/* ==========================================================================
   动漫共和国 · 主题站群样式表
   所有页面共用（index / guide / features / faq / categories）
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --brand-pink: #ff4d6a;
  --brand-pink-soft: #ff8ea3;
  --brand-purple: #6c4bff;
  --brand-purple-soft: #a58cff;
  --brand-cyan: #14c9d6;
  --brand-yellow: #ffc53d;

  --ink: #171b2c;
  --ink-2: #454c6d;
  --ink-3: #79809e;
  --ink-4: #a8aec7;

  --bg: #ffffff;
  --bg-soft: #f6f7fe;
  --bg-soft-2: #eef0fc;
  --line: #e7e9f6;
  --line-2: #d9dcef;

  --grad-main: linear-gradient(135deg, #ff7a90 0%, #ff4d6a 38%, #7a4bff 100%);
  --grad-soft: linear-gradient(135deg, #fff1f4 0%, #f2eeff 100%);
  --grad-text: linear-gradient(100deg, #ff4d6a 0%, #7a4bff 100%);

  --shadow-s: 0 2px 8px rgba(23, 27, 44, .05);
  --shadow-m: 0 10px 30px rgba(46, 30, 96, .09);
  --shadow-l: 0 22px 60px rgba(46, 30, 96, .14);

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;
  --radius-xl: 32px;

  --container: 1180px;
  --header-h: 68px;
}

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

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

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

::selection { background: rgba(255, 77, 106, .18); }

/* ---------- 通用布局 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.section { padding: 76px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 56px 0; }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 44px; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand-pink);
  background: rgba(255, 77, 106, .09);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

h1, h2, h3, h4 { line-height: 1.32; font-weight: 800; color: var(--ink); }
h2.section-title { font-size: clamp(23px, 3.2vw, 33px); margin-bottom: 12px; }
.section-sub { color: var(--ink-2); font-size: 16px; }
.grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 26px;
  border-radius: 999px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }

.btn-primary {
  color: #fff;
  background: var(--grad-main);
  box-shadow: 0 10px 24px rgba(255, 77, 106, .32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(255, 77, 106, .4); }

.btn-ghost {
  color: var(--ink);
  background: #fff;
  border: 1.5px solid var(--line-2);
  box-shadow: var(--shadow-s);
}
.btn-ghost:hover { border-color: var(--brand-pink-soft); color: var(--brand-pink); transform: translateY(-2px); }

.btn-lg { font-size: 17px; padding: 16px 40px; }
.btn-block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  height: var(--header-h);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; height: var(--header-h); gap: 18px; }

.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand-logo { width: 38px; height: 38px; border-radius: 11px; box-shadow: 0 6px 16px rgba(255, 77, 106, .3); }
.brand-name { font-size: 19px; font-weight: 800; letter-spacing: .02em; }
.brand-sub { display: block; font-size: 11px; font-weight: 600; letter-spacing: .18em; color: var(--ink-4); text-transform: uppercase; line-height: 1; margin-top: 2px; }

.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-2);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color .16s, background .16s;
}
.main-nav a:hover { color: var(--brand-pink); background: rgba(255, 77, 106, .07); }
.main-nav a.is-active { color: var(--brand-pink); background: rgba(255, 77, 106, .1); }

.header-cta { flex: none; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--bg-soft);
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; stroke: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(1000px 520px at 88% -8%, rgba(108, 75, 255, .16), transparent 62%),
              radial-gradient(760px 460px at 6% 12%, rgba(255, 77, 106, .16), transparent 60%),
              linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%);
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(108, 75, 255, .10) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(700px 420px at 70% 30%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(700px 420px at 70% 30%, #000 0%, transparent 72%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 48px;
  align-items: center;
  padding-top: 66px;
  padding-bottom: 78px;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-s);
  padding: 7px 16px 7px 10px; border-radius: 999px;
  font-size: 13px; font-weight: 700; color: var(--ink-2);
  margin-bottom: 20px;
}
.hero-badge b { color: var(--brand-pink); }
.dot-live {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e; box-shadow: 0 0 0 4px rgba(34, 197, 94, .16);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgba(34, 197, 94, 0); } }

