/* ============================================================
   大海影视 - 全站样式
   设计主题：深海蓝 × 青碧浪光 × 鎏金点缀（电影与海洋）
   ============================================================ */

/* ---------- 0. 字体与设计变量 ---------- */
:root {
  --navy-950: #050f1e;
  --navy-900: #081a2e;
  --navy-800: #0b2440;
  --navy-700: #103357;
  --navy-600: #16456f;
  --blue-600: #0e6fb6;
  --blue-500: #168ad8;
  --blue-400: #38bdf8;
  --cyan-400: #39d0e8;
  --teal-400: #2dd4bf;
  --gold-500: #f6b73c;
  --gold-400: #ffce5c;
  --coral: #ff7a6b;

  --ink: #15263b;
  --ink-soft: #33486a;
  --body: #4d607a;
  --muted: #8093aa;
  --line: #e1eaf4;
  --bg: #f3f7fb;
  --bg-soft: #eaf2fa;
  --card: #ffffff;

  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 10px 30px -12px rgba(13, 45, 78, .18);
  --shadow-hover: 0 22px 44px -16px rgba(8, 30, 52, .32);
  --header-h: 72px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 1. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--body);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--blue-600); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--blue-500); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

h1, h2, h3, h4 { color: var(--ink); line-height: 1.3; font-weight: 700; }

::selection { background: rgba(56, 189, 248, .28); }

:focus-visible { outline: 3px solid rgba(56, 189, 248, .55); outline-offset: 2px; border-radius: 4px; }

/* ---------- 2. 通用容器与排版 ---------- */
.container { width: min(1200px, 92%); margin: 0 auto; }
.container-narrow { width: min(860px, 92%); margin: 0 auto; }

.section { padding: 92px 0; position: relative; }
.section-sm { padding: 64px 0; }
.bg-white { background: #fff; }
.bg-soft { background: var(--bg-soft); }
.text-center { text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 700; letter-spacing: .18em;
  color: var(--blue-600); text-transform: uppercase;
  padding: 6px 16px; border-radius: 999px;
  background: rgba(22, 138, 216, .09);
  border: 1px solid rgba(22, 138, 216, .18);
}
.eyebrow::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal-400); box-shadow: 0 0 0 4px rgba(45, 212, 191, .18);
}
.eyebrow.on-dark { color: var(--cyan-400); background: rgba(57, 208, 232, .1); border-color: rgba(57, 208, 232, .25); }

.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.15rem);
  margin: 18px 0 14px;
  letter-spacing: .01em;
}
.section-desc { color: var(--body); max-width: 680px; margin: 0 auto; font-size: 1.02rem; }
.section-head { margin-bottom: 48px; }
.section-head.left { text-align: left; }
.section-head.left .section-desc { margin: 0; }

/* ---------- 3. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 28px; border-radius: 999px; font-size: .98rem; font-weight: 700;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s, border-color .3s;
  white-space: nowrap; line-height: 1.2;
}
.btn i { width: 18px; height: 18px; fill: currentColor; }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--teal-400));
  color: #fff;
  box-shadow: 0 12px 26px -10px rgba(22, 138, 216, .65);
}
.btn-primary:hover { color: #fff; transform: translateY(-3px); box-shadow: 0 18px 34px -12px rgba(22, 138, 216, .7); }
.btn-gold {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
  color: #3a2a02;
  box-shadow: 0 12px 26px -12px rgba(246, 183, 60, .7);
}
.btn-gold:hover { color: #3a2a02; transform: translateY(-3px); }
.btn-ghost {
  border: 1.5px solid rgba(255, 255, 255, .45); color: #fff; background: rgba(255, 255, 255, .06);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { color: #fff; border-color: #fff; transform: translateY(-3px); background: rgba(255,255,255,.14); }
.btn-outline { border: 1.5px solid var(--blue-500); color: var(--blue-600); background: #fff; }
.btn-outline:hover { background: var(--blue-600); color: #fff; transform: translateY(-3px); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ---------- 4. 顶部导航 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-h);
  background: rgba(6, 20, 38, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(147, 197, 253, .12);
  transition: background .35s, box-shadow .35s, height .35s;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .96);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px -18px rgba(8, 30, 52, .35);
}
.header-row {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 22px;
  padding: 0 24px;
  max-width: 1280px; margin: 0 auto;
}

.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-500), var(--teal-400));
  display: grid; place-items: center;
  box-shadow: 0 8px 20px -8px rgba(22, 138, 216, .8);
  transition: transform .4s var(--ease);
}
.brand:hover .brand-mark { transform: rotate(-8deg) scale(1.06); }
.brand-mark svg { width: 24px; height: 24px; fill: #fff; }
.brand-name { font-size: 1.22rem; font-weight: 800; color: #fff; letter-spacing: .04em; }
.brand-name small { display: block; font-size: .62rem; font-weight: 500; letter-spacing: .28em; color: var(--cyan-400); }
.site-header.scrolled .brand-name { color: var(--ink); }
.site-header.scrolled .brand-name small { color: var(--blue-600); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  position: relative; color: rgba(235, 245, 255, .82);
  font-size: .96rem; font-weight: 500; padding: 9px 15px; border-radius: 9px;
}
.main-nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.main-nav a.active { color: #fff; }
.main-nav a.active::after {
  content: ""; position: absolute; left: 50%; bottom: 2px; transform: translateX(-50%);
  width: 20px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--cyan-400), var(--teal-400));
}
.site-header.scrolled .main-nav a { color: var(--ink-soft); }
.site-header.scrolled .main-nav a:hover { color: var(--blue-600); background: rgba(22,138,216,.08); }
.site-header.scrolled .main-nav a.active { color: var(--blue-600); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.header-search {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px; padding: 9px 16px; width: 190px;
  transition: width .35s var(--ease), background .3s, border-color .3s;
}
.header-search:focus-within { width: 236px; background: rgba(255,255,255,.16); border-color: var(--cyan-400); }
.header-search svg { width: 16px; height: 16px; fill: rgba(255,255,255,.65); flex-shrink: 0; }
.header-search input {
  border: none; background: none; outline: none; color: #fff;
  width: 100%; font-size: .88rem;
}
.header-search input::placeholder { color: rgba(255,255,255,.6); }
.site-header.scrolled .header-search { background: var(--bg); border-color: var(--line); }
.site-header.scrolled .header-search svg { fill: var(--muted); }
.site-header.scrolled .header-search input { color: var(--ink); }
.site-header.scrolled .header-search input::placeholder { color: var(--muted); }

