/* ==========================================================
   LUMOO 智能座椅官网 — 主题样式
   参考 lumoo.cc：暖灰底 #e9e9e4 / 橙 #f76616 / 近黑 #080808
   ========================================================== */

:root {
  /* 主题色（取自参考站 Shopify 主题变量） */
  --bg: #e9e9e4;
  --bg-dim: #deded6;
  --panel: #f9f9f9;
  --panel-2: #f2f2ee;
  --grey: #dcdcd6;
  --ink: #080808;
  --ink-2: #111111;
  --muted: #6e6e68;
  --line: #bfbebe;
  --line-soft: #d8d8d2;

  --orange: #f76616;
  --orange-d: #eb5908;
  --orange-l: #ff8a3d;
  --yellow: #fce44d;

  --footer-bg: #080808;
  --footer-text: #f9f9f9;

  --radius: 12px;
  --radius-lg: 16px;
  --btn-radius: 120px;
  --shadow: 0 12px 34px rgba(8, 8, 8, .12);
  --shadow-lg: 0 22px 60px rgba(8, 8, 8, .18);
  --maxw: 1300px;
  --maxw-narrow: 940px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --header-h: 88px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

::selection { background: var(--orange); color: #fff; }

/* ---------- 容器 ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 30px; }
.wrap--narrow { max-width: var(--maxw-narrow); }
.section { padding: 64px 0; position: relative; }
.section--tight { padding: 40px 0; }
.divider { border-top: 1px solid var(--line); padding-top: 34px; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.16; letter-spacing: -.01em; }
.h1 { font-size: clamp(30px, 3.6vw, 44px); }
.h2 { font-size: clamp(26px, 3vw, 36px); }
.h3 { font-size: 20px; }
.upper { text-transform: uppercase; }
.center { text-align: center; }
.lead { font-size: 17px; color: var(--muted); max-width: 620px; }
.center .lead { margin-left: auto; margin-right: auto; }
.section-head { margin-bottom: 34px; }
.section-head h2 { font-size: 32px; text-transform: uppercase; color: #000; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 34px; border-radius: var(--btn-radius);
  background: var(--orange); color: #080808;
  font-weight: 700; font-size: 16px; letter-spacing: .01em;
  border: 2px solid var(--orange);
  transition: background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
  white-space: nowrap;
}
.btn:hover { background: var(--orange-d); border-color: var(--orange-d); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(247, 102, 22, .32); }
.btn--inverse { background: #f9f9f9; border-color: #f9f9f9; color: #080808; }
.btn--inverse:hover { background: #fff; border-color: #fff; box-shadow: 0 10px 24px rgba(0, 0, 0, .28); }
.btn--outline { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn--outline:hover { background: var(--ink); color: #fff; }
.btn--sm { padding: 10px 22px; font-size: 14px; }
.btn .arw { width: 22px; height: 12px; }
.link-more { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--orange-d); }
.link-more:hover { gap: 14px; }

/* ---------- 头部 ---------- */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 0%; background: var(--orange); z-index: 120; transition: width .1s linear; }

.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  background: transparent; border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
  color: #fff;
}
.header.is-scrolled { background: var(--bg); color: var(--ink); border-bottom-color: var(--line); box-shadow: 0 4px 18px rgba(8, 8, 8, .06); }
body:not(.has-hero) .header { background: var(--bg); color: var(--ink); border-bottom: 1px solid var(--line); }

.header__in { max-width: var(--maxw); margin: 0 auto; padding: 0 30px; height: 100%; display: flex; align-items: center; gap: 20px; }
.header__logo { flex: 0 0 200px; display: flex; align-items: center; gap: 10px; }
.header__logo img { width: 42px; height: 42px; object-fit: contain; }
.header__logo b { font-size: 19px; letter-spacing: .12em; font-weight: 800; }
.header__logo span { display: block; font-size: 10px; letter-spacing: .28em; opacity: .7; font-weight: 600; }

.nav { display: flex; align-items: center; gap: 4px; margin: 0 auto; }
.nav a { padding: 10px 20px; font-size: 16px; font-weight: 600; border-radius: 6px; transition: color .2s, background .2s; opacity: .92; }
.nav a:hover { background: rgba(255, 255, 255, .14); }
.header.is-scrolled .nav a:hover, body:not(.has-hero) .nav a:hover { background: rgba(8, 8, 8, .06); }
.nav a.is-active { color: var(--orange); }

