/* ============================================================
   比玉堂官网 · 岭南书画气质
   宣纸米白 + 墨色 + 朱砂印章红
============================================================ */
:root{
  --paper:#F6F3EC;
  --paper-2:#EFEAE0;
  --ink:#26241F;
  --ink-2:#6E6A61;
  --seal:#9E2B22;
  --seal-dark:#7C1F18;
  --line:#E0D9CB;
  --gold:#B08D57;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  --shadow:0 10px 30px rgba(38,36,31,.08);
  --radius:4px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.8;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.muted{color:var(--ink-2)}

/* ---------------- 顶部导航 ---------------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(246,243,236,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(38,36,31,.07)}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 28px;
  height:72px;display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;margin-right:auto}
.brand-logo{height:46px;width:auto;display:block}
.brand-seal{
  font-family:var(--serif);font-weight:700;font-size:24px;letter-spacing:4px;
  color:#fff;background:var(--seal);padding:4px 10px 4px 14px;border-radius:var(--radius);
  line-height:1.3;
}
.brand-en{font-size:11px;letter-spacing:2px;color:var(--ink-2)}
.nav-links{display:flex;gap:26px}
.nav-links a{
  font-size:15px;color:var(--ink);position:relative;padding:6px 0;letter-spacing:1px;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--seal);transition:width .25s;
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{
  font-size:14px;letter-spacing:1px;border:1px solid var(--seal);color:var(--seal);
  padding:8px 18px;border-radius:var(--radius);transition:.25s;white-space:nowrap;
}
.nav-cta:hover{background:var(--seal);color:#fff}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:.3s}

/* ---------------- 首屏 ---------------- */
.hero{
  min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  position:relative;padding:120px 0 60px;
  background:
    radial-gradient(1200px 500px at 85% 10%, rgba(176,141,87,.07), transparent 60%),
    var(--paper);
  overflow:hidden;
}
.hero-inner{
  max-width:1180px;margin:0 auto;padding:0 28px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;
}
.hero-kicker{
  font-family:var(--serif);letter-spacing:10px;color:var(--seal);
  font-size:15px;margin-bottom:18px;
}
.hero-copy h1{
  font-family:var(--serif);font-size:clamp(56px,7vw,92px);
  letter-spacing:14px;line-height:1.1;font-weight:700;
}
.hero-sub{
  font-family:var(--serif);font-size:20px;letter-spacing:6px;color:var(--ink-2);
  margin:14px 0 22px;
}
.hero-desc{max-width:420px;color:var(--ink-2);margin-bottom:34px}
.hero-actions{display:flex;gap:16px}
.btn{
  display:inline-block;padding:12px 30px;border-radius:var(--radius);
  font-size:15px;letter-spacing:2px;transition:.25s;border:1px solid transparent;
}
.btn-solid{background:var(--seal);color:#fff}
.btn-solid:hover{background:var(--seal-dark)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.hero-art{position:relative;height:560px}
.hero-frame{
  position:absolute;overflow:hidden;background:#fff;padding:10px;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.hero-frame img{width:100%;height:100%;object-fit:cover}
.hero-frame.main{width:66%;height:88%;left:0;top:0;z-index:1}
.hero-frame.side{width:44%;height:52%;right:0;bottom:0;z-index:2}
.hero-stamp{
  position:absolute;z-index:3;right:6%;top:4%;
  writing-mode:vertical-rl;font-family:var(--serif);
  background:var(--seal);color:#fff;padding:12px 6px;font-size:15px;letter-spacing:6px;
  border-radius:2px;box-shadow:var(--shadow);
}
.hero-scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  width:1px;height:44px;background:var(--line);overflow:hidden;
}
.hero-scroll span{
  position:absolute;left:0;top:-50%;width:100%;height:50%;background:var(--seal);
  animation:drip 1.8s ease-in-out infinite;
}
@keyframes drip{0%{top:-50%}100%{top:110%}}
@media (prefers-reduced-motion:no-preference){}

