/* ============================================================
   万域智瞰 · 城市站共享设计系统
   风格：东方智库 × 科技商务 | 墨青 / 纸白 / 曜金
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root{
  /* 主色系 */
  --ink:        #122935;   /* 墨青·主文字 */
  --ink-2:      #3c5562;   /* 次级文字 */
  --ink-3:      #72848d;   /* 辅助文字 */
  --brand:      #0e3a4c;   /* 深黛青 */
  --brand-2:    #175468;   /* 黛青亮调 */
  --brand-3:    #0a2b39;   /* 深底 */
  --gold:       #b9924f;   /* 曜金 */
  --gold-2:     #d4b477;   /* 浅金 */
  --paper:      #f6f3ec;   /* 纸白 */
  --paper-2:    #efeade;   /* 深纸 */
  --card:       #fffdf8;   /* 卡片白 */
  --line:       #e2dccf;   /* 暖线 */
  --line-ink:   rgba(18,41,53,.12);

  /* 城市色（由 data-city 注入） */
  --accent:     #2f8f7d;
  --accent-deep:#1f6f60;
  --accent-soft:rgba(47,143,125,.10);

  /* 语义色 */
  --red:  #c0493f;
  --green:#2e8f66;
  --amber:#cf9626;

  /* 大屏 */
  --screen-bg:#071d28;
  --screen-line:rgba(125,198,214,.16);
  --screen-cyan:#6fd0e2;
  --screen-gold:#d8b877;

  /* 字体 */
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",sans-serif;
  --num:"DIN Alternate","Bahnschrift","Segoe UI",var(--sans);

  --shadow-sm:0 2px 10px rgba(18,41,53,.06);
  --shadow:0 14px 40px -12px rgba(18,41,53,.16);
  --shadow-gold:0 16px 44px -14px rgba(185,146,79,.42);
  --radius:4px;
  --wrap:1280px;
}

/* ---------- Reset ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.75;
  font-size:15px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;outline:none}
button{cursor:pointer;border:none;background:none}
::selection{background:var(--gold);color:#fff}

/* 纸纹底噪 */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.028'/%3E%3C/svg%3E");
}
main,header,footer,nav{position:relative;z-index:1}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
@media(max-width:768px){.wrap{padding:0 18px}}

/* ---------- 通用排版 ---------- */
.serif{font-family:var(--serif)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.32em;color:var(--gold);
  text-transform:uppercase;font-weight:600;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}
.sec-title{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(26px,3.4vw,40px);line-height:1.3;color:var(--ink);
  letter-spacing:.02em;
}
.sec-sub{color:var(--ink-3);font-size:15px;margin-top:14px;max-width:680px}
.text-center{text-align:center}
.sec-head{margin-bottom:46px}
.sec-head.text-center .eyebrow::before{display:none}
.sec-head.text-center{display:flex;flex-direction:column;align-items:center}

.gold{color:var(--gold)}
.accent{color:var(--accent-deep)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 30px;font-size:14.5px;letter-spacing:.08em;
  border-radius:var(--radius);transition:all .3s;white-space:nowrap;
  position:relative;overflow:hidden;
}
.btn i{width:16px;height:16px;flex:none}
.btn-primary{background:var(--brand);color:#fdfaf2;border:1px solid var(--brand)}
.btn-primary:hover{background:var(--brand-2);box-shadow:var(--shadow);transform:translateY(-2px)}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#fff;border:1px solid var(--gold);
}
.btn-gold:hover{box-shadow:var(--shadow-gold);transform:translateY(-2px)}
.btn-ghost{border:1px solid rgba(18,41,53,.3);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,58,76,.04)}
.btn-light{border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-light:hover{background:#fff;color:var(--brand)}
.btn-sm{padding:9px 20px;font-size:13px}

