@import url("vendor/fonts/newsreader-v5.0.20-500.css");
@import url("vendor/fonts/newsreader-v5.0.20-600.css");
@import url("vendor/fonts/outfit-v5.3.0-500.css");
@import url("vendor/fonts/outfit-v5.3.0-700.css");

/* 主张网 · 图像叙事风 —— 暖白纸面 / 墨黑 / 深绿单强调 / 图像主导 */
:root {
  --paper: #FAF8F4;
  --paper-2: #F3EEE4;
  --card: #FFFEFB;
  --ink: #1A1A18;
  --ink-2: #3E3B33;
  --muted: #6F6A5E;
  --line: #E5E0D6;
  --line-2: #D5CEBD;
  --accent: #2F5D50;
  --accent-soft: rgba(47, 93, 80, 0.08);
  --accent-line: rgba(47, 93, 80, 0.28);
  --serif: "Newsreader", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --label: "Outfit", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.25; margin: 0; }
p { margin: 0; }
a { color: inherit; }
img { max-width: 100%; }
b, strong { font-weight: 600; }
::selection { background: rgba(47, 93, 80, 0.18); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── 顶栏 ── */
.topbar { border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--muted); background: var(--paper); }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 8px; padding-bottom: 8px; }
.topbar b { color: var(--ink); font-weight: 600; }
.topbar .tel { color: var(--accent); text-decoration: none; font-weight: 500; }
.topbar .tel:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ── 导航 ── */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(250, 248, 244, 0.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 66px; position: relative; }
.logo { display: flex; align-items: center; gap: 11px; text-decoration: none; font-family: var(--serif); font-weight: 600; font-size: 1.12rem; letter-spacing: 0.01em; }
.logo small { display: block; font-family: var(--label); font-size: 10px; font-weight: 500; letter-spacing: 0.28em; color: var(--muted); margin-top: 1px; }
.mark-img { width: 38px; height: 38px; border-radius: 9px; flex: none; filter: hue-rotate(140deg) saturate(0.72) brightness(0.94); }
.links { display: flex; align-items: center; gap: 22px; }
.links a { font-size: 13.5px; text-decoration: none; color: var(--ink-2); padding: 4px 0; transition: color 0.3s ease; }
.links a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }
.links a.active { color: var(--accent); font-weight: 600; }
.menu-btn { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: transparent; border-radius: 10px; cursor: pointer; padding: 0; }
.menu-btn span { display: block; width: 18px; height: 1.6px; background: var(--ink); margin: 3.6px auto; border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.2px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.2px) rotate(-45deg); }

/* ── 按钮 ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--label); font-size: 15px; font-weight: 500; letter-spacing: 0.02em; text-decoration: none; cursor: pointer; border: 1px solid var(--ink); border-radius: 10px; padding: 12px 26px; background: var(--ink); color: var(--paper); transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, transform 0.3s ease; }
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-1px); }
.btn.lg { padding: 15px 30px; font-size: 15.5px; }
.btn.sm { padding: 8px 16px; font-size: 13px; border-radius: 9px; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn.ghost:hover { background: transparent; border-color: var(--ink); color: var(--ink); }