.hero h1 {
  font-size: clamp(32px, 5.4vw, 56px);
  letter-spacing: -.01em;
  margin-bottom: 6px;
}
.hero h1 .h1-a {
  display: block;
  font-size: .60em;
  letter-spacing: .08em;
  color: var(--ink-2);
  font-weight: 800;
  margin-bottom: 2px;
}
.hero h1 .h1-b {
  display: block;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-slogan {
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--ink-2);
  margin: 12px 0 14px;
}
.hero-desc { color: var(--ink-2); font-size: 16px; max-width: 560px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 26px; }

.hero-trust { display: flex; flex-wrap: wrap; gap: 10px 26px; }
.hero-trust li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-2); font-weight: 600; }
.hero-trust svg { width: 17px; height: 17px; flex: none; }

/* Hero 手机预览 */
.hero-phones { position: relative; min-height: 470px; }
.hero-phones .phone { position: absolute; width: 45%; top: 0; }
.hero-phones .phone:nth-child(1) { left: 2%; top: 46px; transform: rotate(-7deg); z-index: 1; }
.hero-phones .phone:nth-child(2) { right: 2%; top: 0; transform: rotate(6deg); z-index: 2; }

.phone {
  position: relative;
  border-radius: 30px;
  padding: 8px;
  background: linear-gradient(160deg, #2a2f45, #14172a);
  box-shadow: var(--shadow-l);
}
.phone img { border-radius: 23px; width: 100%; height: auto; }
.phone::before {
  content: "";
  position: absolute;
  top: 14px; left: 50%; transform: translateX(-50%);
  width: 30%; height: 4px; border-radius: 999px;
  background: rgba(255, 255, 255, .30);
  z-index: 3;
}

/* ---------- 数据条 ---------- */
.stat-band { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-cell { padding: 30px 18px; text-align: center; border-right: 1px solid var(--line); }
.stat-cell:last-child { border-right: 0; }
.stat-num { font-size: clamp(24px, 3.4vw, 34px); font-weight: 800; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.15; }
.stat-label { font-size: 14px; color: var(--ink-3); font-weight: 600; margin-top: 4px; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 26px 24px;
  box-shadow: var(--shadow-s);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); border-color: #ffd7de; }

.card-icon {
  width: 46px; height: 46px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.card-icon svg { width: 24px; height: 24px; }
.ic-pink { background: rgba(255, 77, 106, .11); color: #ff4d6a; }
.ic-purple { background: rgba(108, 75, 255, .11); color: #6c4bff; }
.ic-cyan { background: rgba(20, 201, 214, .13); color: #0ea9b5; }
.ic-yellow { background: rgba(255, 197, 61, .18); color: #d99400; }
.ic-green { background: rgba(34, 197, 94, .12); color: #16a34a; }
.ic-blue { background: rgba(56, 128, 255, .12); color: #2f6fe4; }

.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 截图展示 ---------- */
.shot-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: start;
}
.shot-item { text-align: center; }
.shot-item .phone { margin: 0 auto; }
.shot-item:nth-child(even) { margin-top: 30px; }
.shot-cap { font-size: 13.5px; color: var(--ink-3); font-weight: 600; margin-top: 14px; }