/* 链接箭头 */
.more-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);
  font-size:14px;letter-spacing:.06em;border-bottom:1px solid rgba(14,58,76,.25);
  padding-bottom:3px;transition:.25s;
}
.more-link:hover{gap:13px;color:var(--gold);border-color:var(--gold)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:38px;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line);
  transition:top .35s,background .35s,box-shadow .35s;
}
.site-header .nav-inner{
  max-width:var(--wrap);margin:0 auto;padding:0 32px;
  height:76px;display:flex;align-items:center;gap:36px;
}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo-mark{
  width:42px;height:42px;flex:none;
  background:#fff;border-radius:10px;padding:3px;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.05), 0 1px 4px rgba(0,0,0,.06);
}
.logo-mark img{width:100%;height:100%;object-fit:contain;display:block;border-radius:7px}
.logo-txt b{
  display:block;font-family:var(--serif);font-size:19px;letter-spacing:.14em;
  line-height:1.2;color:var(--ink);font-weight:700;
}
.logo-txt span{font-size:9.5px;letter-spacing:.34em;color:var(--ink-3);display:block;margin-top:2px}

.main-nav{display:flex;gap:6px;margin-left:auto}
.main-nav a{
  position:relative;padding:10px 15px;font-size:14.5px;color:var(--ink);
  letter-spacing:.06em;border-radius:2px;
}
.main-nav a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  background:var(--gold);transform:scaleX(0);transition:transform .3s;transform-origin:left;
}
.main-nav a:hover,.main-nav a.active{color:var(--brand)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}

.nav-tools{display:flex;align-items:center;gap:12px;flex:none}
.nav-search-btn{
  width:38px;height:38px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--ink-2);
  background:rgba(255,253,248,.7);
}
.nav-search-btn:hover{color:var(--gold);border-color:var(--gold)}

/* 城市切换 */
.city-switch{position:relative}
.city-switch-btn{
  display:flex;align-items:center;gap:8px;padding:8px 14px;
  border:1px solid var(--line);border-radius:20px;font-size:13px;
  background:rgba(255,253,248,.7);letter-spacing:.05em;
}
.city-switch-btn .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.city-switch-btn .caret{transition:.25s}
.city-switch.open .caret{transform:rotate(180deg)}
.city-menu{
  position:absolute;top:48px;right:0;min-width:190px;
  background:var(--card);border:1px solid var(--line);border-radius:6px;
  box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.25s;
}
.city-switch.open .city-menu{opacity:1;visibility:visible;transform:translateY(0)}
.city-menu a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:4px;
  font-size:14px;
}
.city-menu a:hover{background:var(--paper-2)}
.city-menu a .dot{width:8px;height:8px;border-radius:50%;flex:none}
.city-menu a small{margin-left:auto;color:var(--ink-3);font-size:11px;letter-spacing:.1em}
.city-menu a.active{color:var(--accent-deep);font-weight:600}

.nav-cta{padding:10px 22px;font-size:13.5px}
.nav-burger{display:none;flex-direction:column;gap:5px;width:40px;height:40px;align-items:center;justify-content:center}
.nav-burger span{width:22px;height:2px;background:var(--ink);transition:.3s}

/* 滚动后导航 */
.site-header.scrolled{top:0;background:rgba(246,243,236,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
/* 深色hero上的导航态 */
.site-header.on-dark .logo-txt b{color:#fdfaf2}
.site-header.on-dark .logo-txt span{color:rgba(255,255,255,.55)}
.site-header.on-dark .main-nav a{color:rgba(255,255,255,.88)}
.site-header.on-dark .main-nav a:hover,.site-header.on-dark .main-nav a.active{color:#fff}
.site-header.on-dark .nav-search-btn,
.site-header.on-dark .city-switch-btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:#fff}
.site-header.on-dark .nav-burger span{background:#fff}
.site-header.on-dark.scrolled{background:rgba(10,35,47,.92);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.site-header.on-dark.scrolled .logo-txt b{color:#fdfaf2}

