/* ============================================================
   姬壳美学定制 · 网站雏形样式
   配色：午夜黑 + 香槟金 + 柔粉 ｜ 动效：粒子 / 渐显 / 3D卡片
   ============================================================ */

:root {
  --bg: #07070c;
  --bg-soft: #0d0c16;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-line: rgba(212, 175, 122, 0.18);
  --gold: #d4af7a;
  --gold-bright: #f0d9b0;
  --rose: #f3c6cf;
  --pink: #e9a8b8;
  --text: #f4efe6;
  --text-dim: #9b94a8;
  --maxw: 1200px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 40px;
}

/* ---------- 自定义光标 ---------- */
.cursor, .cursor-dot {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  mix-blend-mode: screen;
  transform: translate(-50%, -50%);
}
.cursor {
  width: 38px; height: 38px;
  border: 1px solid rgba(212, 175, 122, 0.6);
  transition: width .25s var(--ease), height .25s var(--ease), background .25s;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--gold-bright);
}
.cursor.is-hover { width: 64px; height: 64px; background: rgba(212,175,122,0.08); }

/* ---------- 滚动进度条 ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--gold), var(--rose));
  z-index: 9998;
  box-shadow: 0 0 12px rgba(212,175,122,0.7);
}

/* ---------- 开场加载 ---------- */
.preloader {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 10000;
  transition: opacity .8s var(--ease), visibility .8s;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__inner { text-align: center; }
.preloader__logo {
  font-size: 64px; letter-spacing: 12px;
  background: linear-gradient(120deg, var(--gold-bright), var(--rose), var(--gold));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 2.5s infinite;
}
.preloader__bar {
  width: 220px; height: 2px; margin: 24px auto 12px;
  background: rgba(255,255,255,0.08); overflow: hidden;
}
.preloader__bar span {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--gold), var(--rose));
}
.preloader__tip { font-size: 11px; letter-spacing: 6px; color: var(--text-dim); }
@keyframes shimmer { 0%,100% { filter: brightness(1); } 50% { filter: brightness(1.4); } }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 9000;
  padding: 22px 0;
  transition: padding .4s var(--ease), background .4s, backdrop-filter .4s;
}
.nav.is-scrolled {
  padding: 14px 0;
  background: rgba(7,7,12,0.6);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--surface-line);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__brand { display: flex; align-items: center; line-height: 1.2; }
.nav__brand-logo { height: 34px; width: auto; display: block; }
.nav__brand-mark {
  font-size: 22px; font-weight: 700; letter-spacing: 4px;
  background: linear-gradient(120deg, var(--gold-bright), var(--rose));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.nav__brand-sub { font-size: 10px; letter-spacing: 2px; color: var(--text-dim); margin-top: 2px; }
.nav__links {
  display: flex; align-items: center;
  gap: 10px;
  padding: 6px 10px;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(212,175,122,0.18);
  border-radius: 50px;
}
.nav__links a {
  font-size: 13px; color: var(--text-dim); letter-spacing: 1px;
  padding: 8px 16px; border-radius: 50px;
  background: transparent;
  border: 1px solid transparent;
  position: relative; transition: all .35s var(--ease);
}
.nav__links a:hover {
  color: var(--gold-bright);
  background: rgba(212,175,122,0.10);
  border-color: rgba(212,175,122,0.35);
  box-shadow: 0 0 18px rgba(212,175,122,0.14);
}
.nav__links a.is-active {
  color: #1a1206;
  background: linear-gradient(120deg, var(--gold-bright), var(--rose));
  border-color: transparent;
  font-weight: 600;
}
.nav__cta {
  font-size: 13px; letter-spacing: 1px;
  padding: 10px 22px; border: 1px solid var(--gold);
  border-radius: 40px; color: var(--gold-bright);
  transition: all .35s var(--ease);
}
.nav__cta:hover { background: var(--gold); color: #1a1206; box-shadow: 0 0 24px rgba(212,175,122,0.5); }

