); }

/* Search overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 36, 24, .62);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 18vh 20px 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  z-index: 300;
}
.search-overlay.open { opacity: 1; pointer-events: auto; }
.search-panel { width: min(560px, 92vw); }
.search-panel form { display: flex; gap: 10px; }
.search-panel input {
  flex: 1;
  height: 56px;
  border: 1px solid rgba(255, 255, 255, .4);
  border-radius: 999px;
  background: rgba(255, 255, 255, .92);
  padding: 0 22px;
  font-size: 15px;
  color: var(--ink);
}
.search-panel input:focus { border-color: var(--acid); box-shadow: 0 0 0 4px rgba(215, 255, 62, .25); }
.search-panel button {
  height: 56px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--acid);
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
}
.search-hot { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 10px; }
.search-hot span { width: 100%; color: rgba(255, 255, 255, .7); font-size: 13px; }
.search-hot a {
  display: inline-block;
  padding: 7px 14px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  transition: var(--transition);
}
.search-hot a:hover { background: var(--acid); color: var(--primary); }

/* Mobile toggle */
.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; color: var(--primary); border-radius: 999px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition: var(--transition);
  text-align: center;
}
.btn-primary { background: var(--acid); color: var(--primary); box-shadow: 0 8px 24px rgba(11, 79, 60, .2); }
.btn-primary:hover { transform: translate(-2px, -2px); box-shadow: 0 12px 30px rgba(11, 79, 60, .28); filter: brightness(.93); }
.btn-primary:active, .btn-primary:focus { outline: 2px solid var(--secondary); outline-offset: 3px; transform: scale(.98); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .35); color: #ffffff; }
.btn-ghost:hover { border-color: var(--acid); color: var(--acid); background: rgba(215, 255, 62, .06); }
.btn-ghost:focus { outline: 2px solid var(--acid); outline-offset: 3px; }
.btn-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  background: rgba(11, 79, 60, .08);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-inline:hover { background: var(--primary); color: #fff; }
.btn-inline:hover svg { transform: translateX(3px); }
.btn-inline svg { transition: var(--transition); }

/* Hero */
.page-hero {
  position: relative;
  color: #fff;
  border-radius: 28px;
  margin-top: 28px;
  overflow: hidden;
  background: var(--primary);
  box-shadow: var(--shadow);
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center 30%;
  opacity: .3;
  mix-blend-mode: screen;
}
.page-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 40px;
  align-items: center;
  padding: 56px 52px 64px;
  overflow: hidden;
}
.page-hero-inner::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -130px;
  bottom: -180px;
  background: radial-gradient(circle, rgba(215, 255, 62, .25) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px 7px 10px;
  background: rgba(215, 255, 62, .15);
  border: 1px solid rgba(215, 255, 62, .55);
  border-radius: 999px;
  color: var(--acid);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
}
.hero-kicker .dot { width: 6px; height: 6px; background: var(--acid); border-radius: 50%; box-shadow: 0 0 0 5px rgba(215, 255, 62, .2); }
.page-hero h1 { font-size: clamp(30px, 4vw, 42px); max-width: 760px; letter-spacing: .01em; }
.page-hero h1 em { font-style: normal; color: var(--acid); }
.hero-desc { margin-top: 18px; font-size: 16px; line-height: 1.9; color: rgba(255, 255, 255, .82); max-width: 625px; }
.hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 14px; }

/* Hero map card */
.hero-map {
  position: relative;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 24px;
  padding: 22px;
  backdrop-filter: blur(4px);
}
.hero-map-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.hero-map-head span { font-size: 14px; font-weight: 700; color: rgba(255, 255, 255, .9); }
.hero-map-head small { color: var(--acid); font-size: 12px; font-weight: 600; }
.map-steps { position: relative; display: flex; flex-direction: column; gap: 2px; }
.map-steps::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 32px;
  bottom: 32px;
  width: 1px;
  border-left: 1px dashed rgba(215, 255, 62, .6);
}
.map-step {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 11px 0;
}
.map-step .round {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(215, 255, 62, .16);
  border: 1px solid rgba(215, 255, 62, .55);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--acid);
  font-weight: 800;
  font-size: 14px;
}
.map-step.done .round { background: var(--acid); color: var(--primary); border-color: var(--acid); }
.map-step-info strong { display: block; color: #fff; font-size: 15px; font-weight: 700; }
.map-step-info p { color: rgba(255, 255, 255, .58); font-size: 13px; margin-top: 2px; line-height: 1.6; }
.hero-map-foot {
  margin-top: 16px;
  padding: 12px 14px;
  background: rgba(215, 255, 62, .1);
  border-radius: 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, .75);
}
.hero-map-foot strong { color: var(--acid); font-weight: 700; }