.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 10px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px; border-radius: 2px;
  background: #fff; transition: transform .3s var(--ease), opacity .3s;
}
.site-header.scrolled .nav-toggle span { background: var(--ink); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. Hero 主视觉 ---------- */
.hero {
  position: relative; padding-top: calc(var(--header-h) + 76px); padding-bottom: 90px;
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(45,212,191,.22), transparent 60%),
    radial-gradient(900px 480px at 8% 12%, rgba(56,189,248,.18), transparent 55%),
    linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 45%, #0a2c4d 100%);
  color: #dcebfb;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(rgba(147,197,253,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147,197,253,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
}
.hero-waves { position: absolute; left: 0; right: 0; bottom: -1px; line-height: 0; z-index: 1; }
.hero-waves svg { width: 100%; height: 90px; display: block; }

.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 16px; border-radius: 999px; font-size: .85rem; font-weight: 500;
  color: #cdeaff; background: rgba(56,189,248,.1);
  border: 1px solid rgba(56,189,248,.28);
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal-400); animation: pulse 1.8s infinite; }

.hero h1 {
  color: #fff; margin: 22px 0 18px;
  font-size: clamp(2.1rem, 4.2vw, 3.35rem);
  line-height: 1.22; letter-spacing: .01em;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--cyan-400), var(--teal-400) 55%, var(--gold-400));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 1.08rem; color: rgba(220,235,251,.82); max-width: 560px; }

.hero-search {
  margin: 30px 0 20px;
  display: flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.97); border-radius: 999px; padding: 7px 7px 7px 22px;
  box-shadow: 0 24px 60px -22px rgba(0,0,0,.55);
  max-width: 580px;
}
.hero-search svg { width: 20px; height: 20px; fill: var(--muted); flex-shrink: 0; }
.hero-search input {
  flex: 1; border: none; outline: none; background: none; color: var(--ink);
  padding: 12px 6px; font-size: 1rem; min-width: 0;
}
.hero-hot { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: .9rem; color: rgba(220,235,251,.7); }
.hero-hot a {
  color: rgba(220,235,251,.85); padding: 4px 13px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.22); font-size: .85rem;
}
.hero-hot a:hover { border-color: var(--cyan-400); color: #fff; background: rgba(56,189,248,.12); }

.hero-stats { display: flex; gap: 40px; margin-top: 40px; flex-wrap: wrap; }
.hero-stats .num { font-size: 1.9rem; font-weight: 800; color: #fff; line-height: 1.1; }
.hero-stats .num em { font-style: normal; color: var(--gold-400); }
.hero-stats .label { font-size: .85rem; color: rgba(220,235,251,.62); }

/* 右侧海报组合 */
.hero-visual { position: relative; height: 480px; }
.poster-card {
  position: absolute; border-radius: 16px; overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.6);
  border: 1px solid rgba(255,255,255,.18);
  background: var(--navy-800);
  transition: transform .5s var(--ease);
}
.poster-card img { width: 100%; height: 100%; object-fit: cover; }
.poster-card.p1 { width: 46%; height: 78%; left: 4%; top: 6%; z-index: 2; animation: floatY 6s ease-in-out infinite; }
.poster-card.p2 { width: 42%; height: 62%; right: 0; top: 0; z-index: 3; animation: floatY 7s ease-in-out infinite .6s; }
.poster-card.p3 { width: 38%; height: 40%; right: 8%; bottom: 0; z-index: 4; animation: floatY 8s ease-in-out infinite 1.1s; }
.poster-rating {
  position: absolute; top: 12px; left: 12px; z-index: 5;
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(5,15,30,.72); backdrop-filter: blur(6px);
  color: var(--gold-400); font-size: .82rem; font-weight: 700;
  padding: 5px 11px; border-radius: 999px;
}
.poster-rating svg { width: 13px; height: 13px; fill: currentColor; }
.play-fab {
  position: absolute; z-index: 6; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 64px; height: 64px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255,255,255,.92); box-shadow: 0 14px 34px -10px rgba(0,0,0,.6);
  animation: pulseRing 2.4s infinite;
}
.play-fab svg { width: 24px; height: 24px; fill: var(--blue-600); margin-left: 3px; }

/* 内页小 Hero */
.page-hero {
  position: relative; padding: calc(var(--header-h) + 64px) 0 72px;
  background:
    radial-gradient(900px 420px at 85% -20%, rgba(45,212,191,.2), transparent 60%),
    radial-gradient(720px 380px at 0% 0%, rgba(56,189,248,.18), transparent 55%),
    linear-gradient(155deg, var(--navy-950), var(--navy-800) 70%, #0c3559);
  color: #dcebfb; text-align: center;
}
.page-hero h1 { color: #fff; font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin-bottom: 14px; }
.page-hero p { color: rgba(220,235,251,.78); max-width: 640px; margin: 0 auto; }