/* ---------- 深度内容入口 ---------- */
.entry-card {
  display: block;
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 30px 26px 26px;
  box-shadow: var(--shadow-s);
  transition: transform .2s, box-shadow .2s;
}
.entry-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-m); }
.entry-card::after {
  content: "";
  position: absolute; right: -46px; top: -46px;
  width: 128px; height: 128px; border-radius: 50%;
  background: var(--grad-soft);
}
.entry-tag {
  position: relative; z-index: 2;
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: var(--brand-purple); background: rgba(108, 75, 255, .1);
  padding: 4px 12px; border-radius: 999px; margin-bottom: 14px;
}
.entry-card h3 { position: relative; z-index: 2; font-size: 19px; margin-bottom: 8px; }
.entry-card p { position: relative; z-index: 2; font-size: 14.5px; color: var(--ink-2); margin-bottom: 16px; }
.entry-more { position: relative; z-index: 2; font-size: 14px; font-weight: 700; color: var(--brand-pink); display: inline-flex; align-items: center; gap: 6px; }
.entry-more svg { width: 15px; height: 15px; transition: transform .2s; }
.entry-card:hover .entry-more svg { transform: translateX(4px); }

/* ---------- 步骤 ---------- */
.steps { display: grid; gap: 16px; }
.step {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 22px 24px;
  box-shadow: var(--shadow-s);
}
.step-no {
  width: 44px; height: 44px; border-radius: 14px;
  background: var(--grad-main); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px;
  box-shadow: 0 8px 18px rgba(255, 77, 106, .28);
}
.step h3 { font-size: 17.5px; margin-bottom: 6px; }
.step p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 功能详解（内页） ---------- */
.feature-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 32px 30px;
  box-shadow: var(--shadow-s);
  margin-bottom: 20px;
}
.feature-block h3 { font-size: 21px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.feature-block h3 .fmtag {
  font-size: 12px; font-weight: 700; color: #fff;
  background: var(--grad-main); padding: 3px 10px; border-radius: 999px;
  letter-spacing: .06em;
}
.feature-block p { color: var(--ink-2); font-size: 15px; margin-bottom: 12px; }
.feature-block ul.tick { display: grid; gap: 8px; }
.feature-block ul.tick li { position: relative; padding-left: 26px; font-size: 14.5px; color: var(--ink-2); }
.feature-block ul.tick li::before {
  content: "";
  position: absolute; left: 2px; top: 9px;
  width: 14px; height: 8px;
  border-left: 2.4px solid var(--brand-pink);
  border-bottom: 2.4px solid var(--brand-pink);
  transform: rotate(-45deg);
}

/* ---------- 分类 / 标签云 ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-size: 14px; font-weight: 600; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line);
  padding: 8px 18px; border-radius: 999px;
  transition: all .16s;
}
.chip:hover { color: #fff; background: var(--grad-main); border-color: transparent; transform: translateY(-2px); }

/* ---------- FAQ 手风琴 ---------- */
.faq-list { display: grid; gap: 12px; max-width: 900px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-item[open] { border-color: #ffd7de; box-shadow: var(--shadow-m); }
.faq-q {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 18px 22px;
  font-size: 16px; font-weight: 700; color: var(--ink);
  cursor: pointer; list-style: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q .qi {
  flex: none;
  width: 24px; height: 24px; border-radius: 8px;
  background: rgba(255, 77, 106, .1); color: var(--brand-pink);
  font-size: 12px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.faq-q .caret { margin-left: auto; flex: none; width: 18px; height: 18px; transition: transform .22s; color: var(--ink-4); }
.faq-item[open] .caret { transform: rotate(180deg); }
.faq-a { padding: 0 22px 20px 58px; font-size: 14.8px; color: var(--ink-2); }
.faq-a a { color: var(--brand-pink); font-weight: 700; border-bottom: 1px dashed rgba(255, 77, 106, .5); }
.faq-a p + p { margin-top: 10px; }