/* Breadcrumb */
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; font-size: 13px; color: rgba(255, 255, 255, .6); flex-wrap: wrap; }
.breadcrumb a { color: rgba(255, 255, 255, .6); }
.breadcrumb a:hover { color: var(--acid); }
.breadcrumb span { opacity: .5; }

/* Section */
.section { padding: 82px 0 20px; }
.section-head { max-width: 780px; margin-bottom: 40px; }
.section-head h2 { font-size: 26px; color: var(--primary); line-height: 1.4; }
.section-head h2 em { font-style: normal; color: var(--secondary); }
.section-head p { color: var(--muted); margin-top: 10px; font-size: 15px; }
.section-index { display: flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; color: var(--secondary); margin-bottom: 12px; }
.section-index .line { width: 32px; height: 2px; background: var(--acid); display: inline-block; border-radius: 999px; }

/* FAQ guide layout */
.guide-layout {
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}
.rail-sticky { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 20px; }
.rail-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.rail-card.dark { background: var(--dark); color: #fff; border-color: transparent; }
.rail-card h3 { font-size: 16px; margin-bottom: 16px; color: var(--primary); }
.rail-card.dark h3 { color: var(--acid); }
.rail-card a {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  padding: 9px 0;
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.5;
  border-bottom: 1px solid #eef2ec;
  transition: var(--transition);
}
.rail-card a:last-child { border-bottom: zero; }
.rail-card a:hover { padding-left: 6px; color: var(--primary); }
.rail-card a small { font-size: 13px; color: var(--primary); font-weight: 700; }
.rail-card a span { color: var(--muted); }
.rail-card.dark a { color: rgba(255, 255, 255, .72); border-color: rgba(255, 255, 255, .1); }
.rail-card.dark a:hover { color: var(--acid); }
.rail-card.dark a span { color: rgba(255, 255, 255, .5); }
.rail-note { margin-top: 8px; font-size: 12px; color: rgba(255, 255, 255, .5); line-height: 1.6; }

/* Guide item */
.guide-item-list { display: flex; flex-direction: column; gap: 18px; }
.guide-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.guide-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 5px;
  background: var(--acid);
  opacity: .9;
}
.guide-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.guide-card-top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.guide-idx { font-family: "DIN Alternate", "Bahnschrift", sans-serif; font-size: 15px; font-weight: 700; color: var(--primary); letter-spacing: 1px; }
.guide-tag { display: inline-flex; padding: 5px 12px; border-radius: 999px; background: rgba(11, 79, 60, .07); font-size: 13px; font-weight: 600; color: var(--primary); }
.guide-card h3 { font-size: 20px; color: var(--ink); margin-bottom: 8px; }
.guide-card .guide-sum { color: var(--muted); font-size: 15px; margin-bottom: 16px; }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; }
.check-list li { font-size: 14px; color: var(--primary); display: flex; gap: 8px; line-height: 1.6; }
.check-list li svg { flex-shrink: 0; margin-top: 7px; }

/* Watch flow different row layout */
.watch-flow-section { padding: 72px 0 0; }
.flow-split { display: flex; flex-direction: column; gap: 18px; }
.flow-row {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 18px;
  display: flex;
  gap: 22px;
  align-items: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.flow-row:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.flow-media { width: 210px; flex-shrink: 0; border-radius: 14px; overflow: hidden; height: 128px; background: #e9eee7; }
.flow-media img { width: 100%; height: 100%; object-fit: cover; }
.flow-body { flex: 1; min-width: 0; }
.flow-body .guide-tag { margin-bottom: 4px; }
.flow-body h3 { font-size: 18px; color: var(--primary); margin: 4px 0 6px; }
.flow-body p { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.flow-body ul { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.flow-body ul li { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.flow-body ul li i { width: 5px; height: 5px; border-radius: 50%; background: var(--coral); display: block; }
.flow-body ul li:nth-child(2) i { background: var(--secondary); }
.flow-body ul li:nth-child(3) i { background: var(--acid); box-shadow: 0 0 0 1px var(--primary); }