.nav__right { display: flex; align-items: center; gap: 16px; }
.nav__toggle {
  display: none; flex-direction: column; gap: 5px;
  width: 40px; height: 40px; padding: 9px;
  background: transparent; border: 1px solid var(--surface-line); border-radius: 10px;
  cursor: pointer;
}
.nav__toggle span {
  display: block; height: 2px; width: 100%;
  background: var(--gold-bright); border-radius: 2px;
  transition: transform .35s var(--ease), opacity .35s var(--ease);
}
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 34px; border-radius: 40px;
  font-size: 15px; letter-spacing: 1px; cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s, background .3s, color .3s;
  will-change: transform;
}
.btn--primary {
  background: linear-gradient(120deg, var(--gold), var(--rose));
  color: #1a1206; font-weight: 600;
  box-shadow: 0 8px 30px rgba(212,175,122,0.3);
}
.btn--primary:hover { box-shadow: 0 12px 44px rgba(212,175,122,0.55); }
.btn--ghost {
  border: 1px solid rgba(244,239,230,0.25); color: var(--text);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-bright); }
.btn--lg { padding: 18px 48px; font-size: 16px; }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; overflow: hidden;
  padding: 120px 20px 80px;
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__aurora {
  position: absolute; inset: -30%;
  background:
    radial-gradient(40% 40% at 20% 30%, rgba(212,175,122,0.20), transparent 60%),
    radial-gradient(45% 45% at 80% 25%, rgba(233,168,184,0.18), transparent 60%),
    radial-gradient(50% 50% at 50% 80%, rgba(120,90,200,0.14), transparent 60%);
  filter: blur(40px);
  animation: aurora 14s ease-in-out infinite alternate;
}
@keyframes aurora {
  0% { transform: translate(0,0) scale(1); }
  50% { transform: translate(3%, -2%) scale(1.08); }
  100% { transform: translate(-2%, 3%) scale(1.04); }
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 40%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, black, transparent 75%);
}
.hero__content { position: relative; z-index: 2; max-width: 900px; }
.hero__eyebrow {
  font-size: 13px; letter-spacing: 4px; color: var(--gold);
  margin-bottom: 26px; text-transform: uppercase;
}
.hero__title { font-size: clamp(40px, 7vw, 84px); line-height: 1.1; font-weight: 800; letter-spacing: 2px; }
.hero__title-line { display: block; }
.hero__title-line--accent {
  background: linear-gradient(120deg, var(--gold-bright), var(--rose), var(--gold-bright));
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  animation: textflow 6s linear infinite;
}
@keyframes textflow { to { background-position: 200% center; } }
.hero__sub {
  margin: 32px auto 40px; max-width: 640px;
  font-size: 17px; color: var(--text-dim);
}
.hero__actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.hero__scroll {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 3px; color: var(--text-dim);
}
.hero__scroll-line { width: 1px; height: 46px; background: linear-gradient(var(--gold), transparent); position: relative; overflow: hidden; }
.hero__scroll-line::after {
  content: ""; position: absolute; top: -50%; left: 0; width: 100%; height: 50%;
  background: var(--gold-bright); animation: scrolldot 2s var(--ease) infinite;
}
@keyframes scrolldot { 0% { top: -50%; } 100% { top: 100%; } }

/* ---------- 通用区块 ---------- */
.section { position: relative; padding: 130px 0; }
.section__head { text-align: center; margin-bottom: 64px; }
.section__head--left { text-align: left; margin-bottom: 28px; }
.section__tag {
  font-size: 12px; letter-spacing: 5px; color: var(--gold);
  display: inline-block; margin-bottom: 14px;
}
.section__title { font-size: clamp(28px, 4vw, 46px); font-weight: 700; letter-spacing: 1px; }
.section__desc { margin-top: 16px; color: var(--text-dim); font-size: 16px; }

/* 渐显动画 */
[data-reveal] {
  opacity: 0; transform: translateY(40px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- 集团概览 ---------- */
.section--group { background: linear-gradient(180deg, var(--bg), var(--bg-soft)); }
.group__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.group__text p { color: var(--text-dim); margin-bottom: 20px; font-size: 16px; }
.group__text strong { color: var(--gold-bright); }
.group__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.mini-card {
  background: var(--surface); border: 1px solid var(--surface-line);
  border-radius: 18px; padding: 30px 24px; backdrop-filter: blur(8px);
  transition: transform .4s var(--ease), border-color .4s;
}
.mini-card:hover { transform: translateY(-6px); border-color: var(--gold); }
.mini-card__num {
  font-size: 40px; font-weight: 800;
  background: linear-gradient(120deg, var(--gold-bright), var(--rose));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.mini-card__label { font-size: 13px; color: var(--text-dim); margin-top: 6px; }

/* ---------- 品牌姬壳 ---------- */
.section--brand { background: var(--bg-soft); }
.brand__layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 70px; align-items: center; }
.brand__visual { display: flex; justify-content: center; }
.brand__orb {
  width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(240,217,176,0.9), rgba(233,168,184,0.5) 55%, rgba(120,90,200,0.3));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 80px rgba(212,175,122,0.4), inset 0 0 60px rgba(255,255,255,0.15);
  position: relative; animation: float 6s ease-in-out infinite;
}
.brand__orb::before {
  content: ""; position: absolute; inset: -18px; border-radius: 50%;
  border: 1px solid rgba(212,175,122,0.3); animation: spin 18s linear infinite;
}
.brand__orb-logo {
  max-width: 62%;
  max-height: 62%;
  width: auto; height: auto;
  display: block;
  filter: drop-shadow(0 4px 14px rgba(0,0,0,0.35));
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-18px); } }
.brand__text p { color: var(--text-dim); margin-bottom: 18px; font-size: 16px; }
.brand__quote {
  margin-top: 26px; padding: 20px 26px; border-left: 3px solid var(--gold);
  background: var(--surface); border-radius: 0 14px 14px 0;
  font-style: italic; color: var(--gold-bright); font-size: 18px;
}