/* ── Hero：文字列 + 注入大图 ── */
.hero { position: relative; overflow: hidden; }
.hero .container { position: relative; padding-top: 68px; padding-bottom: 76px; min-height: 560px; }
.hero .inner { max-width: 55%; position: relative; z-index: 1; }
.hero-fig { position: absolute; top: 62px; right: 24px; bottom: 66px; width: 42%; margin: 0; border-radius: 14px; overflow: hidden; background: var(--paper-2); box-shadow: 0 24px 60px -30px rgba(26, 26, 24, 0.35); animation: figIn 0.9s ease 0.15s both; }
.hero-fig img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.3s ease; }
.hero-fig:hover img { transform: scale(1.02); }
@keyframes figIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.hero .inner > * { animation: riseIn 0.7s ease both; }
.hero .inner > :nth-child(1) { animation-delay: 0.05s; }
.hero .inner > :nth-child(2) { animation-delay: 0.12s; }
.hero .inner > :nth-child(3) { animation-delay: 0.19s; }
.hero .inner > :nth-child(4) { animation-delay: 0.26s; }
.hero .inner > :nth-child(5) { animation-delay: 0.33s; }
@keyframes riseIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.quality { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 500; color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: 999px; padding: 6px 14px; }
.eyebrow { display: inline-block; font-family: var(--label); font-size: 11px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); }
.hero h1 { font-size: clamp(2.05rem, 4.3vw, 3.3rem); font-weight: 600; letter-spacing: -0.01em; line-height: 1.2; margin: 22px 0 18px; }
.accent { color: var(--accent); }
.hero .sub { font-size: 1.02rem; line-height: 1.9; color: var(--ink-2); max-width: 56ch; }
.actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 30px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 36px; }
.pills a { font-size: 13px; color: var(--ink-2); text-decoration: none; border: 1px solid var(--line); border-radius: 999px; padding: 7px 15px; transition: border-color 0.3s ease, color 0.3s ease; }
.pills a:hover { border-color: var(--accent); color: var(--accent); }
.trustrow { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 28px; font-size: 13.5px; color: var(--muted); }
.trustrow .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-right: 8px; vertical-align: 1px; }

/* ── 区块骨架 ── */
.section { padding: 92px 0; }
.section.tinted { background: var(--paper-2); }
.eyebrow { margin-bottom: 0; }
.section .eyebrow { display: block; margin-bottom: 16px; }
.h2 { font-size: clamp(1.55rem, 2.9vw, 2.25rem); letter-spacing: -0.01em; margin-bottom: 14px; }
.lede { font-size: 1.04rem; color: var(--muted); line-height: 1.9; max-width: 64ch; }

/* ── 图像叙事区块（JS 注入大图 + caption）── */
.story-fig { margin: 0 0 40px; }
.story-fig .ph { display: block; border-radius: 14px; overflow: hidden; background: var(--paper-2); }
.story-fig img { display: block; width: 100%; aspect-ratio: 21 / 9; object-fit: cover; transition: transform 0.3s ease; }
.story-fig:hover img { transform: scale(1.02); }
.story-fig figcaption { margin-top: 10px; font-size: 12.5px; color: var(--muted); letter-spacing: 0.02em; }

/* ── 网格 ── */
.grid { display: grid; gap: 20px; }
.grid.c2 { grid-template-columns: repeat(2, 1fr); column-gap: 52px; }
.grid.c3 { grid-template-columns: repeat(3, 1fr); column-gap: 44px; }

/* ── 首页四功能：无卡片，细线编辑式列表 ── */
.feature { display: block; text-decoration: none; padding: 26px 2px 30px; border-top: 1px solid var(--line-2); transition: transform 0.3s ease; }
.feature h3 { font-size: 1.28rem; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.feature h3::after { content: "→"; font-family: var(--label); font-weight: 500; font-size: 1.05rem; color: var(--muted); transition: transform 0.3s ease, color 0.3s ease; }
.feature p { font-size: 14.5px; line-height: 1.85; color: var(--muted); margin: 10px 0 14px; max-width: 46ch; }
.feature .go { font-size: 13.5px; font-weight: 500; color: var(--accent); }
.feature:hover { transform: translateY(-2px); }
.feature:hover h3::after { color: var(--accent); transform: translateX(4px); }

/* ── 服务与指南：细线分栏 ── */
.hub-card { display: block; text-decoration: none; padding: 22px 2px 28px; border-top: 1px solid var(--line); }
.hub-card .tag { margin-bottom: 14px; }
.hub-card h3 { font-size: 1.14rem; margin-bottom: 8px; transition: color 0.3s ease; }
.hub-card p { font-size: 13.8px; line-height: 1.8; color: var(--muted); }
.hub-card:hover h3 { color: var(--accent); }