/* 面包屑 */
.breadcrumb { padding: 18px 0; font-size: .9rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); }
.breadcrumb li:not(:last-child)::after { content: "/"; color: var(--muted); opacity: .6; }
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--blue-600); }
.breadcrumb [aria-current="page"] { color: var(--blue-600); font-weight: 600; }

/* ---------- 6. 数据带 ---------- */
.stats-band { background: #fff; border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 44px 0; }
.stat-item { text-align: center; position: relative; }
.stat-item:not(:last-child)::after {
  content: ""; position: absolute; right: -10px; top: 18%; height: 64%;
  width: 1px; background: var(--line);
}
.stat-item .num { font-size: 2.1rem; font-weight: 800; color: var(--blue-600); }
.stat-item .num em { font-style: normal; }
.stat-item .label { color: var(--muted); font-size: .92rem; margin-top: 4px; }

/* ---------- 7. 核心特性 ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 30px; position: relative; overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.feature-card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 4px;
  background: linear-gradient(90deg, var(--blue-500), var(--teal-400));
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease);
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: transparent; }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 58px; height: 58px; border-radius: 15px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(22,138,216,.12), rgba(45,212,191,.14));
  margin-bottom: 20px;
}
.feature-icon svg { width: 28px; height: 28px; fill: var(--blue-600); }
.feature-card h3 { font-size: 1.16rem; margin-bottom: 10px; }
.feature-card p { font-size: .95rem; color: var(--body); }
.feature-tag {
  position: absolute; top: 22px; right: -30px; transform: rotate(45deg);
  background: var(--gold-500); color: #3a2a02; font-size: .72rem; font-weight: 700;
  padding: 4px 36px;
}

/* ---------- 8. 服务/频道介绍 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  min-height: 330px; display: flex; align-items: flex-end;
  box-shadow: var(--shadow-card); isolation: isolate;
}
.service-card img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2;
  transition: transform .6s var(--ease);
}
.service-card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(5,15,30,.05) 30%, rgba(5,15,30,.9) 100%);
  transition: background .4s;
}
.service-card:hover img { transform: scale(1.08); }
.service-body { padding: 24px; color: #fff; width: 100%; }
.service-body h3 { color: #fff; font-size: 1.25rem; display: flex; align-items: center; gap: 9px; }
.service-body h3 .count { font-size: .78rem; font-weight: 500; color: var(--cyan-400); }
.service-body p { font-size: .9rem; color: rgba(235,245,255,.82); margin: 8px 0 14px; }
.service-more {
  display: inline-flex; align-items: center; gap: 6px;
  color: #fff; font-size: .88rem; font-weight: 600;
}
.service-more svg { width: 15px; height: 15px; fill: currentColor; transition: transform .3s; }
.service-card:hover .service-more svg { transform: translateX(5px); }

/* ---------- 9. 片单 / 影视卡片 ---------- */
.poster-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 22px; }
.movie-card {
  border-radius: var(--radius-md); overflow: hidden; background: #fff;
  border: 1px solid var(--line);
  transition: transform .38s var(--ease), box-shadow .38s;
}
.movie-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-hover); }
.movie-thumb { position: relative; aspect-ratio: 2 / 3; overflow: hidden; background: var(--navy-800); }
.movie-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.movie-card:hover .movie-thumb img { transform: scale(1.07); }
.movie-score {
  position: absolute; top: 9px; right: 9px;
  background: rgba(5,15,30,.75); backdrop-filter: blur(4px);
  color: var(--gold-400); font-weight: 800; font-size: .82rem;
  padding: 3px 9px; border-radius: 7px;
}
.movie-quality {
  position: absolute; top: 9px; left: 9px;
  background: linear-gradient(135deg, var(--coral), #ef5b4d);
  color: #fff; font-size: .68rem; font-weight: 700; letter-spacing: .05em;
  padding: 3px 8px; border-radius: 6px;
}
.movie-quality.hd { background: linear-gradient(135deg, var(--blue-500), var(--teal-400)); }
.movie-hover {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: rgba(5,15,30,.5); opacity: 0; transition: opacity .35s;
}
.movie-card:hover .movie-hover { opacity: 1; }
.movie-hover .play-btn {
  width: 52px; height: 52px; border-radius: 50%; background: rgba(255,255,255,.92);
  display: grid; place-items: center; transform: scale(.8); transition: transform .35s var(--ease);
}
.movie-card:hover .play-btn { transform: scale(1); }
.movie-hover .play-btn svg { width: 20px; height: 20px; fill: var(--blue-600); margin-left: 3px; }
.movie-info { padding: 13px 13px 15px; }
.movie-info h3 { font-size: .96rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.movie-info h3 a { color: var(--ink); }
.movie-info h3 a:hover { color: var(--blue-600); }
.movie-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 7px; font-size: .78rem; color: var(--muted); }
.movie-meta .tag { color: var(--blue-600); background: rgba(22,138,216,.09); padding: 2px 8px; border-radius: 5px; font-weight: 600; }

.section-row-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 28px; gap: 16px; flex-wrap: wrap; }
.section-row-head h2 { font-size: 1.45rem; }
.section-row-head h2 span { color: var(--blue-600); }
.row-link { font-size: .9rem; font-weight: 600; color: var(--blue-600); display: inline-flex; gap: 6px; align-items: center; }
.row-link svg { width: 15px; height: 15px; fill: currentColor; transition: transform .3s; }
.row-link:hover svg { transform: translateX(4px); }