.header__icons { flex: 0 0 200px; display: flex; align-items: center; justify-content: flex-end; gap: 4px; }
@media (min-width: 1101px) { .header__icons { display: none; } }
.icon-btn { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; transition: background .2s, color .2s; }
.icon-btn:hover { background: rgba(255, 255, 255, .16); }
.header.is-scrolled .icon-btn:hover, body:not(.has-hero) .icon-btn:hover { background: rgba(8, 8, 8, .06); }
.icon-btn svg { width: 20px; height: 20px; }
.cart { position: relative; }
.cart b, .cart > span:last-child {
  position: absolute; top: 4px; right: 2px; min-width: 17px; height: 17px; padding: 0 4px;
  border-radius: 999px; background: var(--orange); color: #111;
  font-size: 11px; font-weight: 700; display: grid; place-items: center;
}
.burger { display: none; }

/* 抽屉 */
.drawer {
  position: fixed; inset: 0 0 0 auto; width: min(420px, 88vw); z-index: 130;
  background: var(--ink-2); color: #f9f9f9; transform: translateX(100%);
  transition: transform .35s var(--ease); padding: 88px 30px 40px; overflow-y: auto;
}
.drawer.is-open { transform: none; }
.drawer a { display: block; padding: 15px 0; font-size: 18px; font-weight: 700; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.drawer__close { position: absolute; top: 24px; right: 24px; width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .25); display: grid; place-items: center; color: #fff; }
.drawer__mask { position: fixed; inset: 0; background: rgba(8, 8, 8, .5); z-index: 125; opacity: 0; pointer-events: none; transition: opacity .3s; }
.drawer__mask.is-open { opacity: 1; pointer-events: auto; }
.drawer .socials { margin-top: 26px; }

/* ---------- 首屏（100vh 视频/大图） ---------- */
.hero {
  position: relative; height: 100vh; min-height: 620px;
  display: grid; place-items: center; overflow: hidden;
  background: #111 url("../img/hero.jpg") center / cover no-repeat;
}
.hero__media { position: absolute; inset: 0; }
.hero__media img, .hero__media video { width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 0, 0, .38), rgba(0, 0, 0, .18) 45%, rgba(0, 0, 0, .5)); }
.hero__inner { position: relative; z-index: 3; text-align: center; color: #fff; padding: 0 30px; }
.hero__title {
  font-size: clamp(38px, 6.6vw, 84px); font-weight: 800; line-height: 1.06;
  letter-spacing: .01em; text-transform: uppercase; text-shadow: 0 6px 30px rgba(0, 0, 0, .35);
}
.hero__sub { margin: 20px auto 34px; font-size: clamp(15px, 1.5vw, 19px); color: rgba(255, 255, 255, .86); max-width: 640px; }
.hero__scroll { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 3; color: #fff; opacity: .8; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; }

/* 内页头部 */
.page-hero { padding: calc(var(--header-h) + 54px) 0 34px; }
.page-hero .wrap--narrow { text-align: center; }
.page-hero h1 { margin: 14px 0 16px; }

/* ---------- 视频区块 ---------- */
.video-frame { position: relative; border-radius: var(--radius); overflow: hidden; background: #111; box-shadow: var(--shadow-lg); }
.video-frame video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.video-toggle {
  position: absolute; right: 16px; bottom: 16px; width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255, 255, 255, .9); color: #080808; display: grid; place-items: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .3); transition: transform .25s var(--ease);
}
.video-toggle:hover { transform: scale(1.08); }
.video-toggle svg { width: 18px; height: 18px; }
.video-toggle .i-pause { display: none; }
.video-frame.is-playing .video-toggle .i-pause { display: block; }
.video-frame.is-playing .video-toggle .i-play { display: none; }