/* ---------- 核心项目 ---------- */
.section--services { background: linear-gradient(180deg, var(--bg-soft), var(--bg)); }
.services__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.services__grid--5 { grid-template-columns: repeat(5, 1fr); }
a.service-card { display: flex; color: inherit; }
.service-card--jinyuanchun {
  background: linear-gradient(180deg, rgba(212,175,122,0.08), var(--surface));
  border-color: rgba(212,175,122,0.28);
}
.service-card--jinyuanchun .service-card__index { color: var(--gold-bright); }
.service-card {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--surface-line);
  border-radius: 20px; padding: 34px 26px; min-height: 280px;
  display: flex; flex-direction: column;
  transform-style: preserve-3d; transition: transform .2s var(--ease), border-color .4s;
  will-change: transform;
}
.service-card__glow {
  position: absolute; top: -40%; left: -40%; width: 80%; height: 80%;
  background: radial-gradient(circle, rgba(212,175,122,0.35), transparent 70%);
  opacity: 0; transition: opacity .4s; pointer-events: none;
}
.service-card:hover { border-color: var(--gold); }
.service-card:hover .service-card__glow { opacity: 1; }
.service-card__index {
  font-size: 14px; color: var(--gold); letter-spacing: 2px; margin-bottom: 18px;
}
.service-card__title { font-size: 22px; font-weight: 700; margin-bottom: 14px; transform: translateZ(30px); }
.service-card__desc { font-size: 14px; color: var(--text-dim); flex: 1; transform: translateZ(20px); }
.service-card__more { font-size: 13px; color: var(--rose); margin-top: 18px; transform: translateZ(25px); }
.services__footer { display: flex; justify-content: center; margin-top: 50px; }
.services__all {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 34px; border-radius: 50px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(212,175,122,0.35);
  color: var(--gold-bright); font-size: 15px; letter-spacing: 1px;
  transition: background .4s var(--ease), border-color .4s, transform .4s, box-shadow .4s;
}
.services__all svg { width: 16px; height: 16px; transition: transform .35s var(--ease); }
.services__all:hover {
  background: rgba(212,175,122,0.14); border-color: var(--gold);
  transform: translateY(-3px); box-shadow: 0 14px 40px rgba(212,175,122,0.20);
}
.services__all:hover svg { transform: translateX(5px); }

/* ---------- 项目案例（规整网格 + 点击放大 + 分版块） ---------- */
.section--cases { background: linear-gradient(180deg, var(--bg), var(--bg-soft)); }
.cases-block { margin-bottom: 96px; }
.cases-block:last-child { margin-bottom: 0; }
.cases-block__head {
  display: flex; align-items: center; gap: 18px; margin-bottom: 30px;
}
.cases-block__idx {
  font-size: 30px; font-weight: 800; letter-spacing: 1px;
  background: linear-gradient(120deg, var(--gold-bright), var(--rose));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.cases-block__title { font-size: clamp(22px, 3vw, 30px); font-weight: 700; }
.cases-block__desc { font-size: 14px; color: var(--text-dim); margin-top: 3px; }

.cases-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}

/* 毛发抗衰对比图网格（cases-hair.html） */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 8px;
}
.case-compare {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--surface-line);
  background: var(--surface);
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
  cursor: pointer;
}
.case-compare:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 14px 36px rgba(0,0,0,0.35);
}
.case-compare .case__media {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #0e0a07;
}
.case-compare .case__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
  display: block;
}
.case-compare:hover .case__media img { transform: scale(1.04); }
.case-compare__cat {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 1.5px;
  z-index: 2;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.case-compare__cap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid var(--surface-line);
  background: var(--surface);
}
.case-compare__title {
  font-size: 13px;
  color: var(--text);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case {
  display: block;
  opacity: 0; transform: translateY(46px) scale(0.96);
  transition: opacity .7s var(--ease), transform .7s cubic-bezier(.34, 1.56, .64, 1);
}
.case.is-in { opacity: 1; transform: none; }
.case__media {
  position: relative; overflow: hidden; border-radius: 16px;
  background: #0c0b14; border: 1px solid var(--surface-line);
  cursor: zoom-in;
  transition: border-color .4s, box-shadow .4s, transform .4s;
}
.case__media img {
  display: block; width: 100%; height: auto;
  transition: transform .7s var(--ease);
}
.case:hover .case__media { border-color: var(--gold); box-shadow: 0 16px 44px rgba(212,175,122,0.22); transform: translateY(-6px); }
.case:hover .case__media img { transform: scale(1.04); }
.case__ph {
  position: absolute; top: 10px; left: 10px; z-index: 4;
  font-size: 10px; letter-spacing: 1.5px; color: #1a1206;
  background: linear-gradient(120deg, var(--gold-bright), var(--rose));
  padding: 3px 10px; border-radius: 20px; font-weight: 600;
}
.case__cap {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 2px 2px; font-size: 14px; color: var(--text);
}
.case__tag {
  font-size: 10px; letter-spacing: 1px; color: #1a1206;
  background: linear-gradient(120deg, var(--gold), var(--rose));
  padding: 2px 8px; border-radius: 20px; white-space: nowrap;
}