/* ── 标签 ── */
.tag { display: inline-block; font-family: var(--label); font-size: 11px; font-weight: 600; letter-spacing: 0.13em; text-transform: uppercase; padding: 4px 10px; border-radius: 5px; }
.t-brand { background: var(--accent-soft); color: var(--accent); }
.t-green { background: rgba(26, 26, 24, 0.06); color: var(--ink-2); }
.t-navy { background: rgba(26, 26, 24, 0.06); color: var(--ink-2); }
.t-amber { background: rgba(150, 104, 44, 0.11); color: #8A5F27; }
.tag2 { font-size: 12px; color: var(--muted); }

/* ── 使命宣言：墨黑叙事带 + 评价轮播 ── */
.mission { background: var(--ink); color: var(--paper); padding: 96px max(24px, calc(50% - 576px)); }
.mission h2 { font-weight: 500; font-size: clamp(1.45rem, 2.7vw, 2.15rem); line-height: 1.45; max-width: 27em; }
.mission > p { margin-top: 18px; font-size: 15px; line-height: 1.95; color: rgba(250, 248, 244, 0.62); max-width: 62ch; }
.quotes { margin-top: 46px; border-top: 1px solid rgba(250, 248, 244, 0.14); padding-top: 36px; }
.q-slide { display: none; margin: 0; }
.q-slide.is-active { display: block; animation: qIn 0.5s ease; }
@keyframes qIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.q-slide p { font-size: clamp(1.05rem, 1.8vw, 1.3rem); line-height: 1.85; color: var(--paper); max-width: 34em; }
.q-slide cite { display: block; margin-top: 16px; font-style: normal; font-size: 13px; color: rgba(250, 248, 244, 0.48); }
.q-dots { display: flex; gap: 8px; margin-top: 28px; }
.q-dot { width: 24px; height: 2px; padding: 0; border: 0; border-radius: 0; background: rgba(250, 248, 244, 0.22); cursor: pointer; transition: background-color 0.3s ease; }
.q-dot.is-active { background: var(--paper); }

/* ── 数字条 ── */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 6px 30px; border-left: 1px solid var(--line-2); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b { display: block; font-family: var(--label); font-weight: 700; font-size: clamp(2.1rem, 3.8vw, 3.1rem); line-height: 1.15; letter-spacing: -0.01em; }
.stat span { font-size: 13.5px; color: var(--muted); }

/* ── 步骤 ── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; }
.stepcard { border-top: 1px solid var(--line-2); padding-top: 24px; }
.stepcard .num { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; margin-bottom: 18px; border: 1px solid var(--accent-line); border-radius: 50%; font-family: var(--label); font-size: 15px; font-weight: 600; color: var(--accent); }
.stepcard h3 { font-size: 1.14rem; margin-bottom: 9px; }
.stepcard p { font-size: 14px; line-height: 1.85; color: var(--muted); }

/* ── 路线：细线悬挂编号 ── */
.routelist { margin-top: 14px; }
.routecard { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 30px; padding: 46px 0; border-top: 1px solid var(--line); }
.routecard > .num { font-family: var(--serif); font-weight: 500; font-size: 2.7rem; line-height: 1; color: var(--accent); }
.routecard h3 { font-size: 1.32rem; margin-bottom: 12px; }
.routecard p { font-size: 15px; line-height: 1.9; color: var(--ink-2); max-width: 66ch; margin-bottom: 8px; }
.routecard ul { list-style: none; margin: 12px 0 16px; padding: 0; max-width: 70ch; }
.routecard li { position: relative; padding: 10px 0 10px 24px; font-size: 14.5px; line-height: 1.85; color: var(--ink-2); border-top: 1px solid var(--line); }
.routecard li::before { content: ""; position: absolute; left: 3px; top: 20px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); opacity: 0.55; }
.more { display: block; margin-top: 14px; }
.more a { font-size: 14px; font-weight: 500; color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-line); padding-bottom: 2px; transition: border-color 0.3s ease; }
.more a:hover { border-color: var(--accent); }