/* ---------- 轮播 ---------- */
.slider { position: relative; }
.slider__track {
  display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; padding-bottom: 8px; scrollbar-width: none;
}
.slider__track::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 calc((100% - 40px) / 3); scroll-snap-align: start; }
.vcard { background: var(--grey); border-radius: var(--radius); padding: 10px; display: flex; flex-direction: column; gap: 14px; height: 100%; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.vcard:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.vcard__media { position: relative; border-radius: 10px; overflow: hidden; background: #c9c9c3; }
.vcard__media video, .vcard__media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.vcard__badge { position: absolute; left: 12px; top: 12px; z-index: 2; }
.vcard__body { padding: 4px 8px 12px; }
.vcard__body h3 { font-size: 17px; text-transform: uppercase; font-weight: 700; }
.vcard__body p { margin-top: 8px; font-size: 14px; color: #4a4a45; line-height: 1.5; }
.slider__nav { display: flex; justify-content: center; gap: 14px; margin-top: 26px; }
.slider__nav button {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line);
  display: grid; place-items: center; background: #fff; transition: .25s var(--ease);
}
.slider__nav button:hover { background: var(--orange); border-color: var(--orange); color: #fff; }
.slider__nav svg { width: 18px; height: 18px; }

/* ---------- 图文行（feature row） ---------- */
.frow { display: grid; grid-template-columns: 1.15fr .85fr; gap: 46px; align-items: center; }
.frow__media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.frow__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.frow__text h2 { font-size: clamp(28px, 3.4vw, 42px); text-transform: uppercase; }
.frow__text .rte { margin: 20px 0 26px; font-size: 17px; color: #3d3d38; }
.nform { display: flex; align-items: center; max-width: 480px; }
.nform input {
  flex: 1; padding: 15px 26px; border-radius: var(--btn-radius); border: 1px solid var(--line-soft);
  background: var(--panel); outline: none; min-width: 0;
}
.nform input:focus { border-color: var(--orange); }
.nform button { margin-left: -46px; padding: 13px 24px; }
.nform--stack { display: block; }
.nform--stack input { width: 100%; }
.nform--stack button { margin: 14px 0 0; width: 100%; }

/* ---------- 表单 ---------- */
.form { display: grid; gap: 16px; text-align: left; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; font-weight: 700; color: var(--muted); margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%; padding: 14px 18px; border-radius: var(--radius); background: var(--panel);
  border: 1px solid var(--line-soft); outline: none; transition: border-color .2s;
}
.field input:focus, .field textarea:focus { border-color: var(--orange); }
.field textarea { min-height: 120px; resize: vertical; }
.form__note { font-size: 13px; color: var(--muted); }
.signup-box { background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: 46px; box-shadow: var(--shadow); }
.signup-box .center .lead { margin-bottom: 30px; }

/* ---------- 通用卡片（内页） ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--radius-lg);
  padding: 30px; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--orange); }
.card__ico {
  width: 54px; height: 54px; border-radius: 14px; background: rgba(247, 102, 22, .12);
  color: var(--orange-d); display: grid; place-items: center; margin-bottom: 18px;
}
.card__ico svg { width: 26px; height: 26px; }
.card p { color: #4a4a45; margin-top: 10px; font-size: 15px; }
.card__tag { display: inline-block; margin-top: 16px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--orange-d); }

/* ---------- 展示带 / 画廊（内页） ---------- */
.band {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; padding: 56px 46px;
  background: var(--panel-2); border: 1px solid var(--line-soft);
}
.band__in { position: relative; z-index: 2; max-width: 520px; }
.band--right .band__in { margin-left: auto; }
.band h2 { margin: 14px 0 16px; }
.band .lead { margin-bottom: 26px; }
.band__art { position: absolute; right: 3%; top: 50%; transform: translateY(-50%); width: 300px; opacity: .9; }
.gallery { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.g-item {
  position: relative; border-radius: var(--radius); overflow: hidden; padding: 24px;
  background: var(--panel); border: 1px solid var(--line-soft); min-height: 220px;
  display: flex; align-items: flex-end; transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.g-item:hover { transform: translateY(-4px); border-color: var(--orange); }
.g-item--wide { grid-column: span 3; min-height: 280px; }
.g-item--half { grid-column: span 2; }
.g-item__ico { position: absolute; top: 20px; right: 20px; color: var(--orange); }
.g-item__ico svg { width: 26px; height: 26px; }
.g-item p { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* ---------- 产品舞台（内页插画） ---------- */
.stage { position: relative; aspect-ratio: 1 / 1; display: grid; place-items: center; }
.stage::before {
  content: ""; position: absolute; inset: 8%; border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, rgba(247, 102, 22, .22), rgba(252, 228, 77, .18) 45%, transparent 70%);
  animation: breathe 7s var(--ease) infinite;
}
.stage::after { content: ""; position: absolute; inset: 16%; border-radius: 50%; border: 1px dashed rgba(8, 8, 8, .14); animation: spin 36s linear infinite; }
.stage__ring { position: absolute; inset: 24%; border-radius: 50%; border: 1px solid rgba(247, 102, 22, .35); }
.stage__chair { position: relative; z-index: 2; width: 74%; animation: float 6s var(--ease) infinite; }
.float-card {
  position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  border-radius: 12px; background: #fff; border: 1px solid var(--line-soft);
  box-shadow: var(--shadow); font-size: 13px; font-weight: 600;
}
.float-card b { color: var(--orange-d); font-size: 15px; }
.float-card--1 { top: 14%; right: 0; animation: float 5.5s var(--ease) infinite; }
.float-card--2 { bottom: 18%; left: -2%; animation: float 7s var(--ease) .6s infinite; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(247, 102, 22, .18); }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- FAQ 手风琴 ---------- */
.acc { display: grid; gap: 12px; }
.acc__item { border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--panel); overflow: hidden; }
.acc__item.is-open { border-color: var(--orange); }
.acc__q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 24px; text-align: left; font-weight: 700; font-size: 16px; }
.acc__q i { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; font-style: normal; color: var(--orange-d); transition: transform .3s var(--ease); }
.acc__item.is-open .acc__q i { transform: rotate(45deg); }
.acc__a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.acc__a p { padding: 0 24px 22px; color: #4a4a45; font-size: 15px; }