/* FAQ drop */
.faq-section { padding: 72px 0 0; }
.faq-wrap { max-width: 920px; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 0;
  margin-bottom: 14px;
  transition: var(--transition);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-item[open] { border-color: rgba(19, 107, 84, .4); box-shadow: var(--shadow-hover); }
.faq-item summary {
  display: flex;
  align-items: center;
  gap: 18px;
  cursor: pointer;
  padding: 22px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary); }
.faq-item .faq-btn {
  margin-left: auto;
  color: var(--secondary);
  transition: transform .2s ease;
  flex-shrink: 0;
}
.faq-item[open] .faq-btn { transform: rotate(135deg); }
.faq-item .faq-no { flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; background: rgba(11, 79, 60, .08); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; }
.faq-answer { padding: 0 25px 22px 74px; color: var(--muted); }
.faq-answer a { color: var(--secondary); font-weight: 600; }
.faq-answer a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* CTA */
.cta-panel {
  position: relative;
  margin: 76px auto 0;
  max-width: 1200px;
  border-radius: 24px;
  overflow: hidden;
  background: var(--dark);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  padding: 44px 48px;
}
.cta-panel::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(215, 255, 62, .14) 0%, transparent 65%);
  top: -240px;
  right: -80px;
  pointer-events: none;
}
.cta-panel .cta-copy { position: relative; z-index: 2; }
.cta-panel h2 { font-size: 26px; line-height: 1.5; }
.cta-panel h2 em { color: var(--acid); font-style: normal; }
.cta-panel p { color: rgba(255, 255, 255, .72); margin-top: 8px; font-size: 14px; max-width: 620px; }
.cta-btns { display: flex; flex-wrap: wrap; gap: 12px; position: relative; z-index: 2; flex-shrink: 0; }
.cta-simple {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-top: 70px;
  position: relative;
  border-radius: 20px;
  padding: 34px;
  background: linear-gradient(115deg, rgba(11,79,60,.08), rgba(215,255,62,.15));
  border: 1px solid #dbe7d8;
}
.cta-simple h2 { color: var(--primary); font-size: 22px; }
.cta-simple p { color: var(--muted); font-size: 14px; }

/* Footer */
.site-footer {
  margin-top: 76px;
  background: var(--dark);
  color: rgba(255, 255, 255, .68);
  padding: 54px 0 30px;
  border-radius: 28px 28px 0 0;
}
.site-footer .container { max-width: 1200px; }
.footer-top {
  display: grid;
  grid-template-columns: 1.1fr .7fr .8fr;
  gap: 40px;
}
.footer-brand-footer .brand-mark { color: #fff; margin-bottom: 15px; }
.footer-brand-footer .brand-mark .brand-name { color: #fff; }
.footer-desc { font-size: 14px; line-height: 1.9; color: rgba(255, 255, 255, .5); max-width: 340px; }
.footer-nav-group h3, .footer-console h3 { font-size: 15px; color: #fff; margin-bottom: 16px; }
.footer-nav-group a { display: block; padding: 6px 0; font-size: 14px; color: rgba(255, 255, 255, .58); transition: var(--transition); }
.footer-nav-group a:hover, .footer-nav-group a.active { color: var(--acid); }
.footer-console-box { display: flex; gap: 8px; }
.footer-console-box input {
  flex: 1;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  color: #fff;
  padding: 0 16px;
  font-size: 13px;
}
.footer-console-box input:focus { border-color: var(--acid); box-shadow: 0 0 0 4px rgba(215, 255, 62, .14); color: #fff; }
.footer-console-box input::placeholder { color: rgba(255, 255, 255, .35); }
.footer-console-box button { height: 42px; padding: 0 16px; border-radius: 999px; background: var(--acid); color: var(--primary); font-size: 14px; font-weight: 700; transition: var(--transition); }
.footer-console-box button:hover { filter: brightness(.9); }
.footer-bottom {
  margin-top: 42px;
  padding-top: 23px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
  flex-wrap: wrap;
}
.footer-bottom .icp-slot { margin-left: 12px; font-size: 12px; padding: 3px 10px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; }
.footer-bottom a { color: rgba(255, 255, 255, .45); margin-left: 18px; transition: var(--transition); }
.footer-bottom a:hover { color: var(--acid); }

/* Scrollbar hide */
.hide-scroll { scrollbar-width: none; -ms-overflow-style: none; }
.hide-scroll::-webkit-scrollbar { display: none; }