/* 毛玻璃「查看全部」按钮 */
.cases-more {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: fit-content; margin: 28px auto 0; padding: 15px 34px; border-radius: 40px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(212,175,122,0.35);
  color: var(--gold-bright); font-size: 15px; letter-spacing: 1px;
  transition: background .4s var(--ease), border-color .4s, transform .4s, box-shadow .4s;
}
.cases-more svg { width: 16px; height: 16px; transition: transform .35s var(--ease); }
.cases-more:hover {
  background: rgba(212,175,122,0.14); border-color: var(--gold);
  transform: translateY(-3px); box-shadow: 0 14px 40px rgba(212,175,122,0.20);
}
.cases-more:hover svg { transform: translateX(5px); }

/* ---------- 品牌宣传片 ---------- */
.section--video { background: linear-gradient(180deg, var(--bg), var(--bg-soft)); }
.video__wrap {
  max-width: 980px; margin: 50px auto 0;
  border-radius: 22px; overflow: hidden;
  border: 1px solid var(--surface-line);
  box-shadow: 0 24px 80px rgba(0,0,0,0.45);
  background: #0c0b14;
}
.video__wrap--inline { margin: 44px auto 0; }
.video__wrap video {
  display: block; width: 100%; height: auto;
  aspect-ratio: 16 / 9; object-fit: contain; background: #000;
}

/* ---------- 轮播图（二级页 · CoverFlow 中间大两边小） ---------- */
.carousel { width: 100%; max-width: 960px; margin: 0 auto; }
.carousel__frame { position: relative; }
.carousel__viewport {
  position: relative; overflow: visible;
  width: min(460px, 78vw);
  aspect-ratio: 9 / 16;
  max-height: 74vh;
  margin: 0 auto;
  border-radius: 0;
}
.carousel__track {
  position: relative; width: 100%; height: 100%;
  perspective: 1200px;
}
.carousel__slide {
  position: absolute; left: 50%; top: 0;
  width: 100%; height: 100%;
  transform: translateX(-50%) scale(0.55);
  opacity: 0; pointer-events: none;
  border-radius: 0; overflow: visible;
  background: transparent;
  border: none;
  box-shadow: none;
  transition: transform .7s var(--ease), opacity .7s var(--ease), z-index 0s .35s;
  z-index: 0;
  display: flex; align-items: center; justify-content: center;
}
.carousel__slide img {
  width: 100%; height: 100%; object-fit: contain; display: block; border-radius: 0;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.carousel__slide.is-active {
  transform: translateX(-50%) scale(1);
  opacity: 1; pointer-events: auto; z-index: 5;
  border: none;
  box-shadow: none;
  transition: transform .7s var(--ease), opacity .7s var(--ease);
}
.carousel__slide.is-prev-1 { transform: translateX(-118%) scale(0.72); opacity: 0.55; z-index: 3; pointer-events: auto; }
.carousel__slide.is-next-1 { transform: translateX(18%) scale(0.72); opacity: 0.55; z-index: 3; pointer-events: auto; }
.carousel__slide.is-prev-2 { transform: translateX(-168%) scale(0.50); opacity: 0.20; z-index: 1; pointer-events: none; }
.carousel__slide.is-next-2 { transform: translateX(68%) scale(0.50); opacity: 0.20; z-index: 1; pointer-events: none; }
.carousel__cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; gap: 10px; padding: 18px 20px;
  background: linear-gradient(0deg, rgba(5,5,9,0.85), transparent);
  font-size: 15px; color: var(--text);
}
.carousel__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: 1px solid var(--surface-line);
  color: var(--text); font-size: 26px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .3s, border-color .3s; z-index: 10;
}
.carousel__nav:hover { background: rgba(212,175,122,0.22); border-color: var(--gold); }
.carousel__nav--prev { left: -24px; }
.carousel__nav--next { right: -24px; }
.carousel__dots { display: flex; gap: 9px; justify-content: center; margin-top: 28px; flex-wrap: wrap; }
.carousel__dot {
  width: 9px; height: 9px; border-radius: 50%; padding: 0; cursor: pointer;
  background: rgba(244,239,230,0.22); border: none; transition: background .3s, width .3s;
}
.carousel__dot.is-active {
  width: 26px; border-radius: 6px;
  background: linear-gradient(120deg, var(--gold), var(--rose));
}

@media (max-width: 860px) {
  .carousel__viewport { width: min(420px, 82vw); max-height: 68vh; }
  .carousel__slide.is-prev-1 { transform: translateX(-114%) scale(0.70); }
  .carousel__slide.is-next-1 { transform: translateX(14%) scale(0.70); }
  .carousel__slide.is-prev-2 { transform: translateX(-162%) scale(0.48); }
  .carousel__slide.is-next-2 { transform: translateX(62%) scale(0.48); }
  .carousel__nav { width: 40px; height: 40px; font-size: 22px; }
  .carousel__nav--prev { left: 6px; }
  .carousel__nav--next { right: 6px; }
}
@media (max-width: 640px) {
  .carousel__viewport { width: min(380px, 86vw); max-height: 64vh; }
  .carousel__slide.is-prev-1 { transform: translateX(-108%) scale(0.62); opacity: 0.42; }
  .carousel__slide.is-next-1 { transform: translateX(8%) scale(0.62); opacity: 0.42; }
  .carousel__slide.is-prev-2,
  .carousel__slide.is-next-2 { opacity: 0; }
  .carousel__nav--prev { left: 2px; }
  .carousel__nav--next { right: 2px; }
}