/* ── 案例与提示 ── */
.realcase { background: var(--card); border: 1px solid var(--line); border-left: 2px solid var(--accent); border-radius: 0 12px 12px 0; padding: 18px 22px; margin: 18px 0; font-size: 14px; line-height: 1.9; color: var(--ink-2); }
.realcase .lbl { font-weight: 600; color: var(--ink); }
.vsrc { display: block; margin-top: 8px; font-size: 12px; line-height: 1.7; color: var(--muted); }
.vnote { display: block; margin-top: 10px; font-size: 13px; line-height: 1.8; color: var(--muted); }
.boundary { background: var(--card); border: 1px solid var(--line); border-left: 2px solid var(--ink); border-radius: 0 12px 12px 0; padding: 16px 20px; margin: 14px 0; font-size: 13.8px; line-height: 1.85; color: var(--ink-2); }

/* ── 期限条 ── */
.deadline { background: var(--paper-2); border: 1px solid var(--line); border-radius: 14px; padding: 30px 34px; margin: 28px auto; }
.deadline h3 { font-size: 1.16rem; margin-bottom: 12px; }
.deadline p { margin: 0; font-size: 14.5px; line-height: 2.1; color: var(--ink-2); }

/* ── 卡片（模板/服务：内容本身即交互）── */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 26px 28px; transition: border-color 0.3s ease; }
.card:hover { border-color: var(--line-2); }
.card h3 { font-size: 1.15rem; margin: 12px 0 10px; }
.card > p { font-size: 14px; line-height: 1.85; color: var(--ink-2); }

/* ── 模板 details ── */
.tpl { border-top: 1px solid var(--line); margin-top: 16px; }
.tpl summary { display: flex; align-items: center; gap: 10px; list-style: none; cursor: pointer; padding: 14px 0; font-size: 14.5px; font-weight: 500; color: var(--ink); }
.tpl summary::-webkit-details-marker { display: none; }
.tpl summary::after { content: "+"; margin-left: auto; font-family: var(--label); font-size: 19px; font-weight: 500; color: var(--muted); transition: transform 0.3s ease; }
.tpl[open] summary::after { transform: rotate(45deg); }
.free { font-size: 11px; font-weight: 600; color: var(--accent); border: 1px solid var(--accent-line); border-radius: 999px; padding: 2px 9px; }
.tpl-body { padding-bottom: 8px; }
.tpl-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.copybtn { font-family: var(--label); font-size: 12.5px; font-weight: 600; letter-spacing: 0.02em; padding: 7px 15px; border-radius: 8px; border: 1px solid var(--ink); background: var(--ink); color: var(--paper); cursor: pointer; transition: background-color 0.3s ease, border-color 0.3s ease; }
.copybtn:hover { background: var(--accent); border-color: var(--accent); }
.tpl pre { max-height: 340px; overflow: auto; margin: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; font-family: var(--sans); font-size: 12.8px; line-height: 1.8; white-space: pre-wrap; word-break: break-all; color: var(--ink-2); }
.assist { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 16px; font-size: 13.5px; color: var(--muted); }

/* ── FAQ ── */
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; list-style: none; cursor: pointer; padding: 21px 40px 21px 0; font-family: var(--serif); font-size: 1.04rem; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-family: var(--label); font-size: 20px; font-weight: 500; color: var(--accent); transition: transform 0.3s ease; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq .a { padding: 0 44px 24px 0; font-size: 14.5px; line-height: 1.95; color: var(--ink-2); }

/* ── CTA：唯一的深绿大面 ── */
.bigcta { background: var(--accent); color: var(--paper); text-align: center; padding: 94px max(24px, calc(50% - 576px)); }
.bigcta h2 { font-size: clamp(1.7rem, 3.1vw, 2.45rem); letter-spacing: -0.01em; }
.bigcta > p { max-width: 58ch; margin: 18px auto 0; font-size: 15.5px; line-height: 1.9; color: rgba(250, 248, 244, 0.82); }
.bigcta .btn { background: var(--paper); border-color: var(--paper); color: var(--ink); }
.bigcta .btn:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); transform: translateY(-1px); }
.bigcta .hint { margin-top: 24px; font-size: 13px; color: rgba(250, 248, 244, 0.62); }