@media (max-width: 1024px) {
  .page-hero-inner { grid-template-columns: 1fr; padding: 42px 32px; }
  .hero-map { max-width: 650px; }
  .guide-layout { grid-template-columns: 1fr; }
  .rail-sticky { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .rail-card { width: 100%; }
  .cta-panel { flex-direction: column; align-items: flex-start; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand-footer { grid-column: 1/-1; }
}
@media (max-width: 768px) {
  .site-header { padding: 10px 12px 0; }
  .header-dock { border-radius: 999px; height: 58px; padding: 0 12px; }
  .main-nav { overflow-x: auto; display: flex; }
  .nav-toggle { display: inline-flex; }
  .header-tools .header-cta { display: none; }
  .main-nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    background: rgba(255,255,255,.98);
    border: 1px solid var(--hairline);
    border-radius: 18px;
    box-shadow: var(--shadow-hover);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px;
    overflow: visible;
  }
  .main-nav.open { display: block; }
  .nav-link { display: block; width: 100%; padding: 13px 18px; font-size: 15px; }
  .nav-link.active::after { left: 14px; top: 50%; transform: translateY(-50%); bottom: auto; }
  .header-dock { flex-wrap: nowrap; }
  .page-hero { margin-top: 14px; border-radius: 20px; }
  .section { padding-top: 54px; }
  .guide-card { padding: 22px 18px; }
  .check-list { grid-template-columns: 1fr; }
  .flow-row { flex-direction: column; padding: 16px; }
  .flow-media { width: 100%; height: auto; aspect-ratio: 16/8; }
  .faq-answer { padding: 0 18px 18px 22px; }
  .faq-item summary { padding: 18px 16px; font-size: 15px; gap: 10px; }
  .faq-no { width: 26px; height: 26px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom a { margin-left: 0; margin-right: 14px; }
  .footer-bottom > div:last-child { display: flex; flex-wrap: wrap; }
  .cta-panel { padding: 32px 24px; margin-top: 50px; border-radius: 18px; }
  .page-hero-inner { padding: 32px 22px; }
  .page-hero h1 { font-size: 28px; }
  .container { padding-left: 18px; padding-right: 18px; }
  .rail-sticky { display: flex; flex-direction: column; }
}
@media (max-width: 480px) {
  .hero-actions .btn { width: 100%; }
  .page-hero-inner { padding: 28px 18px; }
  .brand-logo { display: none; }
  .brand-name { font-size: 18px; }
  .guide-card h3 { font-size: 18px; }
  .section-head h2 { font-size: 21px; }
  .cta-simple { padding: 24px; }
  .cta-simple .btn { width: 100%; }
}

/* roulang page: category2 */
:root {
  --primary: #0B4F3C;
  --primary-2: #136B54;
  --acid: #D7FF3E;
  --bg: #F4F7F0;
  --card: #FFFFFF;
  --cream: #FFFBF2;
  --ink: #14231D;
  --muted: #506158;
  --hairline: #DCE4DC;
  --dark: #082418;
  --coral: #FF6B50;
  --shadow-card: 0 8px 24px rgba(10, 45, 32, 0.06);
  --shadow-card-hover: 0 14px 32px rgba(10, 45, 32, 0.14);
  --shadow-header: 0 12px 32px rgba(10, 45, 32, 0.08);
  --font-display: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", sans-serif;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --max-width: 1200px;
  --nav-width: 1120px;
  --sp-section: 96px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 120px;
}

body {
  margin: 0;
  font-family: var(--font-display);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.78;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.header-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
input {
  font-family: inherit;
}

h1,
h2,
h3,
h4,
p,
ul,
figure {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

:focus-visible {
  outline: 3px solid rgba(19, 107, 84, 0.45);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: min(var(--max-width), 92vw);
  margin: 0 auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== Header & Dock Nav ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--nav-width), 92vw);
  height: 68px;
  z-index: 120;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 18px 0 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--hairline);
  border-radius: 40px;
  box-shadow: var(--shadow-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 16px 38px rgba(10, 45, 32, 0.16);
  background: rgba(255, 255, 255, 0.9);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  min-width: max-content;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  width: 50px;
  height: 42px;
  padding: 0 7px;
  background: var(--primary);
  border-radius: 14px;
  color: var(--acid);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.02em;
  box-shadow: inset 0 0 0 1px rgba(215, 255, 62, 0.2), 0 8px 14px rgba(11, 79, 60, 0.25);
}

.brand-logo i {
  font-style: normal;
  line-height: 1;
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 5px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 9px 15px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.nav-link:hover {
  color: var(--ink);
  background: rgba(20, 99, 84, 0.08);
}

.nav-link.active {
  color: var(--ink);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 5px;
  height: 5px;
  margin-left: -3px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 3px rgba(215, 255, 62, 0.35);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.search-trigger,
.m-nav-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(20, 99, 84, 0.08);
  color: var(--primary);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.search-trigger:hover,
.m-nav-trigger:hover {
  background: rgba(20, 99, 84, 0.16);
}

.search-trigger:active,
.m-nav-trigger:active {
  transform: scale(0.96);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  background: var(--acid);
  color: var(--primary);
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 6px 14px rgba(215, 255, 62, 0.2);
  transition: filter 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.header-cta:hover {
  filter: brightness(1.08);
  box-shadow: 0 12px 18px rgba(215, 255, 62, 0.3);
  transform: translateY(-1px);
}

.m-nav-trigger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
}

.m-nav-trigger span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
}

/* ===== Search overlay ===== */
.search-mask {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 36, 24, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.26s ease, visibility 0.26s ease;
  padding: 20px;
}

.search-mask.is-open {
  opacity: 1;
  visibility: visible;
}

.search-modal {
  width: min(620px, 100%);
  background: #fff;
  border-radius: 28px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
  padding: 34px;
  position: relative;
  transform: translateY(12px);
  transition: transform 0.3s ease;
}