/* 分类筛选 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter-chip {
  padding: 8px 20px; border-radius: 999px; font-size: .9rem; font-weight: 600;
  color: var(--ink-soft); background: #fff; border: 1.5px solid var(--line);
  transition: all .28s var(--ease);
}
.filter-chip:hover { border-color: var(--blue-500); color: var(--blue-600); }
.filter-chip.active {
  background: linear-gradient(135deg, var(--blue-500), var(--teal-400));
  color: #fff; border-color: transparent;
  box-shadow: 0 8px 18px -8px rgba(22,138,216,.7);
}

/* ---------- 10. 观影步骤 ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; counter-reset: step; }
.step-item { position: relative; text-align: center; padding: 0 18px; }
.step-num {
  width: 76px; height: 76px; margin: 0 auto 22px; border-radius: 50%;
  display: grid; place-items: center; font-size: 1.6rem; font-weight: 800;
  color: #fff; background: linear-gradient(135deg, var(--navy-700), var(--blue-600));
  box-shadow: 0 14px 30px -12px rgba(14,111,182,.7);
  position: relative; z-index: 2;
}
.step-item:not(:last-child)::after {
  content: ""; position: absolute; top: 38px; left: calc(50% + 52px); width: calc(100% - 104px);
  height: 2px; border-top: 2px dashed rgba(22,138,216,.35); z-index: 1;
}
.step-item h3 { font-size: 1.15rem; margin-bottom: 9px; }
.step-item p { font-size: .94rem; }

/* ---------- 11. 用户评价 ---------- */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.review-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 28px; position: relative;
  transition: transform .38s var(--ease), box-shadow .38s;
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.review-quote { position: absolute; top: 22px; right: 26px; font-size: 3.4rem; line-height: 1; color: rgba(22,138,216,.12); font-family: Georgia, serif; }
.review-stars { display: flex; gap: 3px; margin-bottom: 14px; }
.review-stars svg { width: 17px; height: 17px; fill: var(--gold-500); }
.review-card p { font-size: .95rem; color: var(--ink-soft); }
.review-user { display: flex; align-items: center; gap: 13px; margin-top: 22px; }
.review-user img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; }
.review-user strong { display: block; color: var(--ink); font-size: .96rem; }
.review-user span { font-size: .82rem; color: var(--muted); }

/* ---------- 12. FAQ 手风琴 ---------- */
.faq-list { max-width: 840px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md);
  overflow: hidden; transition: box-shadow .3s, border-color .3s;
}
.faq-item.open { border-color: rgba(22,138,216,.4); box-shadow: var(--shadow-card); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; text-align: left; font-size: 1.02rem; font-weight: 700; color: var(--ink);
}
.faq-q .q-tag {
  flex-shrink: 0; font-size: .72rem; font-weight: 700; color: var(--blue-600);
  background: rgba(22,138,216,.1); padding: 3px 10px; border-radius: 6px;
}
.faq-q .q-text { flex: 1; }
.faq-q .q-icon {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
  background: var(--bg-soft); display: grid; place-items: center;
  transition: transform .35s var(--ease), background .3s;
}
.faq-q .q-icon svg { width: 14px; height: 14px; fill: var(--blue-600); transition: transform .35s var(--ease); }
.faq-item.open .q-icon { background: var(--blue-600); }
.faq-item.open .q-icon svg { fill: #fff; transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq-a-inner { padding: 0 24px 22px; color: var(--body); font-size: .95rem; }
.faq-a-inner ul { margin: 8px 0 0; }
.faq-a-inner li { position: relative; padding-left: 20px; margin: 6px 0; }
.faq-a-inner li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 7px; height: 7px; border-radius: 50%; background: var(--teal-400); }

/* ---------- 13. CTA 行动号召 ---------- */
.cta-band { position: relative; overflow: hidden; }
.cta-inner {
  position: relative; border-radius: 26px; padding: 70px 48px; text-align: center;
  background:
    radial-gradient(700px 320px at 85% -30%, rgba(45,212,191,.35), transparent 60%),
    radial-gradient(620px 300px at 8% 120%, rgba(56,189,248,.3), transparent 60%),
    linear-gradient(140deg, var(--navy-900), var(--navy-700));
  color: #e6f2ff; overflow: hidden;
}
.cta-inner::before {
  content: ""; position: absolute; inset: 0; opacity: .4;
  background-image: radial-gradient(rgba(255,255,255,.14) 1px, transparent 1.4px);
  background-size: 26px 26px;
}
.cta-inner > * { position: relative; z-index: 1; }
.cta-inner h2 { color: #fff; font-size: clamp(1.6rem, 2.8vw, 2.3rem); margin-bottom: 14px; }
.cta-inner p { max-width: 580px; margin: 0 auto 30px; color: rgba(230,242,255,.82); }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-note { margin-top: 20px; font-size: .85rem; color: rgba(230,242,255,.6); }

/* ---------- 14. 页脚 ---------- */
.site-footer {
  background: linear-gradient(180deg, var(--navy-900), var(--navy-950));
  color: rgba(210,228,245,.72); padding-top: 72px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px;
  padding-bottom: 52px; border-bottom: 1px solid rgba(147,197,253,.12);
}
.footer-brand .brand-name { color: #fff; }
.footer-about { font-size: .92rem; margin: 18px 0 22px; max-width: 320px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1);
  transition: transform .3s var(--ease), background .3s;
}
.footer-social a:hover { transform: translateY(-4px); background: var(--blue-600); }
.footer-social svg { width: 18px; height: 18px; fill: #cfe5fb; }

