/* =========================================================
   香檀壹号 · 山西香檀地产官网  sxxtdc.cn
   设计系统：墨 · 象牙 · 铜  （学府教育 × 高定人居）
   ========================================================= */

:root{
  --ink:#0b0d10;
  --ink-2:#11141a;
  --ink-3:#171b22;
  --line:rgba(214,188,132,.22);
  --line-soft:rgba(245,241,232,.10);
  --paper:#f4f0e6;
  --paper-dim:rgba(244,240,230,.66);
  --paper-faint:rgba(244,240,230,.42);
  --brass:#c2a35d;
  --brass-bright:#e3c98d;
  --brass-deep:#9c7f42;
  --cinnabar:#a4543f;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --latin:"Cormorant Garamond","Times New Roman",Georgia,serif;
  --shadow:0 30px 60px rgba(0,0,0,.45);
  --r:2px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--ink);color:var(--paper);
  font-family:var(--sans);font-size:16px;line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
::selection{background:var(--brass);color:#14100a}

h1,h2,h3,h4,.serif{font-family:var(--serif);font-weight:600;letter-spacing:.06em}
.wrap{width:min(1180px,92vw);margin:0 auto}
.wrap-n{width:min(920px,90vw);margin:0 auto}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .35s ease,border-color .35s ease,backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.site-header.is-solid{
  background:rgba(10,12,15,.92);backdrop-filter:blur(10px);
  border-bottom-color:var(--line-soft);
}
.header-in{
  width:min(1280px,94vw);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand{display:flex;align-items:baseline;gap:12px;white-space:nowrap}
.brand .zh{font-family:var(--serif);font-size:21px;letter-spacing:.32em;color:var(--paper)}
.brand .zh b{color:var(--brass-bright);font-weight:600}
.brand .en{font-family:var(--latin);font-size:11px;letter-spacing:.34em;color:var(--paper-faint);text-transform:uppercase}
.main-nav ul{display:flex;gap:34px}
.main-nav a{
  font-size:14.5px;letter-spacing:.22em;color:var(--paper-dim);
  padding:6px 2px;position:relative;transition:color .3s;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:1px;
  background:var(--brass);transition:width .3s,left .3s;
}
.main-nav a:hover,.main-nav a.active{color:var(--paper)}
.main-nav a:hover::after,.main-nav a.active::after{width:100%;left:0}
.header-cta{display:flex;align-items:center;gap:18px}
.header-phone{font-family:var(--latin);font-size:15px;letter-spacing:.1em;color:var(--brass-bright)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--paper);
  width:42px;height:38px;font-size:18px;cursor:pointer;border-radius:var(--r)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;letter-spacing:.3em;padding:14px 34px 14px 38px;
  border:1px solid var(--brass);color:var(--brass-bright);
  border-radius:var(--r);cursor:pointer;background:transparent;
  transition:all .35s ease;position:relative;overflow:hidden;
}
.btn::before{content:"";position:absolute;inset:0;background:var(--brass);
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;z-index:-1}
.btn:hover{color:#14100a}
.btn:hover::before{transform:scaleX(1)}
.btn-fill{background:var(--brass);color:#14100a}
.btn-fill::before{background:var(--brass-bright)}
.btn-sm{padding:9px 20px 9px 24px;font-size:13px;letter-spacing:.22em}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.06);animation:heroZoom 9s ease-out forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero-veil{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(9,11,14,.62) 0%,rgba(9,11,14,.30) 42%,rgba(9,11,14,.86) 100%),
  radial-gradient(120% 70% at 18% 62%,rgba(9,11,14,.55),transparent 60%)}
.hero-in{position:relative;z-index:2;width:min(1280px,94vw);margin:0 auto;padding:120px 0 130px}
.hero-tag{
  display:inline-flex;align-items:center;gap:14px;
  font-size:13px;letter-spacing:.42em;color:var(--brass-bright);margin-bottom:34px}
.hero-tag::before{content:"";width:46px;height:1px;background:var(--brass)}
.hero h1{
  font-size:clamp(40px,6.4vw,84px);line-height:1.18;font-weight:600;
  color:var(--paper);text-shadow:0 6px 40px rgba(0,0,0,.5)}
.hero h1 em{font-style:normal;color:var(--brass-bright)}
.hero .sub{
  margin-top:26px;max-width:620px;font-size:clamp(15px,1.6vw,18px);
  color:var(--paper-dim);letter-spacing:.14em;line-height:2.1}
.hero-actions{margin-top:46px;display:flex;gap:20px;flex-wrap:wrap}
.hero-side{
  position:absolute;right:4vw;bottom:12vh;z-index:2;
  writing-mode:vertical-rl;font-family:var(--serif);
  font-size:14px;letter-spacing:.5em;color:var(--paper-faint);
  border-left:1px solid var(--line);padding-left:16px}
.hero-scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;
  font-size:11px;letter-spacing:.4em;color:var(--paper-faint);
  display:flex;flex-direction:column;align-items:center;gap:10px}
.hero-scroll::after{content:"";width:1px;height:44px;
  background:linear-gradient(var(--brass),transparent);animation:scrollPulse 2s infinite}
@keyframes scrollPulse{0%{transform:scaleY(.2);transform-origin:top}55%{transform:scaleY(1)}100%{opacity:0}}