.search-mask.is-open .search-modal {
  transform: translateY(0);
}

.search-close {
  position: absolute;
  right: 18px;
  top: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(80, 97, 88, 0.1);
  color: var(--ink);
  cursor: pointer;
}

.search-label {
  display: block;
  font-size: 14px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.search-input {
  width: 100%;
  height: 56px;
  border: 2px solid var(--hairline);
  border-radius: 18px;
  padding: 0 18px;
  font-size: 16px;
  background: var(--cream);
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.search-input:focus {
  outline: none;
  background: #fff;
  border-color: var(--primary-2);
  box-shadow: 0 0 0 5px rgba(19, 107, 84, 0.12);
}

.search-hot {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

.search-hot a {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(19, 107, 84, 0.08);
  font-weight: 600;
  color: var(--primary-2);
}

.search-hot a:hover {
  background: var(--primary);
  color: #fff;
}

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 170px 0 90px;
  background: linear-gradient(140deg, rgba(11, 79, 60, 0.92), rgba(8, 36, 24, 0.86)), url('/assets/images/backpic/back-2.png') center 80% / cover no-repeat;
}

.category-hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -160px;
  top: -160px;
  border-radius: 50%;
  background: var(--acid);
  opacity: 0.12;
  pointer-events: none;
  filter: blur(20px);
}

.category-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.85fr);
  gap: 48px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  background: rgba(215, 255, 62, 0.14);
  border: 1px solid rgba(215, 255, 62, 0.4);
  color: var(--acid);
  font-size: 13px;
  font-weight: 800;
  padding: 7px 14px;
  margin-bottom: 22px;
  letter-spacing: 0.04em;
}

.hero-kicker i {
  font-style: normal;
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 4px rgba(215, 255, 62, 0.22);
}

.category-hero h1 {
  font-size: 44px;
  line-height: 1.26;
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.01em;
  max-width: 700px;
}

.category-hero h1 em {
  font-style: normal;
  color: var(--acid);
}

.hero-desc {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(240, 250, 242, 0.86);
  max-width: 640px;
  margin: 20px 0 28px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.btn-acid,
.btn-ghost,
.btn-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
  transition: filter 0.2s ease, transform 0.18s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-acid {
  background: var(--acid);
  color: var(--primary);
  box-shadow: 0 10px 20px rgba(215, 255, 62, 0.22);
}

.btn-acid:hover {
  filter: brightness(1.08);
  box-shadow: 0 14px 26px rgba(215, 255, 62, 0.32);
  transform: translate(-1px, -1px);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.48);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--ink);
  color: #fff;
}

.btn-dark:hover {
  background: #1e3d2e;
  transform: translateY(-2px);
}

.btn-acid:active,
.btn-ghost:active,
.btn-dark:active {
  transform: scale(0.98);
}

.hero-meta-note {
  display: flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
}

.hero-meta-note svg {
  flex: none;
  opacity: 0.8;
}

.trend-board {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.09);
  border-radius: 28px;
  padding: 26px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.board-head span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 700;
}

.board-head strong {
  font-size: 15px;
  color: var(--acid);
  font-weight: 900;
}

.board-photo {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  margin-top: 22px;
}

.board-photo::after {
  content: "热门内容方向";
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 6px 13px;
  border-radius: 999px;
  background: rgba(8, 36, 24, 0.72);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.board-photo img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.board-rank {
  padding: 20px 0 6px;
}

.board-rank-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 13px;
}

.board-rank-item b {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: rgba(215, 255, 62, 0.18);
  color: var(--acid);
  font-size: 13px;
}

.board-rank-item span {
  flex: 1;
}

.board-rank-item i {
  font-style: normal;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== Trend Strip ===== */
.trend-strip {
  position: relative;
  z-index: 3;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 18px 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: -36px;
}

.trend-stat {
  padding: 10px 4px;
}

.trend-stat b {
  display: block;
  font-size: 28px;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 0.02em;
}

.trend-stat span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
  font-weight: 600;
}

.trend-stat + .trend-stat {
  border-left: 1px solid var(--hairline);
  padding-left: 28px;
}

/* ===== Section spacing ===== */
.section-block {
  padding: var(--sp-section) 0;
}

.section-block.compact {
  padding: 70px 0;
}

.section-head {
  margin-bottom: 28px;
}

.section-head .section-tag {
  display: inline-block;
  border-radius: 999px;
  background: rgba(11, 79, 60, 0.08);
  color: var(--primary-2);
  font-size: 13px;
  font-weight: 800;
  padding: 6px 14px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 30px;
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: 0.01em;
  margin: 0;
}

.section-head p {
  color: var(--muted);
  max-width: 780px;
  margin-top: 12px;
}

/* ===== Viewpoint routes ===== */
.viewpoint-wrap {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 28px;
  padding: 10px 28px;
  box-shadow: var(--shadow-card);
}