.footer-col h3 { color: #fff; font-size: 1rem; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h3::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 3px;
  border-radius: 3px; background: linear-gradient(90deg, var(--cyan-400), var(--teal-400));
}
.footer-col ul li { margin-bottom: 11px; }
.footer-col a { color: rgba(210,228,245,.72); font-size: .93rem; display: inline-flex; align-items: center; gap: 7px; }
.footer-col a::before { content: "›"; color: var(--cyan-400); font-size: 1.05rem; line-height: 1; }
.footer-col a:hover { color: #fff; transform: translateX(3px); }
.footer-contact li { display: flex; gap: 10px; font-size: .92rem; margin-bottom: 14px; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; fill: var(--cyan-400); flex-shrink: 0; margin-top: 4px; }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  padding: 22px 0; flex-wrap: wrap; font-size: .88rem; color: rgba(210,228,245,.55);
}
.footer-bottom .links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-bottom a { color: rgba(210,228,245,.55); }
.footer-bottom a:hover { color: #fff; }

/* ---------- 15. 返回顶部 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 900;
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, var(--blue-500), var(--teal-400));
  display: grid; place-items: center;
  box-shadow: 0 14px 30px -10px rgba(14,111,182,.7);
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: all .35s var(--ease);
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-4px); }
.back-top svg { width: 20px; height: 20px; fill: #fff; }

/* ---------- 16. 关于页 ---------- */
.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.story-media { position: relative; }
.story-media img.main { border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.story-media .floating-card {
  position: absolute; right: -18px; bottom: -26px;
  background: #fff; border-radius: var(--radius-md); padding: 20px 24px;
  box-shadow: var(--shadow-hover); display: flex; align-items: center; gap: 14px;
}
.story-media .floating-card .fi {
  width: 46px; height: 46px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(45,212,191,.18), rgba(56,189,248,.2));
  display: grid; place-items: center;
}
.story-media .floating-card .fi svg { width: 22px; height: 22px; fill: var(--blue-600); }
.story-media .floating-card strong { display: block; color: var(--ink); font-size: 1.15rem; }
.story-media .floating-card span { font-size: .82rem; color: var(--muted); }
.story-text h2 { font-size: clamp(1.55rem, 2.4vw, 2rem); margin-bottom: 18px; }
.story-text p { margin-bottom: 16px; }
.story-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.story-points li {
  display: flex; gap: 10px; align-items: flex-start; font-size: .93rem; color: var(--ink-soft);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 13px 15px;
}
.story-points svg { width: 18px; height: 18px; fill: var(--teal-400); flex-shrink: 0; margin-top: 3px; }

/* 价值观 */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.value-card { text-align: center; padding: 34px 22px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--line); transition: transform .35s var(--ease), box-shadow .35s; }
.value-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.value-card .vi {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 18px;
  display: grid; place-items: center; font-size: 1.5rem;
  background: linear-gradient(135deg, var(--navy-700), var(--blue-600));
}
.value-card .vi svg { width: 30px; height: 30px; fill: #fff; }
.value-card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.value-card p { font-size: .9rem; }

/* 时间线 */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 40px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--blue-500), var(--teal-400)); }
.tl-item { position: relative; padding-bottom: 38px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -40px; top: 6px;
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 5px solid var(--blue-500);
  box-shadow: 0 0 0 5px rgba(22,138,216,.12);
}
.tl-year { display: inline-block; font-weight: 800; color: var(--blue-600); font-size: 1.02rem; margin-bottom: 6px; }
.tl-item h3 { font-size: 1.12rem; margin-bottom: 6px; }
.tl-item p { font-size: .94rem; }

/* 团队 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); text-align: center; transition: transform .35s var(--ease), box-shadow .35s; }
.team-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-hover); }
.team-card img { aspect-ratio: 1; object-fit: cover; }
.team-card .ti { padding: 20px 16px 24px; }
.team-card h3 { font-size: 1.08rem; }
.team-card .role { color: var(--blue-600); font-size: .85rem; font-weight: 600; margin: 4px 0 10px; }
.team-card p { font-size: .86rem; }

/* ---------- 17. 产品/会员页 ---------- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; align-items: stretch; }
.plan-card {
  background: #fff; border: 1.5px solid var(--line); border-radius: 20px;
  padding: 38px 32px; display: flex; flex-direction: column; position: relative;
  transition: transform .38s var(--ease), box-shadow .38s, border-color .38s;
}
.plan-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.plan-card.featured {
  border-color: transparent;
  background:
    radial-gradient(420px 220px at 100% 0, rgba(255,206,92,.16), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy-800));
  color: rgba(226,240,255,.8);
  box-shadow: 0 28px 56px -22px rgba(8,30,52,.55);
}
.plan-card.featured h3 { color: #fff; }
.plan-flag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
  color: #3a2a02; font-size: .8rem; font-weight: 800;
  padding: 6px 18px; border-radius: 999px; white-space: nowrap;
}
.plan-card h3 { font-size: 1.3rem; }
.plan-desc { font-size: .92rem; margin: 10px 0 22px; }
.plan-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 26px; }
.plan-price .cur { font-size: 1.1rem; font-weight: 700; color: var(--gold-500); }
.plan-price .amt { font-size: 2.9rem; font-weight: 800; color: var(--ink); line-height: 1; }
.plan-card.featured .plan-price .amt { color: #fff; }
.plan-price .per { color: var(--muted); font-size: .9rem; }
.plan-list { margin-bottom: 30px; display: flex; flex-direction: column; gap: 13px; flex: 1; }
.plan-list li { display: flex; gap: 11px; font-size: .94rem; align-items: flex-start; }
.plan-list svg { width: 19px; height: 19px; flex-shrink: 0; margin-top: 3px; }
.plan-list .ok { fill: var(--teal-400); }
.plan-list .no { fill: #c3d0de; }
.plan-list li.off { color: var(--muted); text-decoration: line-through; }
.plan-card.featured .plan-list li:not(.off) { color: rgba(226,240,255,.88); }
.plan-card.featured .btn-outline { background: transparent; border-color: rgba(255,255,255,.4); color: #fff; }
.plan-card.featured .btn-outline:hover { background: #fff; color: var(--navy-900); }