/* ---------------- 数据条 ---------------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:34px 28px;gap:20px;text-align:center}
.stat strong{
  display:block;font-family:var(--serif);font-size:40px;font-weight:700;color:var(--ink);
}
.stat strong::after{content:"+";color:var(--seal);font-size:26px;margin-left:2px}
.stat span{font-size:14px;color:var(--ink-2);letter-spacing:2px}

/* ---------------- 通用 Section ---------------- */
.section{padding:96px 0}
.section-alt{background:var(--paper-2)}
.sec-head{margin-bottom:44px;position:relative}
.sec-en{
  font-size:12px;letter-spacing:6px;color:var(--gold);display:block;margin-bottom:6px;
}
.sec-head h2{
  font-family:var(--serif);font-size:36px;letter-spacing:6px;font-weight:700;
}
.sec-line{width:56px;height:3px;background:var(--seal);margin-top:16px}
.sec-head.light h2{color:var(--paper)}
.sec-intro{color:var(--ink-2);max-width:760px;margin-bottom:26px}

/* ---------------- 关于 ---------------- */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start}
.about-text .lead{
  font-family:var(--serif);font-size:20px;line-height:1.9;margin-bottom:20px;
}
.about-text .lead em{font-style:normal;color:var(--seal);font-weight:700;font-size:26px}
.about-text p{color:#4A473F;margin-bottom:16px}
.about-points{
  margin-top:26px;border-top:1px solid var(--line);padding-top:22px;
  list-style:none;display:grid;gap:10px;
}
.about-points li{
  position:relative;padding-left:22px;font-size:15px;color:#4A473F;
}
.about-points li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;
  background:var(--seal);transform:rotate(45deg);
}
.about-imgs{display:grid;gap:18px}
.about-imgs figure{overflow:hidden;border:1px solid var(--line);background:#fff;padding:8px}
.about-imgs img{width:100%;height:260px;object-fit:cover;transition:transform .6s}
.about-imgs figure:hover img{transform:scale(1.04)}

/* ---------------- 掌门人 ---------------- */
.founder-grid{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.founder-photo{
  background:#fff;padding:10px;border:1px solid var(--line);box-shadow:var(--shadow);
}
.founder-photo img{width:100%;aspect-ratio:4/5;object-fit:cover}
.founder-photo figcaption{
  text-align:center;font-family:var(--serif);letter-spacing:3px;padding:12px 0 4px;
  color:var(--ink-2);font-size:14px;
}
.founder-text h3{
  font-family:var(--serif);font-size:30px;letter-spacing:6px;margin-bottom:10px;
}
.founder-bio{color:#4A473F;margin-bottom:22px}
.founder-text h4{
  font-size:14px;letter-spacing:3px;color:var(--seal);margin:18px 0 10px;
}
.role-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}
.role-list li{position:relative;padding-left:16px;font-size:15px}
.role-list li::before{content:"·";position:absolute;left:0;color:var(--seal);font-weight:700}
.role-list.muted li{color:var(--ink-2);font-size:14px}
.role-more{margin-top:16px}
.role-more summary{
  cursor:pointer;font-size:14px;color:var(--ink-2);letter-spacing:1px;user-select:none;
}
.role-more summary:hover{color:var(--seal)}
.role-more ul{margin-top:10px}

/* ---------------- 核心业务 ---------------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.svc-card{
  background:#fff;border:1px solid var(--line);padding:34px 26px 26px;
  position:relative;transition:.3s;display:flex;flex-direction:column;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--seal)}
.svc-num{
  font-family:var(--serif);font-size:15px;color:var(--seal);letter-spacing:2px;
  display:block;margin-bottom:14px;
}
.svc-card h3{
  font-family:var(--serif);font-size:20px;letter-spacing:3px;margin-bottom:12px;
}
.svc-card p{font-size:14px;color:var(--ink-2);flex:1}
.svc-more{margin-top:18px;font-size:13px;color:var(--seal);letter-spacing:1px}