/* ---------- 数据带 ---------- */
.stats{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  background:rgba(17,20,26,.7)}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);width:min(1180px,92vw);margin:0 auto}
.stat{padding:34px 10px;text-align:center;border-left:1px solid var(--line-soft)}
.stat:first-child{border-left:none}
.stat .num{font-family:var(--latin);font-size:clamp(28px,3.4vw,44px);color:var(--brass-bright);line-height:1.1}
.stat .num i{font-style:normal;font-size:.55em;margin-left:2px}
.stat .lab{margin-top:8px;font-size:13px;letter-spacing:.3em;color:var(--paper-dim)}

/* ---------- 区块 ---------- */
.section{padding:110px 0;position:relative}
.section.alt{background:var(--ink-2)}
.sec-head{margin-bottom:60px}
.sec-label{
  display:inline-flex;align-items:center;gap:14px;
  font-family:var(--latin);font-size:12px;letter-spacing:.42em;
  text-transform:uppercase;color:var(--brass);margin-bottom:18px}
.sec-label::before{content:"";width:38px;height:1px;background:var(--brass)}
.sec-head h2{font-size:clamp(28px,3.6vw,44px);line-height:1.35}
.sec-head h2 small{display:block;margin-top:14px;font-family:var(--sans);font-weight:300;
  font-size:15px;letter-spacing:.3em;color:var(--paper-faint)}
.sec-head.center{text-align:center}
.sec-head.center .sec-label::before{display:none}
.sec-head.center .sec-label::after{content:"";width:38px;height:1px;background:var(--brass)}

/* 双列图文 */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.split.rev .split-media{order:2}
.split-media{position:relative}
.split-media img{width:100%;height:520px;object-fit:cover;box-shadow:var(--shadow)}
.split-media .frame{position:absolute;inset:-18px 18px 18px -18px;border:1px solid var(--line);pointer-events:none}
.split-body .kicker{font-size:13px;letter-spacing:.4em;color:var(--brass);margin-bottom:18px}
.split-body h3{font-size:clamp(24px,2.8vw,34px);line-height:1.5;margin-bottom:24px}
.split-body p{color:var(--paper-dim);font-size:15.5px;margin-bottom:18px;text-align:justify}
.split-body .more{margin-top:14px;display:inline-block;font-size:13.5px;letter-spacing:.3em;color:var(--brass-bright);border-bottom:1px solid var(--brass-deep);padding-bottom:6px;transition:color .3s}
.split-body .more:hover{color:var(--paper)}