.viewpoint-row {
  display: grid;
  grid-template-columns: 120px minmax(160px, 240px) 1fr;
  gap: 24px;
  align-items: center;
  padding: 26px 0;
}

.viewpoint-row + .viewpoint-row {
  border-top: 1px dashed var(--hairline);
}

.vp-index {
  font-size: 15px;
  font-weight: 900;
  color: var(--acid);
  background: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  box-shadow: 0 8px 20px rgba(11, 79, 60, 0.18);
}

.vp-name {
  font-size: 18px;
  font-weight: 900;
  color: var(--ink);
  line-height: 1.4;
}

.vp-name small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  margin-top: 5px;
}

.vp-info {
  color: var(--muted);
  font-size: 14px;
}

.vp-info strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  margin-bottom: 2px;
}

.vp-info span {
  display: block;
}

/* ===== Split guide ===== */
.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 34px;
  align-items: start;
}

.detail-stream {
  min-width: 0;
}

.detail-block {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  padding: 32px 34px;
  margin-bottom: 24px;
}

.detail-block:last-child {
  margin-bottom: 0;
}

.detail-heading {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.detail-heading .sec-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background: var(--primary);
  color: var(--acid);
  font-size: 17px;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(11, 79, 60, 0.18);
}

.detail-heading h2 {
  font-size: 23px;
  line-height: 1.35;
  font-weight: 900;
  margin: 0;
  padding-top: 3px;
}

.detail-heading p {
  color: var(--muted);
  font-size: 13px;
  margin-top: 5px;
}

.detail-copy {
  color: #3f4c46;
  font-size: 15px;
  margin: 16px 0;
}

.detail-copy strong {
  color: var(--primary);
}

.point-list {
  margin: 18px 0;
}

.point-list li {
  position: relative;
  padding: 7px 0 7px 32px;
  color: #4c5b54;
  font-size: 14px;
}

.point-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(19, 107, 84, 0.12);
  color: var(--primary-2);
  font-size: 11px;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.detail-image-box {
  position: relative;
  margin: 22px 0 10px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.detail-image-box img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.detail-image-box figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(8, 36, 24, 0.78);
  color: #fff;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.quote-voice {
  border-left: 4px solid var(--acid);
  background: var(--cream);
  border-radius: 0 18px 18px 0;
  padding: 18px 22px;
  margin: 20px 0;
  font-size: 15px;
  color: #3f4c46;
}

.quote-voice strong {
  color: var(--ink);
}

.block-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 800;
  color: var(--primary-2);
}

.block-label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 4px rgba(215, 255, 62, 0.5);
}

/* ===== Side rail ===== */
.side-rail {
  position: sticky;
  top: 106px;
  display: grid;
  gap: 18px;
}

.rail-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 22px;
}

.rail-card h3 {
  font-size: 16px;
  font-weight: 900;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.rail-card h3::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 4px rgba(215, 255, 62, 0.5);
}

.rail-guide a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.rail-guide a:hover {
  background: rgba(11, 79, 60, 0.08);
  color: var(--primary);
  transform: translateX(2px);
}

.rail-guide a span {
  font-weight: 900;
  color: var(--primary-2);
  font-size: 13px;
}

.heat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 13px;
}

.heat-item .heat-text {
  flex: 1;
  font-size: 13px;
  color: var(--muted);
}

.heat-item b {
  font-size: 14px;
  color: var(--ink);
  font-weight: 900;
  min-width: 34px;
  text-align: right;
}

.progress {
  height: 7px;
  border-radius: 999px;
  background: rgba(80, 97, 88, 0.12);
  overflow: hidden;
}

.progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}

.side-visual {
  padding: 0;
  overflow: hidden;
}

.side-visual img {
  width: 100%;
  height: 130px;
  object-fit: cover;
}

.side-visual .side-meta {
  padding: 14px 18px 16px;
}

.side-visual .side-meta h4 {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.5;
}

.side-visual .side-meta span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.side-tiny-list {
  display: grid;
  gap: 8px;
  margin-top: 6px;
}

.side-tiny-list .side-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(19, 107, 84, 0.08);
  color: var(--primary-2);
  width: max-content;
}

.side-tiny-list .side-tag::before {
  content: "·";
  color: var(--acid);
  font-size: 20px;
  line-height: 0;
  font-weight: 900;
}

/* ===== Feedback strip ===== */
.feedback-band {
  background: var(--dark);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.feedback-band::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(215, 255, 62, 0.4), transparent);
}

.feedback-band .section-head h2 {
  color: #fff;
}

.feedback-band .section-head p {
  color: rgba(255, 255, 255, 0.6);
}

.feedback-scroll {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 4px;
}

.feedback-scroll::-webkit-scrollbar {
  display: none;
}

.feedback-item {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-left: 3px solid var(--acid);
  border-radius: 16px;
  padding: 22px;
  min-height: 150px;
}