/* ---------------- 典藏 ---------------- */
.master-chips{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.master-chips .chip{
  font-family:var(--serif);font-size:16px;letter-spacing:3px;
  border:1px solid var(--line);background:#fff;padding:8px 20px;border-radius:2px;
  cursor:pointer;transition:.25s;color:var(--ink);
}
.master-chips .chip:hover{border-color:var(--seal);color:var(--seal);transform:translateY(-2px);box-shadow:var(--shadow)}
.master-chips .chip:active{transform:translateY(0)}
.sec-intro em{font-style:normal;color:var(--seal)}
.chip-more{color:var(--ink-2);font-size:14px !important;border-style:dashed !important;letter-spacing:1px !important}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.g-item{
  background:#fff;padding:10px;border:1px solid var(--line);cursor:zoom-in;
  transition:.3s;
}
.g-item:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.g-item img{width:100%;height:320px;object-fit:cover}
.g-item.wide{grid-column:span 2}
.g-item.wide img{height:320px}
.g-item figcaption{
  text-align:center;font-family:var(--serif);font-size:14px;letter-spacing:3px;
  padding:10px 0 4px;color:var(--ink-2);
}
.gallery-note{margin-top:26px;font-size:14px;color:var(--ink-2)}
.gallery-note a{color:var(--seal);border-bottom:1px solid var(--seal)}

/* ---------------- 展览活动 ---------------- */
.ex-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.ex-photos{display:grid;grid-template-columns:1fr 1fr;gap:16px;position:sticky;top:100px}
.ex-photos figure{overflow:hidden;border:1px solid var(--line);background:#fff;padding:6px}
.ex-photos img{width:100%;height:170px;object-fit:cover;transition:transform .5s}
.ex-photos figure:hover img{transform:scale(1.05)}
.timeline{list-style:none;position:relative;padding-left:24px}
.timeline::before{
  content:"";position:absolute;left:5px;top:6px;bottom:6px;width:1px;background:var(--line);
}
.timeline li{position:relative;padding:0 0 26px 18px}
.timeline li::before{
  content:"";position:absolute;left:-23px;top:10px;width:9px;height:9px;border-radius:50%;
  background:var(--paper);border:2px solid var(--seal);
}
.tl-year{
  font-family:var(--serif);color:var(--seal);font-size:15px;letter-spacing:2px;
  display:inline-block;margin-bottom:2px;font-weight:700;
}
.timeline strong{display:block;font-family:var(--serif);font-size:16.5px;letter-spacing:1px}
.timeline strong a{color:inherit;text-decoration:none;border-bottom:1px solid transparent;transition:.2s}
.timeline strong a:hover{color:var(--seal);border-bottom-color:var(--seal)}
.timeline p{font-size:13.5px;color:var(--ink-2);margin-top:2px}