/* 卡片 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  background:var(--ink-3);border:1px solid var(--line-soft);border-radius:var(--r);
  padding:40px 34px;transition:transform .35s,border-color .35s,background .35s;position:relative}
.card:hover{transform:translateY(-6px);border-color:var(--line);background:#1a1f27}
.card .no{font-family:var(--latin);font-size:13px;letter-spacing:.3em;color:var(--brass);margin-bottom:18px}
.card h4{font-size:19px;letter-spacing:.14em;margin-bottom:14px}
.card p{font-size:14px;color:var(--paper-dim);text-align:justify}
.card .go{position:absolute;top:32px;right:30px;color:var(--brass);opacity:0;transition:opacity .3s}
.card:hover .go{opacity:1}

/* 双产品线 */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.duo-item{position:relative;min-height:560px;display:flex;align-items:flex-end;overflow:hidden;border-radius:var(--r)}
.duo-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s ease}
.duo-item:hover img{transform:scale(1.05)}
.duo-item::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(9,11,14,.05) 30%,rgba(9,11,14,.88) 100%)}
.duo-body{position:relative;z-index:2;padding:44px 46px;width:100%}
.duo-body .en{font-family:var(--latin);font-size:12px;letter-spacing:.4em;color:var(--brass-bright);text-transform:uppercase}
.duo-body h3{font-size:clamp(24px,2.6vw,32px);margin:12px 0 10px}
.duo-body .desc{font-size:14px;color:var(--paper-dim);max-width:420px;margin-bottom:18px}
.duo-body .link{font-size:13px;letter-spacing:.3em;color:var(--brass-bright)}

/* 学府时间轴 / 教育图谱 */
.edu-map{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.edu-step{padding:36px 22px;border-left:1px solid var(--line-soft);text-align:center;transition:background .3s}
.edu-step:first-child{border-left:none}
.edu-step:hover{background:rgba(194,163,93,.06)}
.edu-step .stage{font-size:12px;letter-spacing:.32em;color:var(--brass);margin-bottom:14px}
.edu-step h4{font-size:17px;letter-spacing:.12em;margin-bottom:8px}
.edu-step p{font-size:12.5px;color:var(--paper-faint);letter-spacing:.08em}

/* 配套五维 */
.amen{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.amen-item{background:var(--ink-2);padding:34px 24px;transition:background .3s}
.amen-item:hover{background:var(--ink-3)}
.amen-item .ico{font-family:var(--latin);font-size:22px;color:var(--brass);margin-bottom:14px}
.amen-item h4{font-size:16.5px;margin-bottom:12px;letter-spacing:.2em}
.amen-item li{font-size:13px;color:var(--paper-dim);padding:4px 0;letter-spacing:.06em}

/* 户型表 */
.plan-table{width:100%;border-collapse:collapse;font-size:14.5px}
.plan-table th{
  font-family:var(--serif);font-weight:600;font-size:14px;letter-spacing:.2em;
  color:var(--brass-bright);text-align:left;padding:16px 18px;
  border-bottom:1px solid var(--line)}
.plan-table td{padding:18px;border-bottom:1px solid var(--line-soft);color:var(--paper-dim);vertical-align:top}
.plan-table td:first-child{color:var(--paper);font-family:var(--serif);letter-spacing:.1em;font-size:15.5px;white-space:nowrap}
.plan-table tr{transition:background .3s}
.plan-table tbody tr:hover{background:rgba(194,163,93,.05)}
.plan-table .area{font-family:var(--latin);font-size:15px;color:var(--paper)}
.tagline{display:inline-block;font-size:11.5px;letter-spacing:.18em;color:var(--brass);
  border:1px solid var(--line);padding:3px 10px;margin:2px 6px 2px 0;border-radius:2px}

/* 户型卡 */
.plan-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plan-card{border:1px solid var(--line-soft);background:var(--ink-3);padding:34px 30px;border-radius:var(--r);transition:border-color .3s,transform .3s}
.plan-card:hover{border-color:var(--line);transform:translateY(-4px)}
.plan-card .name{font-family:var(--serif);font-size:18px;letter-spacing:.12em;margin-bottom:6px}
.plan-card .area{font-family:var(--latin);font-size:26px;color:var(--brass-bright);margin-bottom:12px}
.plan-card .area small{font-size:13px;color:var(--paper-faint);letter-spacing:.1em;margin-left:6px}
.plan-card .feat{font-size:13px;color:var(--paper-dim);line-height:2}
.plan-card .book{margin-top:18px;display:inline-block;font-size:12.5px;letter-spacing:.26em;color:var(--brass);border-bottom:1px solid var(--brass-deep);padding-bottom:4px}