.stars {
  color: var(--acid);
  letter-spacing: 2px;
  font-size: 14px;
  margin-bottom: 12px;
}

.feedback-item p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}

.feedback-item .feedback-user {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.feedback-item .feedback-user i {
  font-style: normal;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.8);
}

/* ===== FAQ ===== */
.faq-wrapper {
  padding: var(--sp-section) 0;
  background: linear-gradient(180deg, var(--bg) 0%, #edf3e9 100%);
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.45fr;
  gap: 36px;
  align-items: start;
}

.faq-aside {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.faq-aside .section-tag {
  display: inline-block;
  background: rgba(215, 255, 62, 0.3);
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  padding: 6px 13px;
  margin-bottom: 14px;
}

.faq-aside h2 {
  font-size: 28px;
  line-height: 1.35;
  font-weight: 900;
  margin-bottom: 12px;
}

.faq-aside p {
  color: var(--muted);
  margin-bottom: 18px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  box-shadow: 0 4px 14px rgba(10, 45, 32, 0.04);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.faq-item[open] {
  box-shadow: var(--shadow-card);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
  transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "＋";
  flex: none;
  font-size: 20px;
  color: var(--acid);
  background: var(--primary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-item summary:hover {
  color: var(--primary);
}

.faq-body {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.faq-body strong {
  color: var(--primary);
}

/* ===== CTA ===== */
.cta-console {
  position: relative;
  padding: 20px 0;
  background: transparent;
}

.cta-box {
  background: var(--dark);
  border-radius: 32px;
  padding: 50px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -90px;
  width: 280px;
  height: 280px;
  background: rgba(215, 255, 62, 0.14);
  border-radius: 50%;
  filter: blur(12px);
  pointer-events: none;
}

.cta-box::after {
  content: "";
  position: absolute;
  left: -80px;
  bottom: -140px;
  width: 320px;
  height: 320px;
  background: rgba(19, 107, 84, 0.34);
  border-radius: 50%;
  pointer-events: none;
}

.cta-copy {
  position: relative;
  z-index: 1;
}

.cta-copy span {
  font-size: 13px;
  color: var(--acid);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.cta-copy h2 {
  font-size: 30px;
  line-height: 1.35;
  font-weight: 900;
  margin: 8px 0 10px;
}

.cta-copy p {
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
  max-width: 520px;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  justify-items: start;
}

.cta-actions small {
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: #fff;
  padding: 70px 0 30px;
  margin-top: 96px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(240px, 1.25fr) 0.7fr 1fr;
  gap: 44px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-mark.light .brand-logo {
  background: rgba(215, 255, 62, 0.12);
  border: 1px solid rgba(215, 255, 62, 0.35);
  color: var(--acid);
}

.brand-mark.light .brand-name {
  color: #fff;
}

.footer-desc {
  color: rgba(255, 255, 255, 0.56);
  font-size: 14px;
  max-width: 390px;
  margin-top: 18px;
  line-height: 1.9;
}

.footer-brand-footer {
  padding-right: 12px;
}

.footer-nav-group h3,
.footer-console h3 {
  color: rgba(215, 255, 62, 0.84);
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 14px;
}

.footer-nav-group a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  padding: 6px 0;
  font-size: 14px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-nav-group a:hover {
  color: var(--acid);
  padding-left: 5px;
}

.footer-nav-group a.active {
  color: var(--acid);
}

.footer-console-box {
  display: flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  padding: 8px;
  margin-bottom: 12px;
}

.footer-console-box input {
  flex: 1;
  min-width: 0;
  height: 40px;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 13px;
  padding: 0 8px;
}

.footer-console-box input::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

.footer-console-box input:focus {
  outline: none;
  border: 0;
}

.footer-console-box button {
  height: 40px;
  padding: 0 18px;
  border: 0;
  border-radius: 12px;
  background: var(--acid);
  color: var(--primary);
  font-weight: 800;
  font-size: 13px;
  cursor: pointer;
  transition: filter 0.2s ease;
}

.footer-console-box button:hover {
  filter: brightness(1.08);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 26px;
  color: rgba(255, 255, 255, 0.44);
  font-size: 13px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.56);
  margin-left: 16px;
}

.footer-bottom a:hover {
  color: var(--acid);
}

.icp-slot {
  margin-left: 12px;
  color: rgba(255, 255, 255, 0.3);
}

/* ===== Responsive ===== */
@media (max-width: 1150px) {
  .category-hero-inner {
    grid-template-columns: 1fr 0.85fr;
    gap: 28px;
  }