.compare-wrap { overflow-x: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); background: #fff; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.compare-table th, .compare-table td { padding: 17px 22px; text-align: center; border-bottom: 1px solid var(--line); font-size: .94rem; }
.compare-table th:first-child, .compare-table td:first-child { text-align: left; color: var(--ink); font-weight: 600; }
.compare-table thead th { background: var(--navy-900); color: #fff; font-size: 1rem; }
.compare-table thead th.hl { background: linear-gradient(135deg, var(--blue-600), var(--teal-400)); }
.compare-table tbody tr:hover { background: var(--bg); }
.compare-table .yes { color: var(--teal-400); font-weight: 800; font-size: 1.15rem; }
.compare-table .no { color: #c3d0de; }

/* 产品特性双栏 */
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.dual-card { display: flex; gap: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; transition: transform .35s, box-shadow .35s; }
.dual-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); }
.dual-card .di { width: 54px; height: 54px; border-radius: 14px; background: linear-gradient(135deg, rgba(22,138,216,.12), rgba(45,212,191,.16)); display: grid; place-items: center; flex-shrink: 0; }
.dual-card .di svg { width: 26px; height: 26px; fill: var(--blue-600); }
.dual-card h3 { font-size: 1.1rem; margin-bottom: 7px; }
.dual-card p { font-size: .93rem; }

/* ---------- 18. 资讯列表 ---------- */
.news-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.news-item {
  display: grid; grid-template-columns: 280px 1fr; gap: 26px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 18px; margin-bottom: 24px;
  transition: transform .35s var(--ease), box-shadow .35s;
}
.news-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.news-thumb { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 16/10; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.news-item:hover .news-thumb img { transform: scale(1.06); }
.news-body { padding: 6px 8px 6px 0; display: flex; flex-direction: column; }
.news-meta { display: flex; gap: 14px; align-items: center; font-size: .82rem; color: var(--muted); margin-bottom: 9px; flex-wrap: wrap; }
.news-meta .cat { color: #fff; background: linear-gradient(135deg, var(--blue-500), var(--teal-400)); padding: 3px 11px; border-radius: 6px; font-weight: 600; font-size: .78rem; }
.news-body h2 { font-size: 1.22rem; line-height: 1.45; margin-bottom: 10px; }
.news-body h2 a { color: var(--ink); }
.news-body h2 a:hover { color: var(--blue-600); }
.news-body p { font-size: .93rem; margin-bottom: 16px; }
.news-more { margin-top: auto; font-size: .9rem; font-weight: 700; color: var(--blue-600); display: inline-flex; gap: 6px; align-items: center; }
.news-more svg { width: 15px; height: 15px; fill: currentColor; transition: transform .3s; }
.news-item:hover .news-more svg { transform: translateX(5px); }

/* 分页 */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 40px; }
.pagination a, .pagination span {
  min-width: 44px; height: 44px; padding: 0 12px; display: inline-grid; place-items: center;
  border-radius: 11px; background: #fff; border: 1.5px solid var(--line);
  color: var(--ink-soft); font-weight: 600; font-size: .94rem;
  transition: all .28s;
}
.pagination a:hover { border-color: var(--blue-500); color: var(--blue-600); transform: translateY(-2px); }
.pagination .current { background: linear-gradient(135deg, var(--blue-500), var(--teal-400)); color: #fff; border-color: transparent; }

/* 侧边栏 */
.sidebar-widget { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px 24px; margin-bottom: 26px; }
.sidebar-widget h3 { font-size: 1.08rem; margin-bottom: 18px; display: flex; align-items: center; gap: 9px; }
.sidebar-widget h3::before { content: ""; width: 5px; height: 18px; border-radius: 3px; background: linear-gradient(var(--blue-500), var(--teal-400)); }
.widget-search { display: flex; gap: 8px; }
.widget-search input {
  flex: 1; min-width: 0; border: 1.5px solid var(--line); border-radius: 999px;
  padding: 11px 18px; outline: none; transition: border-color .3s; background: var(--bg);
}
.widget-search input:focus { border-color: var(--blue-500); background: #fff; }
.widget-search button {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue-500), var(--teal-400));
  display: grid; place-items: center;
}
.widget-search button svg { width: 18px; height: 18px; fill: #fff; }

.cat-list li { border-bottom: 1px dashed var(--line); }
.cat-list li:last-child { border-bottom: none; }
.cat-list a { display: flex; justify-content: space-between; align-items: center; padding: 12px 4px; color: var(--ink-soft); font-size: .95rem; }
.cat-list a:hover { color: var(--blue-600); padding-left: 8px; }
.cat-list .n { font-size: .78rem; color: var(--muted); background: var(--bg-soft); padding: 2px 10px; border-radius: 999px; }