/* ---------- 评价 ---------- */
.quote {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 26px 24px;
  box-shadow: var(--shadow-s);
  display: flex; flex-direction: column;
}
.quote .stars { color: var(--brand-yellow); font-size: 15px; letter-spacing: 2px; margin-bottom: 12px; }
.quote p { font-size: 15px; color: var(--ink-2); flex: 1; }
.quote .who { display: flex; align-items: center; gap: 11px; margin-top: 18px; }
.avatar {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 15px;
  background: var(--grad-main); flex: none;
}
.avatar.c2 { background: linear-gradient(135deg, #14c9d6, #2f6fe4); }
.avatar.c3 { background: linear-gradient(135deg, #ffc53d, #ff7a45); }
.avatar.c4 { background: linear-gradient(135deg, #8b5cf6, #d946ef); }
.quote .who b { font-size: 14.5px; display: block; }
.quote .who span { font-size: 12.5px; color: var(--ink-4); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--grad-main);
  border-radius: var(--radius-xl);
  padding: 52px 44px;
  color: #fff;
  text-align: center;
  box-shadow: 0 26px 60px rgba(108, 75, 255, .3);
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .22) 1.4px, transparent 1.4px);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, #000, transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 78%);
}
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; font-size: clamp(23px, 3.4vw, 34px); margin-bottom: 10px; }
.cta-band p { color: rgba(255, 255, 255, .9); font-size: 16px; max-width: 640px; margin: 0 auto 26px; }
.btn-white { background: #fff; color: var(--brand-pink); box-shadow: 0 14px 30px rgba(0, 0, 0, .16); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 20px 40px rgba(0, 0, 0, .22); }
.cta-note { font-size: 13px; color: rgba(255, 255, 255, .82); margin-top: 16px; }

/* ---------- 内页头部 ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(820px 360px at 82% -20%, rgba(108, 75, 255, .16), transparent 62%),
              radial-gradient(600px 320px at 10% 6%, rgba(255, 77, 106, .14), transparent 60%),
              linear-gradient(180deg, #fff, var(--bg-soft));
  padding: 46px 0 52px;
  border-bottom: 1px solid var(--line);
}
.crumb { font-size: 13.5px; color: var(--ink-3); margin-bottom: 16px; }
.crumb a { color: var(--ink-2); font-weight: 600; }
.crumb a:hover { color: var(--brand-pink); }
.crumb span { margin: 0 8px; color: var(--ink-4); }
.page-hero h1 { font-size: clamp(25px, 4vw, 39px); margin-bottom: 12px; }
.page-hero .lead { color: var(--ink-2); font-size: 16.5px; max-width: 780px; }
.page-hero .meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 18px; font-size: 13.5px; color: var(--ink-3); }
.page-hero .meta b { color: var(--brand-pink); }

/* ---------- 正文排版（内页） ---------- */
.prose { font-size: 16px; color: var(--ink-2); }
.prose > * + * { margin-top: 16px; }
.prose h2 { font-size: 24px; color: var(--ink); margin-top: 42px; }
.prose h3 { font-size: 19px; color: var(--ink); margin-top: 28px; }
.prose p { line-height: 1.9; }
.prose strong { color: var(--ink); }
.prose a.inlink { color: var(--brand-pink); font-weight: 700; border-bottom: 1px dashed rgba(255, 77, 106, .5); }
.prose a.inlink:hover { border-bottom-style: solid; }
.prose ul.bullet { display: grid; gap: 10px; }
.prose ul.bullet li { position: relative; padding-left: 22px; }
.prose ul.bullet li::before {
  content: ""; position: absolute; left: 4px; top: 11px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--grad-main);
}
.callout {
  background: var(--grad-soft);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand-pink);
  border-radius: var(--radius-s);
  padding: 18px 22px;
  font-size: 15px;
}
.two-col { display: grid; grid-template-columns: 268px 1fr; gap: 42px; align-items: start; }

.toc {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-m); padding: 22px 24px;
  box-shadow: var(--shadow-s);
}
.toc h2 { font-size: 16px !important; margin: 0 0 12px !important; letter-spacing: .02em; }
.toc ol { counter-reset: t; display: grid; gap: 8px; }
.toc li { counter-increment: t; font-size: 14.5px; }
.toc li a { color: var(--ink-2); display: flex; gap: 9px; }
.toc li a::before { content: counter(t, decimal-leading-zero); color: var(--brand-pink); font-weight: 800; font-size: 12px; margin-top: 3px; }
.toc li a:hover { color: var(--brand-pink); }