/* ---------------- 艺术教育 ---------------- */
.edu-top{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start;margin-bottom:64px}
.edu-text h3,.edu-abroad h3{
  font-family:var(--serif);font-size:24px;letter-spacing:3px;margin-bottom:14px;
}
.edu-text p{color:#4A473F;margin-bottom:18px}
.edu-majors{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.edu-majors li{
  font-family:var(--serif);background:#fff;border:1px solid var(--line);
  padding:7px 16px;font-size:15px;letter-spacing:2px;
}
.edu-extra{list-style:none;display:grid;gap:8px;margin-top:10px}
.edu-extra li{position:relative;padding-left:20px;font-size:15px;color:#4A473F}
.edu-extra li::before{content:"—";position:absolute;left:0;color:var(--seal)}
.enroll-qr{
  display:flex;align-items:center;gap:16px;margin-top:26px;
  background:#fff;border:1px solid var(--line);padding:14px 18px;max-width:420px;
  box-shadow:var(--shadow);
}
.enroll-qr img{width:96px;height:96px;object-fit:cover;display:block}
.enroll-qr p{
  font-family:var(--serif);font-size:13.5px;letter-spacing:1px;line-height:1.9;
  color:var(--ink);margin:0;
}
.enroll-qr strong{
  font-family:var(--sans);font-size:15px;letter-spacing:.5px;
  white-space:nowrap;display:inline-block;
}
.edu-tel-note{margin-top:12px;font-size:14px;letter-spacing:1px}
.edu-tel-note a{color:var(--seal);text-decoration:none;border-bottom:1px solid rgba(158,43,34,.3)}
.dm-cta p a{color:var(--seal);text-decoration:none}
.edu-imgs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.edu-imgs figure{overflow:hidden;border:1px solid var(--line);background:#fff;padding:6px}
.edu-imgs img{width:100%;height:200px;object-fit:cover;transition:transform .5s}
.edu-imgs figure:hover img{transform:scale(1.05)}
/* 名师学堂海报轮播：一次一张，左右切换 */
.poster-carousel{margin:0 0 64px;max-width:560px;margin-left:auto;margin-right:auto}
.pc-main{display:flex;align-items:center;gap:12px}
.pc-viewport{
  flex:1;overflow:hidden;border:1px solid var(--line);background:#fff;padding:10px;
  box-shadow:var(--shadow);
}
.pc-track{display:flex;width:100%;transition:transform .45s ease}
.pc-slide{flex:0 0 100%;min-width:0;margin:0}
.pc-slide a{display:block}
.pc-slide img{width:100%;display:block;aspect-ratio:286/405;object-fit:cover}
.pc-slide figcaption{
  text-align:center;font-family:var(--serif);font-size:14px;letter-spacing:3px;
  padding:10px 0 2px;color:var(--ink-2);
}
.pc-btn{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:22px;line-height:1;cursor:pointer;transition:.25s;
  display:flex;align-items:center;justify-content:center;padding-bottom:3px;
}
.pc-btn:hover{border-color:var(--seal);color:var(--seal)}
.pc-dots{display:flex;justify-content:center;gap:8px;margin-top:16px}
.pc-dots button{
  width:8px;height:8px;border-radius:50%;border:none;background:#D8D2C4;
  cursor:pointer;padding:0;transition:.25s;
}
.pc-dots button.on{background:var(--seal);transform:scale(1.25)}
.pc-note{
  text-align:center;font-size:13px;color:var(--ink-2);letter-spacing:1px;margin-top:12px;
}
/* 2026 高研班最新招生课程 */
.course-links{margin:0 0 64px;border-top:1px solid var(--line);padding-top:44px}
.course-links h3{
  font-family:var(--serif);font-size:20px;letter-spacing:3px;margin-bottom:22px;
}
.course-links ul{
  list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;
}
.course-links a{
  display:block;background:#fff;border:1px solid var(--line);padding:12px 18px;
  font-size:15px;color:var(--ink);transition:.25s;
}
.course-links a::before{content:"→ ";color:var(--seal)}
.course-links a:hover{border-color:var(--seal);color:var(--seal);transform:translateX(4px)}
.course-note{margin-top:20px;font-size:14px;color:var(--ink-2);letter-spacing:1px}
.course-note strong{color:var(--seal);font-size:16px;letter-spacing:2px}
.edu-abroad{
  display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;
  border-top:1px solid var(--line);padding-top:56px;
}
.abroad-copy p{color:#4A473F;margin-bottom:14px;font-size:15px}
.abroad-copy strong{color:var(--ink)}
.abroad-note{font-size:13px !important;color:var(--ink-2) !important}
.abroad-img{border:1px solid var(--line);background:#fff;padding:8px}
.abroad-img img{width:100%;height:320px;object-fit:cover}
/* 双硕士项目信息卡 */
.dual-master{
  grid-column:1 / -1;margin-top:8px;
  border:1px solid var(--line);background:#fff;padding:36px 40px;
  position:relative;overflow:hidden;
}
.dual-master::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--seal),var(--gold));
}
.dm-head{text-align:center;margin-bottom:26px}
.dm-badge{
  display:inline-block;font-size:13px;letter-spacing:3px;color:var(--seal);
  border:1px solid rgba(158,43,34,.35);background:rgba(158,43,34,.05);
  padding:5px 18px;border-radius:999px;margin-bottom:14px;
}
.dm-head h4{font-family:var(--serif);font-size:23px;letter-spacing:2px}
.dm-sub{font-size:12.5px;letter-spacing:3px;color:var(--ink-2);margin-top:6px;text-transform:uppercase}
.dm-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:22px}
.dm-card{
  border:1px solid var(--line);background:var(--paper);padding:20px 22px;border-radius:3px;
}
.dm-card h5{
  font-family:var(--serif);font-size:17px;letter-spacing:1px;margin-bottom:12px;
  display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
}
.dm-card h5 span{
  font-size:12px;font-family:var(--sans);letter-spacing:2px;color:var(--seal);
  border:1px solid rgba(158,43,34,.3);padding:2px 10px;border-radius:2px;white-space:nowrap;
}
.dm-card ul{list-style:none}
.dm-card li{
  font-size:13.5px;color:#4A473F;padding:5px 0 5px 18px;position:relative;line-height:1.7;
}
.dm-card li::before{content:"";position:absolute;left:2px;top:14px;width:6px;height:6px;background:var(--gold);transform:rotate(45deg)}
.dm-feats{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:26px;
}
.dm-feats span{
  font-size:13px;letter-spacing:1px;color:var(--ink);background:var(--paper);
  border:1px solid var(--line);padding:6px 16px;border-radius:2px;
}
.dm-cta{
  display:flex;align-items:center;gap:20px;justify-content:center;
  border-top:1px dashed var(--line);padding-top:22px;
}
.dm-cta img{width:96px;height:96px;object-fit:cover;border:1px solid var(--line);border-radius:3px}
.dm-cta strong{font-family:var(--serif);font-size:17px;letter-spacing:1px;display:block}
.dm-cta p{font-size:12.5px;color:var(--ink-2);margin-top:6px;letter-spacing:.5px}