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 11000;
  background: rgba(5,5,9,0.94); backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility .4s;
  padding: 70px 20px;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__stage { position: relative; max-width: 90vw; max-height: 86vh; }
.lightbox__img {
  max-width: 90vw; max-height: 86vh; border-radius: 14px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.6);
  transform: scale(.94); transition: transform .4s var(--ease), opacity .3s;
}
.lightbox.is-open .lightbox__img { transform: scale(1); }
.lightbox__img.is-fading { opacity: 0.55; transform: scale(0.98); }
.lightbox__close,
.lightbox__nav {
  position: absolute;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: 1px solid var(--surface-line);
  color: var(--text); font-size: 22px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .3s, transform .3s, border-color .3s;
}
.lightbox__close { top: 18px; right: 18px; }
.lightbox__close:hover { background: rgba(212,175,122,0.25); transform: rotate(90deg); }
.lightbox__nav { top: 50%; transform: translateY(-50%); }
.lightbox__nav--prev { left: 14px; }
.lightbox__nav--next { right: 14px; }
.lightbox__nav:hover { background: rgba(212,175,122,0.22); border-color: var(--gold); }
.lightbox__counter {
  position: absolute; bottom: -36px; left: 50%; transform: translateX(-50%);
  font-size: 13px; letter-spacing: 2px; color: var(--text-dim);
  background: rgba(255,255,255,0.06); padding: 5px 16px; border-radius: 20px;
  border: 1px solid var(--surface-line);
}

/* ---------- 二级页 hero ---------- */
.hero--page { min-height: 72vh; padding: 150px 20px 90px; }
.hero--page .hero__title { font-size: clamp(34px, 5.5vw, 64px); }

/* ---------- 筛选标签 ---------- */
.filter {
  display: flex; gap: 12px; flex-wrap: wrap;
  justify-content: center; margin: -24px 0 44px;
}
.filter__btn {
  padding: 9px 22px; border-radius: 40px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--surface-line);
  color: var(--text-dim); font-size: 14px; letter-spacing: 1px;
  cursor: pointer; transition: all .3s var(--ease);
}
.filter__btn:hover { border-color: var(--gold); color: var(--gold-bright); }
.filter__btn.is-active {
  background: linear-gradient(120deg, var(--gold), var(--rose));
  border-color: transparent; color: #1a1206; font-weight: 600;
}

/* ---------- 核心优势 ---------- */
.section--advantages { background: var(--bg); }
.advantages__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.advantage {
  text-align: center; padding: 38px 24px;
  background: var(--surface); border: 1px solid var(--surface-line);
  border-radius: 20px; transition: transform .4s var(--ease), background .4s;
}
.advantage:hover { transform: translateY(-8px); background: rgba(212,175,122,0.06); }
.advantage__icon { font-size: 34px; color: var(--gold); margin-bottom: 16px; }
.advantage h3 { font-size: 19px; margin-bottom: 12px; }
.advantage p { font-size: 14px; color: var(--text-dim); }

/* 数据 */
.stats {
  margin-top: 70px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  border-top: 1px solid var(--surface-line); padding-top: 60px;
}
.stat { text-align: center; }
.stat__num {
  font-size: clamp(38px, 5vw, 60px); font-weight: 800;
  background: linear-gradient(120deg, var(--gold-bright), var(--rose));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat__label { font-size: 13px; color: var(--text-dim); margin-top: 8px; }

/* ---------- CTA ---------- */
.section--cta { position: relative; text-align: center; overflow: hidden; }
.cta__aurora {
  position: absolute; inset: 0;
  background:
    radial-gradient(50% 60% at 50% 40%, rgba(212,175,122,0.18), transparent 70%),
    radial-gradient(40% 50% at 20% 70%, rgba(233,168,184,0.14), transparent 70%),
    radial-gradient(40% 50% at 80% 70%, rgba(120,90,200,0.14), transparent 70%);
  filter: blur(30px); animation: aurora 12s ease-in-out infinite alternate;
}
.cta__inner { position: relative; z-index: 2; }
.cta__title { font-size: clamp(32px, 5vw, 56px); }
.cta__actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.cta__contact {
  margin-top: 50px; display: flex; justify-content: center; gap: 36px; flex-wrap: wrap;
  color: var(--text-dim); font-size: 14px;
}
.cta__contact-item { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.cta__contact-item span { font-size: 12px; letter-spacing: 2px; color: var(--gold); text-transform: uppercase; }
.cta__contact-item strong,
.cta__contact-item a {
  font-size: 22px; font-weight: 600; color: var(--text); text-decoration: none;
  transition: color .3s;
}
.cta__contact-item a:hover { color: var(--gold); }

@media (max-width: 560px) {
  .cta__contact { gap: 22px; }
  .cta__contact-item strong,
  .cta__contact-item a { font-size: 18px; }
}