/* ---------- 规格表 ---------- */
.spec { border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.spec__row { display: grid; grid-template-columns: 220px 1fr; gap: 20px; padding: 16px 26px; border-bottom: 1px solid var(--line-soft); }
.spec__row:last-child { border-bottom: 0; }
.spec__row:nth-child(odd) { background: rgba(8, 8, 8, .02); }
.spec__row dt { color: var(--muted); font-size: 14px; }
.spec__row dd { font-size: 15px; font-weight: 600; }

/* ---------- 博客 ---------- */
.post { background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s; }
.post:hover { transform: translateY(-4px); border-color: var(--orange); box-shadow: var(--shadow); }
.post__cover { position: relative; aspect-ratio: 3 / 2; background: linear-gradient(140deg, #f2f2ee, #deded6); }
.post__cover img { width: 100%; height: 100%; object-fit: cover; }
.post__cover span { position: absolute; left: 16px; bottom: 14px; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; background: var(--orange); color: #111; padding: 5px 12px; border-radius: 999px; }
.post__body { padding: 22px; }
.post__body h3 { font-size: 18px; margin-bottom: 10px; }
.post__body p { color: #4a4a45; font-size: 14px; }
.post__meta { margin-top: 16px; font-size: 12px; color: var(--muted); }

/* ---------- 时间线 ---------- */
.timeline { display: grid; gap: 22px; }
.timeline__item { display: grid; grid-template-columns: 110px 1fr; gap: 24px; padding-left: 22px; border-left: 2px solid var(--line-soft); position: relative; }
.timeline__item::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--orange); }
.timeline__item b { color: var(--orange-d); font-size: 14px; letter-spacing: .1em; }
.timeline__item p { color: #4a4a45; }

/* ---------- 页脚 ---------- */
.footer { background: var(--footer-bg); color: var(--footer-text); padding: 56px 0 32px; margin-top: 20px; }
.footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 40px; }
.footer h4 { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: rgba(249, 249, 249, .6); margin-bottom: 18px; font-weight: 700; }
.footer ul { display: grid; gap: 10px; }
.footer ul a { color: var(--footer-text); font-size: 15px; }
.footer ul a span { position: relative; }
.footer ul a span::after {
  content: ""; display: block; position: absolute; left: 0; bottom: -2px; width: 100%;
  border-bottom: 2px solid currentColor; transform: scaleX(0); transform-origin: 0 50%; transition: transform .4s var(--ease);
}
.footer ul a:hover span::after { transform: scaleX(1); }
.footer__logo { display: flex; align-items: center; gap: 12px; }
.footer__logo img { width: 46px; height: 46px; object-fit: contain; }
.footer__logo b { font-size: 20px; letter-spacing: .12em; }
.footer p { color: rgba(249, 249, 249, .7); font-size: 14px; margin-top: 16px; max-width: 320px; }
.socials { display: flex; gap: 10px; margin-top: 22px; }
.socials a { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(249, 249, 249, .25); display: grid; place-items: center; transition: .25s; }
.socials a:hover { background: var(--orange); border-color: var(--orange); color: #111; }
.socials svg { width: 18px; height: 18px; }
.pay { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.pay span { padding: 5px 10px; border-radius: 5px; border: 1px solid rgba(249, 249, 249, .22); font-size: 10px; font-weight: 700; letter-spacing: .06em; color: rgba(249, 249, 249, .75); }
.footer__bar { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(249, 249, 249, .16); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: rgba(249, 249, 249, .6); }