/* ---------------- 修复装裱 ---------------- */
.rest-intro{max-width:860px;margin-bottom:44px}
.rest-intro p{color:#4A473F;margin-bottom:14px}
.rest-clients{
  font-size:15px;color:var(--seal);background:rgba(158,43,34,.05);
  border-left:3px solid var(--seal);padding:12px 18px;
}
.rest-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:56px}
.ba-block h3{
  font-family:var(--serif);font-size:17px;letter-spacing:2px;margin-bottom:12px;
  text-align:center;color:var(--ink);
}
.ba-slider{
  position:relative;overflow:hidden;border:1px solid var(--line);background:#fff;
  user-select:none;aspect-ratio:3/4;cursor:ew-resize;
}
.ba-slider .ba-after,.ba-slider .ba-before{position:absolute;inset:0}
.ba-slider img{width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba-before{width:50%;overflow:hidden;right:auto;left:0}
.ba-before img{height:100%;object-fit:cover;max-width:none}
.ba-block:nth-child(2) .ba-slider,
.ba-block:nth-child(3) .ba-slider{aspect-ratio:4/3}
.ba-handle{
  position:absolute;left:50%;top:0;bottom:0;width:2px;background:#fff;
  transform:translateX(-1px);box-shadow:0 0 0 1px rgba(0,0,0,.08);
}
.ba-knob{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:36px;height:36px;border-radius:50%;background:var(--seal);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 2px 10px rgba(0,0,0,.25);
}
.ba-label{
  position:absolute;top:10px;font-size:12px;color:#fff;background:rgba(38,36,31,.55);
  padding:2px 10px;letter-spacing:2px;border-radius:2px;pointer-events:none;
}
.ba-label.l{left:10px}
.ba-label.r{right:10px}
.rest-install{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;align-items:center;
  border-top:1px solid var(--line);padding-top:48px;
}
.rest-install figure{border:1px solid var(--line);background:#fff;padding:6px}
.rest-install img{width:100%;height:230px;object-fit:cover}
.rest-install-text h3{font-family:var(--serif);font-size:20px;letter-spacing:3px;margin-bottom:10px}
.rest-install-text p{font-size:14px;color:var(--ink-2)}