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--surface-line); padding: 40px 0; background: var(--bg-soft); }
.footer__inner { display: flex; flex-direction: column; gap: 10px; align-items: center; text-align: center; }
.footer__brand { font-size: 14px; letter-spacing: 3px; color: var(--gold); }
.footer__copy { font-size: 12px; color: var(--text-dim); }

/* ---------- 核心项目二级页（精致两栏/三栏卡片） ---------- */
.section--detail { background: var(--bg); }
.section--detail--alt { background: var(--bg-soft); }
.detail__head { text-align: center; margin-bottom: 54px; }
.detail__idx {
  display: inline-block; font-size: 14px; letter-spacing: 3px; color: var(--gold); margin-bottom: 10px;
}
.detail__title { font-size: clamp(30px, 4.5vw, 48px); font-weight: 700; margin-bottom: 16px; }
.detail__lead { max-width: 700px; margin: 0 auto; font-size: 16px; color: var(--text-dim); }
.detail__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 34px; }
.detail__grid--3 { grid-template-columns: repeat(3, 1fr); }
.detail__col {
  background: var(--surface); border: 1px solid var(--surface-line);
  border-radius: 24px; padding: 38px 34px;
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.detail__col:hover { transform: translateY(-6px); border-color: rgba(212,175,122,0.35); box-shadow: 0 20px 60px rgba(0,0,0,0.25); }
.detail__sub {
  font-size: 22px; font-weight: 700; margin-bottom: 26px;
  padding-bottom: 16px; border-bottom: 1px solid rgba(212,175,122,0.25);
  display: flex; align-items: center; gap: 12px;
}
.detail__sub--center { justify-content: center; text-align: center; }
.detail__sub::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: linear-gradient(120deg, var(--gold), var(--rose));
}
.detail__list { list-style: none; display: flex; flex-direction: column; }
.detail__list li {
  padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 15px; color: var(--text-dim); line-height: 1.7;
  transition: background .3s;
}
.detail__list li:first-child { padding-top: 0; }
.detail__list li:last-child { border-bottom: none; padding-bottom: 0; }
.detail__list li:hover { background: rgba(255,255,255,0.02); margin: 0 -14px; padding-left: 14px; padding-right: 14px; border-radius: 10px; }
.detail__list strong {
  display: block; color: var(--text); font-weight: 600; margin-bottom: 6px;
  font-size: 16px; letter-spacing: .5px;
}
.detail__list strong::before {
  content: "·"; color: var(--gold); margin-right: 8px;
}
.detail__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px !important; }
.detail__tags span {
  font-size: 12px; color: var(--gold-bright);
  background: rgba(212,175,122,0.10); border: 1px solid rgba(212,175,122,0.20);
  padding: 4px 10px; border-radius: 20px;
}
.detail__actions { display: flex; justify-content: center; margin-top: 46px; }
.service-card--static { transition: transform .35s var(--ease), border-color .4s; }
.service-card--static:hover { transform: translateY(-8px); border-color: var(--gold); }

.detail__col--full { grid-column: 1 / -1; }
.detail__intro { color: var(--text-dim); font-size: 15px; margin-bottom: 26px; }
.product-grid--hair { margin-top: 6px; }
.product-card__media {
  height: 150px; display: flex; align-items: center; justify-content: center;
  margin: -6px 0 18px;
}
.product-card__media img {
  max-height: 100%; width: auto; object-fit: contain;
  filter: drop-shadow(0 14px 30px rgba(0,0,0,0.45));
  transition: transform .4s var(--ease);
}
.product-card:hover .product-card__media img { transform: translateY(-5px) scale(1.03); }
.product-card__slogan {
  font-size: 13px; color: var(--gold-bright); letter-spacing: .5px;
  margin: -4px 0 10px;
}
.product-card__section { margin: 14px 0 2px; font-size: 13px; color: var(--text-dim); line-height: 1.65; }
.product-card__label {
  display: inline-block; font-size: 11px; color: #1a1206; font-weight: 600;
  background: linear-gradient(120deg, var(--gold-bright), var(--rose));
  padding: 3px 10px; border-radius: 20px; margin-bottom: 6px;
}

.body-tech {
  display: inline-flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px;
  margin-top: 22px; padding: 12px 22px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--surface-line);
  border-radius: 50px; font-size: 14px; color: var(--text-dim);
}