/* ── 页脚 ── */
footer { background: var(--paper); border-top: 1px solid var(--line); padding: 58px 0 42px; }
footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.25fr; gap: 38px; }
.brandline { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-weight: 600; font-size: 1.06rem; margin-bottom: 14px; }
footer h4 { font-family: var(--label); font-size: 11.5px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
footer .cols a { display: block; padding: 5px 0; font-size: 14px; color: var(--ink-2); text-decoration: none; transition: color 0.3s ease; }
footer .cols a:hover { color: var(--accent); }
.legal { border-top: 1px solid var(--line); margin-top: 42px; padding-top: 22px; font-size: 12.5px; line-height: 2; color: var(--muted); }
.legal a { color: inherit; }
.legal a:hover { color: var(--accent); }

/* ── 浮层 ── */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 14px); z-index: 99; background: var(--ink); color: var(--paper); font-size: 13.5px; padding: 11px 20px; border-radius: 10px; opacity: 0; pointer-events: none; transition: opacity 0.3s ease, transform 0.3s ease; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.totop { position: fixed; right: 22px; bottom: 26px; z-index: 60; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 15px; cursor: pointer; opacity: 0; pointer-events: none; box-shadow: 0 8px 22px -10px rgba(26, 26, 24, 0.28); transition: opacity 0.3s ease, border-color 0.3s ease, color 0.3s ease, transform 0.3s ease; }
.totop.show { opacity: 1; pointer-events: auto; }
.totop:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ── 滚动淡入 ── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ── 响应式 ── */
@media (max-width: 1080px) {
  .links { display: none; }
  .links.open { display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px 24px 20px; box-shadow: 0 24px 40px -28px rgba(26, 26, 24, 0.25); }
  .links.open a { padding: 12px 0; font-size: 15px; border-top: 1px solid var(--line); }
  .links.open a:first-child { border-top: 0; }
  .menu-btn { display: block; flex: none; }
  .grid.c3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .section { padding: 64px 0; }
  .hero .container { min-height: 0; padding-top: 44px; padding-bottom: 44px; }
  .hero .inner { max-width: 100%; }
  .hero-fig { position: static; width: 100%; height: 42vh; margin-top: 34px; animation: figIn 0.9s ease 0.15s both; }
  .grid.c2, .grid.c3 { grid-template-columns: 1fr; column-gap: 20px; }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .routecard { grid-template-columns: 1fr; gap: 12px; padding: 36px 0; }
  .routecard > .num { font-size: 2.1rem; }
  footer .cols { grid-template-columns: repeat(2, 1fr); }
  .story-fig { margin-bottom: 30px; }
  .story-fig img { aspect-ratio: 16 / 9; }
}

@media (max-width: 600px) {
  .topbar .container div:last-child { display: none; }
  .container { padding: 0 18px; }
  .hero .container { padding-top: 34px; }
  .hero-fig { height: 42vh; border-radius: 12px; }
  .actions { flex-direction: column; align-items: stretch; margin-top: 26px; }
  .actions .btn { width: 100%; }
  .pills { margin-top: 28px; }
  .deadline { padding: 24px 20px; }
  .card { padding: 22px 20px; }
  .faq .a { padding-right: 20px; }
  .bigcta { padding-top: 64px; padding-bottom: 64px; }
  .mission { padding-top: 64px; padding-bottom: 64px; }
  footer .cols { grid-template-columns: 1fr; gap: 26px; }
  .totop { right: 16px; bottom: 18px; }
  .story-fig img { aspect-ratio: 4 / 3; }
}

/* ── 动效停用 ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .hero-fig img { transform: none; }
}