/* ---------------- 文创 ---------------- */
.wen-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center}
.wen-text p{color:#4A473F;margin-bottom:14px}
.wen-list{list-style:none;display:grid;gap:10px;margin-top:22px;border-top:1px solid var(--line);padding-top:20px}
.wen-list li{position:relative;padding-left:20px;font-size:15px}
.wen-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--gold);transform:rotate(45deg);
}
.wen-imgs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.wen-imgs figure{border:1px solid var(--line);background:#fff;padding:6px;overflow:hidden}
.wen-imgs img{width:100%;height:230px;object-fit:cover;transition:transform .5s}
.wen-imgs figure:hover img{transform:scale(1.05)}
.wen-imgs figure:last-child{grid-column:span 2}
.wen-imgs figure:last-child img{height:180px}

/* ---------------- 联系 ---------------- */
.contact{
  background:
    radial-gradient(900px 400px at 20% 20%, rgba(158,43,34,.08), transparent 60%),
    var(--ink);
  color:var(--paper);
}
.contact .sec-en{color:var(--gold)}
.contact .sec-line{background:var(--gold)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.c-item{margin-bottom:26px}
.c-item h4{
  font-size:13px;letter-spacing:4px;color:var(--gold);margin-bottom:6px;
  font-family:var(--serif);
}
.c-item p{font-size:16px;line-height:1.9}
.c-item a:hover{color:#fff;border-bottom:1px solid var(--gold)}
.contact-cta h3{font-family:var(--serif);font-size:24px;letter-spacing:3px;margin-bottom:14px}
.contact-cta > p{color:#C9C4B8;margin-bottom:28px;font-size:15px}
.qr-row{display:flex;gap:28px;margin-bottom:14px}
.qr{text-align:center}
.qr-box{
  width:128px;height:128px;border:1px dashed rgba(246,243,236,.4);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:rgba(246,243,236,.55);letter-spacing:2px;text-align:center;
  border-radius:4px;overflow:hidden;background:#fff;
}
.qr-box img{width:100%;height:100%;object-fit:cover;display:block}
.qr figcaption{font-size:13px;color:#C9C4B8;margin-top:8px;letter-spacing:1px}
.qr-note{font-size:12px;color:rgba(246,243,236,.45)}

/* ---------------- 页脚 ---------------- */
.footer{background:#1D1B17;color:#8F8A7E;padding:44px 0}
.footer-inner{display:flex;flex-wrap:wrap;gap:28px;align-items:flex-start;justify-content:space-between}
.f-logo{
  height:64px;width:auto;display:block;background:var(--paper);
  padding:12px 18px;border-radius:4px;
}
.f-brand p{margin-top:12px;font-size:13px;letter-spacing:2px}
.f-nav{display:flex;flex-wrap:wrap;gap:20px;font-size:13px}
.f-nav a:hover{color:var(--paper)}
.f-copy{font-size:12.5px;text-align:right}
.f-copy p{margin-bottom:4px}