  .category-hero h1 {
    font-size: 38px;
  }

  .trend-board {
    padding: 18px;
  }

  .board-photo img {
    height: 180px;
  }

  .viewpoint-row {
    grid-template-columns: 70px 190px 1fr;
    gap: 18px;
  }

  .split-layout {
    grid-template-columns: minmax(0, 1fr) 290px;
  }

  .header-cta {
    display: none;
  }
}

@media (max-width: 1024px) {
  .section-block {
    --sp-section: 76px;
  }

  .site-header {
    width: calc(100vw - 28px);
  }

  .main-nav {
    gap: 2px;
  }

  .nav-link {
    padding: 8px 12px;
    font-size: 13px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand-footer {
    grid-column: 1 / -1;
  }

  .split-layout {
    grid-template-columns: 1fr;
  }

  .side-rail {
    position: static;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .site-header {
    width: 100%;
    top: 0;
    left: 0;
    transform: none;
    border-radius: 0;
    height: 56px;
    padding: 0 16px;
    border-left: 0;
    border-right: 0;
    border-top: 0;
  }

  .brand-logo {
    width: 40px;
    height: 34px;
    font-size: 14px;
    border-radius: 12px;
    padding: 0 4px;
  }

  .brand-name {
    font-size: 16px;
  }

  .main-nav {
    display: none;
  }

  .site-header.header-open .main-nav {
    position: fixed;
    left: 14px;
    right: 14px;
    top: 64px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid var(--hairline);
    border-radius: 22px;
    box-shadow: 0 20px 44px rgba(10, 45, 32, 0.16);
    padding: 14px;
    backdrop-filter: blur(18px);
  }

  .main-nav .nav-link {
    padding: 14px 18px;
    font-size: 15px;
    color: var(--ink);
    border-radius: 14px;
  }

  .main-nav .nav-link.active {
    background: rgba(11, 79, 60, 0.1);
  }

  .main-nav .nav-link.active::after {
    left: auto;
    right: 18px;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
  }

  .m-nav-trigger {
    display: inline-flex;
    background: transparent;
  }

  .search-trigger {
    width: 38px;
    height: 38px;
  }

  .header-cta {
    display: none;
  }

  .category-hero {
    padding: 130px 0 56px;
  }

  .category-hero-inner {
    grid-template-columns: 1fr;
  }

  .trend-board {
    max-width: 520px;
  }

  .trend-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    padding: 10px 16px;
  }

  .trend-stat:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--hairline);
  }

  .trend-stat:nth-child(2) {
    border-top: 1px solid var(--hairline);
    padding-top: 18px;
    margin-top: 8px;
  }

  .trend-stat:nth-child(4) {
    border-top: 1px solid var(--hairline);
    padding-top: 18px;
    margin-top: 8px;
  }

  .viewpoint-row {
    grid-template-columns: 56px 1fr;
    gap: 12px;
  }

  .vp-info {
    grid-column: 2;
  }

  .vp-index {
    grid-row: span 2;
    align-self: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }

  .split-layout {
    gap: 24px;
  }

  .detail-block {
    padding: 24px;
  }

  .detail-heading {
    flex-direction: column;
  }

  .detail-heading h2 {
    font-size: 21px;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .feedback-scroll {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    overflow-x: scroll;
  }

  .cta-box {
    flex-direction: column;
    padding: 40px 28px;
  }

  .cta-copy h2 {
    font-size: 25px;
  }
}

@media (max-width: 600px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom a {
    margin-left: 0;
    margin-right: 12px;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .category-hero h1 {
    font-size: 29px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-actions .btn-acid,
  .hero-actions .btn-ghost {
    width: 100%;
    min-height: 48px;
  }

  .trend-board {
    padding: 18px;
  }

  .board-photo img {
    height: 190px;
  }

  .detail-image-box img {
    height: 180px;
  }

  .side-rail {
    grid-template-columns: 1fr;
  }

  .rail-card {
    border-radius: 18px;
  }

  .footer-console-box {
    flex-direction: column;
  }

  .footer-console-box button {
    width: 100%;
  }

  .search-modal {
    padding: 28px 18px;
  }

  .search-hot {
    gap: 6px;
  }
}

@media (max-width: 480px) {
  .section-block {
    --sp-section: 62px;
  }

  .section-head h2 {
    font-size: 23px;
  }

  .brand-name {
    font-size: 15px;
  }

  .brand-logo {
    width: 38px;
    height: 30px;
    font-size: 13px;
    border-radius: 10px;
  }

  .trend-stat b {
    font-size: 22px;
  }

  .trend-stat span {
    font-size: 12px;
  }

  .viewpoint-row {
    grid-template-columns: 1fr;
  }

  .vp-info {
    grid-column: 1;
  }

  .vp-index {
    grid-row: auto;
  }

  .detail-block {
    padding: 20px;
    border-radius: 18px;
  }

  .category-hero {
    padding-top: 124px;
  }
}