.hot-list li { display: flex; gap: 13px; padding: 11px 0; border-bottom: 1px dashed var(--line); }
.hot-list li:last-child { border-bottom: none; }
.hot-list .rank {
  width: 24px; height: 24px; border-radius: 7px; flex-shrink: 0;
  display: grid; place-items: center; font-size: .8rem; font-weight: 800;
  background: var(--bg-soft); color: var(--muted);
}
.hot-list li:nth-child(-n+3) .rank { background: linear-gradient(135deg, var(--coral), var(--gold-500)); color: #fff; }
.hot-list a { color: var(--ink-soft); font-size: .92rem; line-height: 1.5; }
.hot-list a:hover { color: var(--blue-600); }
.hot-list .date { display: block; font-size: .78rem; color: var(--muted); margin-top: 3px; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
.tag-cloud a {
  font-size: .86rem; padding: 6px 14px; border-radius: 999px;
  background: var(--bg); color: var(--ink-soft); border: 1px solid var(--line);
}
.tag-cloud a:hover { background: var(--blue-600); color: #fff; border-color: var(--blue-600); }

/* ---------- 19. 资讯详情 ---------- */
.article-wrap { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 44px 48px; }
.article-head { border-bottom: 1px solid var(--line); padding-bottom: 26px; margin-bottom: 32px; }
.article-head h1 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.4; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; font-size: .88rem; color: var(--muted); align-items: center; }
.article-meta .author { display: flex; align-items: center; gap: 9px; }
.article-meta .author img { width: 34px; height: 34px; border-radius: 50%; }
.article-meta .author b { color: var(--ink); font-weight: 600; display: block; font-size: .9rem; line-height: 1.2; }
.article-meta .author span { font-size: .76rem; }
.article-meta .mi { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .mi svg { width: 15px; height: 15px; fill: var(--muted); }

.article-cover { border-radius: var(--radius-md); overflow: hidden; margin-bottom: 34px; }
.article-cover img { width: 100%; aspect-ratio: 16/8; object-fit: cover; }
.article-body { font-size: 1.02rem; color: var(--ink-soft); }
.article-body > p { margin-bottom: 20px; }
.article-body h2 { font-size: 1.4rem; margin: 38px 0 16px; padding-left: 14px; border-left: 5px solid var(--blue-500); }
.article-body h3 { font-size: 1.15rem; margin: 28px 0 12px; color: var(--ink); }
.article-body ul, .article-body ol { margin: 0 0 20px 4px; }
.article-body li { position: relative; padding-left: 22px; margin: 9px 0; }
.article-body ul li::before { content: ""; position: absolute; left: 2px; top: 13px; width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(var(--blue-500), var(--teal-400)); }
.article-body ol { counter-reset: olc; }
.article-body ol li { counter-increment: olc; }
.article-body ol li::before { content: counter(olc); position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 6px; background: var(--blue-600); color: #fff; font-size: .78rem; font-weight: 700; display: grid; place-items: center; }
.article-body blockquote {
  border-left: 4px solid var(--gold-500); background: #fbf7ee;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 24px; margin: 24px 0; color: #6b5526; font-size: .98rem;
}
.article-body figure { margin: 28px 0; }
.article-body figure img { border-radius: var(--radius-md); aspect-ratio: 16/8; object-fit: cover; width: 100%; }
.article-body figcaption { text-align: center; font-size: .85rem; color: var(--muted); margin-top: 10px; }
.article-body strong { color: var(--ink); }

.article-tags { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; margin: 36px 0 0; padding-top: 26px; border-top: 1px solid var(--line); }
.article-tags .t-label { font-weight: 700; color: var(--ink); font-size: .92rem; }
.article-tags a { font-size: .85rem; padding: 5px 13px; border-radius: 999px; background: var(--bg); color: var(--ink-soft); border: 1px solid var(--line); }
.article-tags a:hover { background: var(--blue-600); color: #fff; }
.article-share { display: flex; gap: 10px; margin-left: auto; }
.article-share a { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--bg); border: 1px solid var(--line); transition: all .3s; }
.article-share a:hover { transform: translateY(-3px); }
.article-share svg { width: 17px; height: 17px; fill: var(--ink-soft); }
.article-share a:hover svg { fill: #fff; }
.article-share a:nth-child(1):hover { background: #1aad19; }
.article-share a:nth-child(2):hover { background: #e6162d; }
.article-share a:nth-child(3):hover { background: #1296db; }
.article-share a:nth-child(4):hover { background: var(--gold-500); }

.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 30px; }
.article-nav a {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 18px 22px; font-size: .92rem; color: var(--ink-soft);
  transition: border-color .3s, transform .3s;
}
.article-nav a:hover { border-color: var(--blue-500); transform: translateY(-3px); }
.article-nav .dir { display: block; font-size: .8rem; color: var(--muted); margin-bottom: 5px; }
.article-nav .next { text-align: right; }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.related-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; transition: transform .35s, box-shadow .35s; }
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); }
.related-card img { aspect-ratio: 16/9; object-fit: cover; }
.related-card .rc-body { padding: 16px 18px; }
.related-card h3 { font-size: .98rem; line-height: 1.5; }
.related-card h3 a { color: var(--ink); }
.related-card h3 a:hover { color: var(--blue-600); }
.related-card time { font-size: .8rem; color: var(--muted); display: block; margin-top: 8px; }