/* FAQ */
.faq-group{margin-bottom:44px}
.faq-group h3{
  display:flex;align-items:center;gap:16px;
  font-size:20px;letter-spacing:.2em;margin-bottom:20px;color:var(--brass-bright)}
.faq-group h3 .en{font-family:var(--latin);font-size:11px;letter-spacing:.34em;color:var(--paper-faint);text-transform:uppercase;font-weight:400}
details.faq{border-bottom:1px solid var(--line-soft)}
details.faq summary{
  cursor:pointer;list-style:none;display:flex;align-items:flex-start;gap:16px;
  padding:22px 8px;font-size:15.5px;letter-spacing:.04em;color:var(--paper);
  transition:color .3s;font-family:var(--serif)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::before{content:"问";flex:0 0 auto;margin-top:2px;
  font-size:12px;color:var(--brass);border:1px solid var(--brass-deep);
  width:26px;height:26px;display:grid;place-items:center;border-radius:2px}
details.faq summary::after{content:"+";margin-left:auto;font-family:var(--latin);
  font-size:20px;color:var(--brass);transition:transform .3s;line-height:1}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq[open] summary{color:var(--brass-bright)}
details.faq .ans{padding:2px 50px 26px;font-size:14.5px;color:var(--paper-dim);line-height:2.05;text-align:justify}

/* CTA */
.cta{position:relative;padding:130px 0;text-align:center;overflow:hidden}
.cta .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.cta::after{content:"";position:absolute;inset:0;background:rgba(9,11,14,.78)}
.cta .wrap-n{position:relative;z-index:2}
.cta h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:18px}
.cta p{color:var(--paper-dim);letter-spacing:.24em;margin-bottom:40px;font-size:15px}

/* 预约表单 */
.visit-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.form{background:var(--ink-3);border:1px solid var(--line-soft);padding:46px 42px;border-radius:var(--r)}
.form h3{font-size:20px;letter-spacing:.2em;margin-bottom:8px}
.form .tip{font-size:13px;color:var(--paper-faint);margin-bottom:30px;letter-spacing:.1em}
.field{margin-bottom:22px}
.field label{display:block;font-size:13px;letter-spacing:.24em;color:var(--paper-dim);margin-bottom:10px}
.field input,.field select,.field textarea{
  width:100%;background:rgba(244,240,230,.04);border:1px solid var(--line-soft);
  color:var(--paper);padding:13px 16px;font-size:15px;font-family:var(--sans);
  border-radius:var(--r);transition:border-color .3s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brass)}
.field select option{background:var(--ink-2)}
.form .btn{width:100%;justify-content:center}
.form-note{margin-top:16px;font-size:12px;color:var(--paper-faint);letter-spacing:.08em;text-align:center}
.form .ok{display:none;margin-top:18px;padding:14px;border:1px solid var(--brass-deep);
  color:var(--brass-bright);font-size:14px;letter-spacing:.1em;text-align:center}
.form.sent .ok{display:block}

.info-list li{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line-soft)}
.info-list .k{flex:0 0 84px;font-size:13px;letter-spacing:.3em;color:var(--brass)}
.info-list .v{font-size:15px;color:var(--paper-dim);line-height:1.9}

/* 页头（内页） */
.page-hero{position:relative;padding:210px 0 90px;overflow:hidden}
.page-hero .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.page-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(9,11,14,.72),rgba(11,13,16,.94) 88%)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero .en{font-family:var(--latin);font-size:12px;letter-spacing:.46em;text-transform:uppercase;color:var(--brass);margin-bottom:16px}
.page-hero h1{font-size:clamp(30px,4vw,52px)}
.page-hero .lead{margin-top:20px;max-width:640px;color:var(--paper-dim);letter-spacing:.12em;font-size:15.5px}
.crumbs{margin-top:26px;font-size:12.5px;letter-spacing:.2em;color:var(--paper-faint)}
.crumbs a{color:var(--paper-faint);transition:color .3s}
.crumbs a:hover{color:var(--brass)}
.crumbs i{margin:0 10px;font-style:normal;color:var(--brass-deep)}