/* ---------- 相关推荐 ---------- */
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.rel-card {
  display: flex; gap: 14px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-m); padding: 18px 20px;
  box-shadow: var(--shadow-s); transition: all .18s;
}
.rel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); border-color: #ffd7de; }
.rel-ico { width: 40px; height: 40px; border-radius: 12px; flex: none; display: flex; align-items: center; justify-content: center; }
.rel-ico svg { width: 21px; height: 21px; }
.rel-card h3 { font-size: 15.5px; margin-bottom: 4px; }
.rel-card p { font-size: 13.5px; color: var(--ink-3); }

/* ---------- 底部 ---------- */
.site-footer {
  background: #12162a;
  color: #b9bed6;
  padding: 56px 0 26px;
  margin-top: 0;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 34px; }
.footer-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.footer-brand img { width: 38px; height: 38px; border-radius: 11px; }
.footer-brand b { color: #fff; font-size: 18px; font-weight: 800; }
.site-footer p { font-size: 13.8px; line-height: 1.85; color: #9aa1bd; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer-col ul { display: grid; gap: 9px; }
.footer-col a { font-size: 13.8px; color: #9aa1bd; }
.footer-col a:hover { color: #fff; }
.footer-dl {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--grad-main); color: #fff; font-weight: 700; font-size: 14px;
  padding: 11px 22px; border-radius: 999px; margin-top: 6px;
}
.disclaimer {
  margin-top: 38px; padding: 18px 20px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: var(--radius-s);
  font-size: 13.2px; line-height: 1.8; color: #9299b6;
}
.disclaimer b { color: #cfd4e8; }
.copyright {
  margin-top: 22px; padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .09);
  font-size: 13px; color: #838aa8;
  display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between;
}

/* ---------- 悬浮下载条 ---------- */
.float-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
  display: none;
  align-items: center; gap: 12px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
}
.float-bar .fb-txt { flex: 1; min-width: 0; }
.float-bar .fb-txt b { display: block; font-size: 14.5px; }
.float-bar .fb-txt span { font-size: 11.5px; color: var(--ink-3); }

/* 返回顶部 */
.to-top {
  position: fixed; right: 18px; bottom: 22px; z-index: 70;
  width: 44px; height: 44px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-m);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .22s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top svg { width: 20px; height: 20px; stroke: var(--brand-pink); }

/* ---------- 滚动入场（渐进增强：仅有 JS 时才隐藏） ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); }
.js .reveal.in { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s ease; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 34px; padding-top: 46px; padding-bottom: 60px; }
  .hero-phones { width: 100%; max-width: 540px; margin: 0 auto; min-height: 470px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .shot-rail { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 860px) {
  body { padding-bottom: 68px; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; padding: 14px 18px 22px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-m);
    transform: translateY(-130%); transition: transform .28s ease;
    margin-left: 0;
  }
  .main-nav.open { transform: none; }
  .main-nav a { padding: 13px 14px; font-size: 16px; }
  .nav-toggle { display: flex; margin-left: auto; }
  .header-cta { display: none; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 22px; }
  .rel-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-cell:nth-child(2) { border-right: 0; }
  .stat-cell:nth-child(1), .stat-cell:nth-child(2) { border-bottom: 1px solid var(--line); }
  .float-bar { display: flex; }
  .to-top { bottom: 78px; }
  .section { padding: 56px 0; }
  .cta-band { padding: 40px 24px; }
}

@media (max-width: 620px) {
  .shot-rail { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .shot-item:nth-child(even) { margin-top: 18px; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-phones { min-height: 336px; }
  .brand-sub { display: none; }
  .step { grid-template-columns: 44px 1fr; padding: 18px; gap: 13px; }
  .step-no { width: 38px; height: 38px; font-size: 16px; }
  .faq-a { padding-left: 22px; }
  .prose h2 { font-size: 21px; }
}