/* ---------- 瑾园椿康养项目 ---------- */
.jinyuanchun-programs { margin: 54px 0; }
.program-cards {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 30px;
}
.program-card {
  background: var(--surface); border: 1px solid var(--surface-line);
  border-radius: 22px; overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.program-card:hover { transform: translateY(-8px); border-color: var(--gold); box-shadow: 0 20px 60px rgba(0,0,0,0.25); }
.program-card__media {
  position: relative; min-height: 220px; display: flex; align-items: center; justify-content: center;
  padding: 14px; background: #0c0b14; cursor: zoom-in;
}
.program-card__media::after {
  content: "点击放大"; position: absolute; bottom: 12px; right: 12px;
  padding: 5px 12px; font-size: 11px; color: var(--gold);
  background: rgba(0,0,0,0.55); border: 1px solid rgba(212,175,122,0.25);
  border-radius: 20px; backdrop-filter: blur(6px); pointer-events: none;
  transition: opacity .3s, transform .3s;
}
.program-card__media img {
  max-width: 100%; max-height: 420px; width: auto; height: auto;
  object-fit: contain; transition: transform .5s var(--ease);
  border-radius: 10px;
}
.program-card:hover .program-card__media img { transform: scale(1.03); }
.program-card:hover .program-card__media::after { opacity: 1; transform: translateY(0); }
.program-card__body { padding: 22px 20px; }
.program-card__body h4 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.program-card__body p { font-size: 13px; color: var(--text-dim); line-height: 1.65; }
.body-tech__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.body-tech__chips span {
  font-size: 12px; color: var(--gold-bright);
  background: rgba(212,175,122,0.10); border: 1px solid rgba(212,175,122,0.22);
  padding: 4px 12px; border-radius: 20px;
}

/* 白发养黑产品配图 */
.product-thumbs {
  display: flex; flex-wrap: wrap; gap: 14px;
  justify-content: center; margin-top: 26px;
}
.product-thumbs img {
  height: 120px; width: auto; max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 12px 28px rgba(0,0,0,0.45));
  transition: transform .4s var(--ease);
}
.product-thumbs img:hover { transform: translateY(-6px) scale(1.03); }
@media (max-width: 640px) {
  .product-thumbs img { height: 92px; }
}

/* ---------- 毛发抗衰产品卡 ---------- */
.section--products { background: linear-gradient(180deg, var(--bg-soft), var(--bg)); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card {
  background: var(--surface); border: 1px solid var(--surface-line);
  border-radius: 22px; padding: 32px 26px;
  transition: transform .4s var(--ease), border-color .4s;
}
.product-card:hover { transform: translateY(-8px); border-color: var(--gold); }
.product-card__idx {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; color: #1a1206;
  background: linear-gradient(120deg, var(--gold-bright), var(--rose));
  margin-bottom: 20px;
}
.product-card__title { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.product-card__desc { font-size: 14px; color: var(--text-dim); margin-bottom: 18px; }
.product-card__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.product-card__tags span {
  font-size: 12px; color: var(--gold-bright);
  background: rgba(212,175,122,0.10); border: 1px solid rgba(212,175,122,0.20);
  padding: 4px 10px; border-radius: 20px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .services__grid--5 { grid-template-columns: repeat(3, 1fr); }
  .program-cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .cases-grid { grid-template-columns: repeat(3, 1fr); }
  .compare-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .services__grid, .services__grid--5, .advantages__grid, .stats, .product-grid, .detail__grid, .detail__grid--3 { grid-template-columns: repeat(2, 1fr); }
  .program-cards { grid-template-columns: repeat(2, 1fr); }
  .group__grid, .brand__layout { grid-template-columns: 1fr; gap: 40px; }
  .section { padding: 100px 0; }
}
@media (max-width: 860px) {
  .nav__links {
    position: absolute; top: 100%; left: 16px; right: 16px;
    flex-direction: column; gap: 6px;
    background: rgba(7,7,12,0.92); backdrop-filter: blur(18px);
    border: 1px solid rgba(212,175,122,0.18);
    border-radius: 22px;
    padding: 14px;
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height .4s var(--ease), opacity .3s;
  }
  .nav.is-open .nav__links { max-height: 420px; opacity: 1; }
  .nav__links a {
    padding: 13px 20px; width: 100%; text-align: center;
    border-radius: 14px; border: 1px solid transparent;
  }
  .nav__toggle { display: flex; }
  .nav__cta { display: none; }
}
@media (max-width: 640px) {
  .cases-grid {
    display: flex; gap: 12px;
    overflow-x: auto; scroll-snap-type: x mandatory;
    padding-bottom: 12px; margin: 0 -22px; padding-left: 22px; padding-right: 22px;
    -webkit-overflow-scrolling: touch;
  }
  .cases-grid .case {
    flex: 0 0 46%; min-width: 150px;
    scroll-snap-align: start;
  }
  .cases-more {
    display: flex; margin: 22px auto 0; padding: 14px 26px; font-size: 14px;
  }
  .services__grid, .product-grid, .detail__grid, .detail__grid--3 { grid-template-columns: 1fr; }
  .advantages__grid, .group__cards { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .compare-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .case-compare__cap { padding: 9px 10px; gap: 8px; }
  .case-compare__title { font-size: 12px; }
  .case-compare__cat { font-size: 10px; padding: 4px 10px; top: 8px; left: 8px; letter-spacing: 1px; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .container { padding: 0 22px; }
  .nav__inner { padding: 0 22px; }
  .section { padding: 52px 0; }
  .section__head { margin-bottom: 32px; }
  .section__title { font-size: clamp(24px, 7vw, 30px); }
  .section__desc { font-size: 14px; margin-top: 10px; }
  .hero { padding: 108px 18px 70px; }
  .brand__orb { width: 240px; height: 240px; }
  .portal { padding: 22px 20px; }
  .portal__title { font-size: 20px; }
  .lightbox__nav { width: 38px; height: 38px; font-size: 18px; }
  .lightbox__nav--prev { left: 6px; }
  .lightbox__nav--next { right: 6px; }
  .carousel { max-width: 100%; }
  .carousel__nav { width: 40px; height: 40px; font-size: 22px; }
  .carousel__nav--prev { left: 6px; }
  .carousel__nav--next { right: 6px; }
  .carousel__cap { font-size: 13px; padding: 14px; }