/* ---------------- 灯箱 ---------------- */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(29,27,23,.94);
  display:none;align-items:center;justify-content:center;padding:40px;
}
.lightbox.open{display:flex}
.lightbox figure{max-width:88vw;max-height:88vh;text-align:center}
.lightbox img{max-width:88vw;max-height:80vh;object-fit:contain;margin:0 auto;background:#fff}
.lightbox figcaption{
  color:var(--paper);font-family:var(--serif);letter-spacing:4px;margin-top:14px;font-size:15px;
}
.lb-close,.lb-prev,.lb-next{
  position:absolute;background:none;border:1px solid rgba(246,243,236,.3);color:var(--paper);
  width:46px;height:46px;border-radius:50%;font-size:24px;cursor:pointer;transition:.25s;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:var(--seal);border-color:var(--seal)}
.lb-close{top:24px;right:24px}
.lb-prev{left:24px;top:50%;transform:translateY(-50%)}
.lb-next{right:24px;top:50%;transform:translateY(-50%)}

/* ---------------- 进场动画 ---------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------------- 打印样式 ---------------- */
@media print{
  .nav,.hero-scroll,.nav-toggle,.lightbox,.nav-cta{display:none !important}
  .hero{min-height:auto;padding:60px 0}
  .reveal{opacity:1 !important;transform:none !important}
  .section{padding:32px 0}
  .ex-photos{position:static}
  body{background:#fff}
}

/* 轻提示 */
.toast{
  position:fixed;left:50%;bottom:48px;transform:translateX(-50%) translateY(16px);
  background:rgba(28,26,22,.92);color:#F6F3EC;font-size:14px;letter-spacing:1px;
  padding:10px 22px;border-radius:3px;opacity:0;pointer-events:none;
  transition:.35s;z-index:120;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------------- 响应式 ---------------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-art{height:420px}
  .svc-grid{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .g-item.wide{grid-column:span 1}
  .ex-grid{grid-template-columns:1fr}
  .ex-photos{position:static}
  .about-grid,.founder-grid,.edu-top,.edu-abroad,.wen-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
  .rest-cases{grid-template-columns:1fr;max-width:520px;margin:0 auto 56px}
  .rest-install{grid-template-columns:1fr 1fr}
  .rest-install-text{grid-column:span 2;order:3}
  .founder-photo{max-width:340px}
}
@media (max-width:720px){
  .dual-master{padding:26px 18px}
  .dm-cards{grid-template-columns:1fr}
  .dm-head h4{font-size:19px}
  .course-links ul{grid-template-columns:1fr}
  .nav-links{
    position:fixed;inset:72px 0 auto 0;background:var(--paper);
    flex-direction:column;gap:0;padding:8px 28px 20px;
    border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:transform .35s;z-index:-1;
  }
  .nav-links.open{transform:none}
  .nav-links a{padding:13px 0;border-bottom:1px dashed var(--line)}
  .nav-cta{display:none}
  .nav-toggle{display:block !important;width:40px;height:40px;flex:0 0 40px;order:99}
  .nav-toggle span{width:22px;height:2px;background:var(--ink);margin:5px auto}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero{padding-top:100px;overflow-x:hidden}
  .hero-copy h1{letter-spacing:8px}
  .hero-sub{font-size:16px;letter-spacing:3px;line-height:1.9}
  .hero-desc{max-width:100%}
  .hero-actions{flex-wrap:wrap}
  .hero-art{height:340px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:26px}
  .section{padding:64px 0}
  .sec-head h2{font-size:28px}
  .svc-grid,.gallery,.edu-imgs,.rest-install{grid-template-columns:1fr}
  .role-list{grid-template-columns:1fr}
  .rest-install-text{grid-column:span 1}
  .footer-inner{flex-direction:column}
  .f-copy{text-align:left}
  .qr-row{gap:18px}
}
@media (max-width:400px){
  .dm-cta{flex-direction:column;text-align:center}
  .dm-cta div{text-align:center}
  .enroll-qr{max-width:100%}
  .hero-actions a{flex:1 1 auto;text-align:center}
  .stats-grid{gap:18px}
}