/* 悬浮预约球 */
.float-actions{
  position:fixed;right:26px;bottom:30px;z-index:90;
  display:flex;flex-direction:column;gap:12px}
.float-actions a,.float-actions button{
  width:56px;height:56px;border-radius:50%;
  background:rgba(17,20,26,.9);border:1px solid var(--line);
  color:var(--brass-bright);display:grid;place-items:center;
  font-size:12px;letter-spacing:.1em;line-height:1.4;text-align:center;
  cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.5);
  transition:background .3s,color .3s,border-color .3s;font-family:var(--sans)}
.float-actions a:hover,.float-actions button:hover{background:var(--brass);color:#14100a;border-color:var(--brass)}
.float-actions .top{opacity:0;pointer-events:none;transition:opacity .3s}
.float-actions .top.show{opacity:1;pointer-events:auto}

/* 页脚 */
.site-footer{background:#08090c;border-top:1px solid var(--line-soft);padding:80px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:60px}
.footer-brand .zh{font-family:var(--serif);font-size:22px;letter-spacing:.3em;margin-bottom:16px}
.footer-brand .zh b{color:var(--brass-bright)}
.footer-brand p{font-size:13.5px;color:var(--paper-faint);line-height:2.1;max-width:320px}
.site-footer h5{font-size:14px;letter-spacing:.3em;color:var(--brass);margin-bottom:20px;font-weight:600}
.site-footer li{margin-bottom:12px}
.site-footer li a,.site-footer li span{font-size:13.5px;color:var(--paper-dim);transition:color .3s;letter-spacing:.1em}
.site-footer li a:hover{color:var(--brass-bright)}
.footer-bar{
  border-top:1px solid var(--line-soft);padding:22px 0;
  font-size:12px;color:var(--paper-faint);letter-spacing:.14em;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-bar a{color:var(--paper-faint)}
.footer-bar a:hover{color:var(--brass)}

/* 动效 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .main-nav ul{gap:22px}
  .edu-map{grid-template-columns:repeat(3,1fr)}
  .edu-step{border-bottom:1px solid var(--line-soft)}
  .amen{grid-template-columns:repeat(3,1fr)}
  .cards,.plan-cards{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .main-nav{
    position:fixed;inset:76px 0 auto 0;background:rgba(10,12,15,.98);
    backdrop-filter:blur(12px);max-height:0;overflow:hidden;transition:max-height .4s ease;
    border-bottom:1px solid var(--line-soft)}
  .main-nav.open{max-height:420px}
  .main-nav ul{flex-direction:column;gap:0;padding:12px 5vw 20px}
  .main-nav a{display:block;padding:14px 0;border-bottom:1px solid var(--line-soft)}
  .nav-toggle{display:grid;place-items:center}
  .header-phone{display:none}
  .header-cta .btn{display:none}
  .stats-in{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid var(--line-soft)}
  .split,.duo,.visit-grid{grid-template-columns:1fr;gap:40px}
  .split.rev .split-media{order:0}
  .split-media img{height:340px}
  .duo-item{min-height:420px}
  .section{padding:76px 0}
  .cards,.plan-cards,.amen,.edu-map{grid-template-columns:1fr 1fr}
  .edu-step,.amen-item{border-bottom:1px solid var(--line-soft)}
  .plan-table{display:block;overflow-x:auto;white-space:nowrap}
  .float-actions{right:16px;bottom:20px}
  .hero-side{display:none}
  .form{padding:34px 24px}
}
@media (max-width:560px){
  .cards,.plan-cards,.amen,.edu-map{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .brand .en{display:none}
  .hero-in{padding:130px 0 120px}
}