  /* 移动端紧凑卡片：一屏一个板块 */
  .advantage { padding: 18px 12px; border-radius: 14px; }
  .advantage__icon { font-size: 22px; margin-bottom: 8px; }
  .advantage h3 { font-size: 14px; margin-bottom: 6px; }
  .advantage p { font-size: 12px; line-height: 1.5; }

  .mini-card { padding: 18px 14px; border-radius: 14px; }
  .mini-card__num { font-size: 28px; }
  .mini-card__label { font-size: 11px; margin-top: 4px; }

  .stats { margin-top: 28px; padding-top: 24px; }
  .stat__num { font-size: clamp(22px, 7vw, 28px); }
  .stat__label { font-size: 11px; margin-top: 4px; }

  /* 案例详情页轮播：手机端显示 3 张（中间大 + 左右各 1 张小图+模糊） */
  .carousel__viewport { width: min(280px, 64vw); }
  .carousel__slide {
    transform: translateX(-50%) scale(0.65);
    opacity: 0; pointer-events: none;
    filter: blur(3px);
  }
  .carousel__slide.is-active {
    transform: translateX(-50%) scale(1);
    opacity: 1; pointer-events: auto;
    filter: blur(0);
  }
  .carousel__slide.is-prev-1 {
    transform: translateX(-112%) scale(0.72);
    opacity: 0.5; pointer-events: auto;
    filter: blur(3px);
  }
  .carousel__slide.is-next-1 {
    transform: translateX(12%) scale(0.72);
    opacity: 0.5; pointer-events: auto;
    filter: blur(3px);
  }
  .carousel__slide.is-prev-2,
  .carousel__slide.is-next-2 {
    opacity: 0; pointer-events: none;
    transform: translateX(-50%) scale(0.65);
    filter: blur(3px);
  }

  /* 核心品项页（services.html）手机端紧凑化 */
  .hero--page { min-height: 26vh; padding: 72px 18px 24px; }
  .hero--page .hero__title { font-size: clamp(22px, 6vw, 30px); }
  .hero--page .hero__subtitle { font-size: 13px; margin-top: 8px; }

  .section--services { padding: 40px 0; }
  .section--services .section__head { margin-bottom: 22px; }
  .section--services .section__title { font-size: clamp(20px, 5.5vw, 26px); }
  .section--services .section__desc {
    font-size: 13px;
    line-height: 1.5;
    max-width: 92%;
  }

  .services__grid,
  .services__grid--5 { gap: 8px; }
  .service-card {
    padding: 14px 12px;
    border-radius: 12px;
    min-height: auto;
  }
  .service-card__index {
    font-size: 11px;
    margin-bottom: 6px;
    letter-spacing: 1px;
  }
  .service-card__title {
    font-size: 15px;
    margin-bottom: 5px;
  }
  .service-card__desc {
    font-size: 12px;
    line-height: 1.45;
  }
  .service-card__more {
    font-size: 11px;
    margin-top: 8px;
  }
  .services__footer { margin-top: 20px; }
  .services__all {
    padding: 10px 20px;
    font-size: 12px;
  }

  /* 品项详情模块紧凑化 */
  .detail__head { margin-bottom: 30px; }
  .detail__title { font-size: clamp(24px, 7vw, 30px); }
  .detail__lead { font-size: 14px; }
  .detail__grid,
  .detail__grid--3 { gap: 14px; }
  .detail__col {
    padding: 22px 18px;
    border-radius: 16px;
  }
  .detail__sub {
    font-size: 17px;
    margin-bottom: 16px;
    padding-bottom: 12px;
  }
  .detail__list li {
    padding: 12px 0;
    font-size: 13.5px;
  }
  .detail__list strong { font-size: 14px; }

  /* 产品卡片紧凑化 */
  .product-card { padding: 20px 16px; border-radius: 16px; }
  .product-card__idx {
    width: 34px; height: 34px;
    font-size: 13px;
  }
  .product-card__media { height: 110px; margin: -4px 0 12px; }
  .product-card__title { font-size: 16px; margin-bottom: 8px; }
  .product-card__slogan { font-size: 12px; margin-bottom: 8px; }
  .product-card__desc { font-size: 12.5px; margin-bottom: 14px; }
  .product-card__section { font-size: 12px; margin: 10px 0 2px; }
  .product-card__label { font-size: 10px; padding: 2px 8px; }
  .product-card__tags span { font-size: 11px; padding: 3px 8px; }

  .detail__actions { margin-top: 26px; }
  .body-tech { margin-top: 16px; padding: 10px 16px; font-size: 12px; gap: 10px; }
}

/* 尊重减少动态偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}