/* ---------- 动效 / 提示 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 20px);
  padding: 14px 24px; border-radius: var(--btn-radius); background: var(--ink-2); color: #fff;
  box-shadow: var(--shadow-lg); font-size: 14px; font-weight: 600;
  opacity: 0; pointer-events: none; z-index: 200; transition: opacity .3s, transform .3s var(--ease);
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 内页兼容类（与首页主题保持一致） ---------- */
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .12em; font-size: 18px; }
.logo__mark {
  width: 38px; height: 38px; border-radius: 10px; background: var(--orange); color: #080808;
  display: grid; place-items: center; font-weight: 900;
}
.logo__sub { font-size: 10px; letter-spacing: .28em; color: var(--muted); font-weight: 600; }
.eyebrow { display: inline-block; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; font-weight: 700; color: var(--orange-d); }
.h-display { font-size: clamp(32px, 4.4vw, 58px); }
.h-section { font-size: clamp(26px, 3.2vw, 42px); }
.h-card { font-size: 20px; }
.grad-text { color: var(--orange-d); }
.hero__in, .page-hero__in { display: grid; grid-template-columns: 1.02fr .98fr; gap: 46px; align-items: center; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
h1 small { display: block; font-size: 13px; letter-spacing: .28em; text-transform: uppercase; color: var(--muted); font-weight: 700; margin-bottom: 14px; }
.hero__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 34px; border-top: 1px solid var(--line-soft); padding-top: 22px; }
.hero__stats b { display: block; font-size: 28px; font-weight: 800; }
.hero__stats span { font-size: 12px; color: var(--muted); }
.btn--ghost { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: #fff; box-shadow: none; }
.signup {
  display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center;
  padding: 46px; border-radius: var(--radius-lg); background: var(--panel);
  border: 1px solid var(--line-soft); box-shadow: var(--shadow);
}
.video-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 16 / 8;
  display: grid; place-items: center; background: linear-gradient(140deg, #2a2a28, #111);
  border: 1px solid var(--line-soft); box-shadow: var(--shadow);
}
.video-card__meta { position: absolute; left: 26px; bottom: 22px; color: rgba(255, 255, 255, .75); font-size: 13px; }
.play {
  width: 84px; height: 84px; border-radius: 50%; background: var(--orange); color: #080808;
  display: grid; place-items: center; box-shadow: 0 14px 34px rgba(247, 102, 22, .4); transition: transform .3s var(--ease);
}
.play:hover { transform: scale(1.08); }
.play svg { width: 26px; height: 26px; margin-left: 3px; }
.icon-btn--search { display: grid; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .slide { flex: 0 0 calc((100% - 20px) / 2); }
  .nav { display: none; }
  .burger { display: grid; }
  .header__logo, .header__icons { flex: 0 0 auto; }
  .frow { grid-template-columns: 1fr; gap: 30px; }
  .hero__in { grid-template-columns: 1fr; gap: 34px; }
  .stage { max-width: 520px; margin: 0 auto; }
  .signup { grid-template-columns: 1fr; gap: 30px; padding: 32px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .wrap { padding: 0 20px; }
  .section { padding: 46px 0; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .slide { flex: 0 0 100%; }
  .slider__nav { display: none; }
  .hero { height: 78vh; min-height: 500px; }
  .section-head h2 { font-size: 26px; }
  .frow__media img { aspect-ratio: 4 / 3; }
  .nform { flex-direction: column; }
  .nform button { margin: 12px 0 0; width: 100%; }
  .signup-box { padding: 28px 22px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .g-item--wide, .g-item--half { grid-column: span 2; }
  .band { padding: 34px 24px; }
  .band__art { display: none; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .spec__row { grid-template-columns: 1fr; gap: 4px; }
  .form__row { grid-template-columns: 1fr; }
  .timeline__item { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}