/* ---------- 20. 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 56px; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 28px; text-align: center; transition: transform .35s, box-shadow .35s; }
.contact-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-hover); }
.contact-card .ci { width: 62px; height: 62px; margin: 0 auto 18px; border-radius: 17px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(22,138,216,.12), rgba(45,212,191,.16)); }
.contact-card .ci svg { width: 28px; height: 28px; fill: var(--blue-600); }
.contact-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.contact-card p { font-size: .95rem; }
.contact-card .cv { color: var(--blue-600); font-weight: 700; }

.contact-form-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px 38px; }
.form-card h2 { font-size: 1.4rem; margin-bottom: 8px; }
.form-card > p { margin-bottom: 26px; font-size: .95rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 19px; }
.form-group label { display: block; font-size: .92rem; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.form-group label .req { color: var(--coral); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px 16px; outline: none; color: var(--ink); background: var(--bg);
  transition: border-color .3s, background .3s, box-shadow .3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--blue-500); background: #fff; box-shadow: 0 0 0 4px rgba(22,138,216,.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group .err { color: #e04f43; font-size: .82rem; margin-top: 5px; display: none; }
.form-group.invalid input, .form-group.invalid textarea, .form-group.invalid select { border-color: #e04f43; }
.form-group.invalid .err { display: block; }
.form-note { font-size: .83rem; color: var(--muted); margin: 14px 0 0; }
.form-success {
  display: none; margin-top: 18px; padding: 14px 18px; border-radius: var(--radius-sm);
  background: #e9f9f2; border: 1px solid #a9eccb; color: #147a4d; font-size: .93rem;
}
.form-success.show { display: flex; gap: 10px; align-items: center; }
.form-success svg { width: 20px; height: 20px; fill: #147a4d; flex-shrink: 0; }

.contact-aside { display: flex; flex-direction: column; gap: 24px; }
.aside-media { border-radius: var(--radius-lg); overflow: hidden; position: relative; box-shadow: var(--shadow-card); }
.aside-media img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.aside-media .cap {
  position: absolute; left: 16px; right: 16px; bottom: 16px;
  background: rgba(5,15,30,.78); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-sm); padding: 14px 18px; color: #dcebfb; font-size: .9rem;
}
.aside-media .cap strong { color: #fff; display: block; margin-bottom: 3px; }
.service-time { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; }
.service-time h3 { font-size: 1.08rem; margin-bottom: 16px; }
.service-time li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: .93rem; }
.service-time li:last-child { border-bottom: none; }
.service-time .t-val { color: var(--ink); font-weight: 600; }

/* ---------- 21. 滚动入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(45,212,191,.55); } 70% { box-shadow: 0 0 0 9px rgba(45,212,191,0); } 100% { box-shadow: 0 0 0 0 rgba(45,212,191,0); } }
@keyframes pulseRing { 0% { box-shadow: 0 0 0 0 rgba(56,189,248,.45); } 70% { box-shadow: 0 0 0 18px rgba(56,189,248,0); } 100% { box-shadow: 0 0 0 0 rgba(56,189,248,0); } }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }

/* ---------- 22. 响应式 ---------- */
@media (max-width: 1080px) {
  .poster-grid { grid-template-columns: repeat(4, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-grid .footer-brand { grid-column: 1 / -1; }
  .team-grid, .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  :root { --header-h: 64px; }
  .header-search { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: rgba(255,255,255,.98); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: 12px 18px 20px;
    box-shadow: 0 24px 40px -24px rgba(8,30,52,.4);
    transform: translateY(-130%); transition: transform .4s var(--ease);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { color: var(--ink-soft) !important; padding: 14px 16px; border-radius: 10px; font-size: 1rem; }
  .main-nav a.active { color: var(--blue-600) !important; background: rgba(22,138,216,.08); }
  .main-nav a.active::after { display: none; }

  .hero { padding-top: calc(var(--header-h) + 48px); padding-bottom: 70px; }
  .hero-inner { grid-template-columns: 1fr; gap: 46px; }
  .hero-visual { height: 420px; max-width: 460px; margin: 0 auto; width: 100%; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 38px; }
  .step-item:not(:last-child)::after { display: none; }
  .story-grid, .contact-form-layout { grid-template-columns: 1fr; gap: 44px; }
  .news-layout { grid-template-columns: 1fr; }
  .story-media .floating-card { right: 10px; }
  .article-wrap { padding: 32px 26px; }
  .section { padding: 68px 0; }
}

@media (max-width: 720px) {
  body { font-size: 15px; }
  .header-row { padding: 0 16px; }
  .features-grid, .reviews-grid, .dual-grid, .products-grid, .contact-grid, .related-grid, .stats-grid { grid-template-columns: 1fr; }
  .stat-item:not(:last-child)::after { display: none; }
  .stats-grid { gap: 30px; padding: 36px 0; }
  .services-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .service-card { min-height: 240px; }
  .poster-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .news-item { grid-template-columns: 1fr; gap: 16px; }
  .news-thumb { aspect-ratio: 16/9; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .article-nav { grid-template-columns: 1fr; }
  .cta-inner { padding: 52px 24px; }
  .hero-stats { gap: 26px; }
  .hero-search { flex-wrap: wrap; background: #fff; border-radius: 18px; padding: 10px 14px; }
  .hero-search .btn { width: 100%; }
  .article-share { margin-left: 0; width: 100%; }
  .values-grid, .team-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-grid .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .story-points { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .poster-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .values-grid, .team-grid, .footer-grid { grid-template-columns: 1fr; }
  .article-wrap { padding: 26px 18px; }
  .movie-info { padding: 10px; }
  .movie-info h3 { font-size: .9rem; }
  .hero-visual { height: 340px; }
  .btn { padding: 12px 22px; }
}

/* ---------- 23. 减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}