/* ---------- 搜索弹层 ---------- */
.search-overlay{
  position:fixed;inset:0;z-index:200;background:rgba(9,28,38,.78);
  backdrop-filter:blur(8px);display:flex;align-items:flex-start;justify-content:center;
  padding:14vh 24px 40px;opacity:0;visibility:hidden;transition:.3s;
}
.search-overlay.open{opacity:1;visibility:visible}
.search-box{width:min(720px,100%)}
.search-input-wrap{
  display:flex;align-items:center;gap:14px;background:var(--card);
  border-radius:6px;padding:6px 8px 6px 22px;box-shadow:var(--shadow);
  border:1px solid transparent;transition:.25s;
}
.search-input-wrap:focus-within{border-color:var(--gold)}
.search-input-wrap input{flex:1;border:none;background:none;font-size:17px;padding:16px 0;color:var(--ink)}
.search-input-wrap input::placeholder{color:var(--ink-3)}
.search-close{width:42px;height:42px;border-radius:50%;color:var(--ink-2)}
.search-close:hover{background:var(--paper-2)}
.search-hint{margin:18px 4px 0;color:rgba(255,255,255,.55);font-size:13px;letter-spacing:.05em}
.search-hint b{color:var(--gold-2);font-weight:400}
.search-results{margin-top:22px;display:flex;flex-direction:column;gap:10px;max-height:46vh;overflow:auto}
.sr-item{
  display:flex;align-items:center;gap:16px;background:rgba(255,253,248,.97);
  border-radius:5px;padding:15px 20px;transition:.2s;
}
.sr-item:hover{background:#fff;transform:translateX(6px)}
.sr-tag{
  font-size:11px;letter-spacing:.12em;padding:4px 10px;border-radius:2px;flex:none;
  background:var(--accent-soft);color:var(--accent-deep);border:1px solid currentColor;
}
.sr-item h5{font-size:15px;font-weight:600}
.sr-item p{font-size:12.5px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:420px}
.sr-empty{color:rgba(255,255,255,.65);text-align:center;padding:40px 0;font-size:14px}

/* ---------- Hero 通用 ---------- */
.page-hero{
  position:relative;padding:170px 0 90px;color:#fdfaf2;overflow:hidden;
  background:var(--brand-3);
}
.page-hero .ph-bg{position:absolute;inset:0;z-index:0}
.page-hero .ph-bg img{width:100%;height:100%;object-fit:cover;opacity:.32}
.page-hero .ph-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(8,28,39,.95) 0%,rgba(10,38,52,.82) 45%,rgba(10,38,52,.45) 100%);
}
.page-hero .ph-grid{
  position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to right,#000,transparent 80%);
}
.page-hero .wrap{position:relative;z-index:2}
.crumb{font-size:13px;letter-spacing:.12em;color:rgba(255,255,255,.6);margin-bottom:20px}
.crumb a:hover{color:var(--gold-2)}
.crumb span{margin:0 10px;opacity:.5}
.ph-title{
  font-family:var(--serif);font-size:clamp(32px,4.6vw,54px);font-weight:700;
  line-height:1.25;letter-spacing:.03em;
}
.ph-title em{font-style:normal;color:var(--gold-2);position:relative}
.ph-desc{margin-top:20px;font-size:16px;color:rgba(255,255,255,.78);max-width:640px;line-height:1.9}
.ph-actions{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Section 间距 ---------- */
.section{padding:96px 0;position:relative}
.section-tight{padding:64px 0}
.section.bg-paper2{background:var(--paper-2)}
.section.bg-brand{background:var(--brand-3);color:#eaf1f3}
.section.bg-brand .sec-title{color:#fdfaf2}
.section.bg-brand .sec-sub{color:rgba(255,255,255,.6)}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:6px;
  transition:transform .35s,box-shadow .35s,border-color .35s;position:relative;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(185,146,79,.45)}

/* 特征卡 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-grid.two{grid-template-columns:repeat(2,1fr)}
.feature-grid.four{grid-template-columns:repeat(4,1fr)}
.feature-card{padding:36px 30px;overflow:hidden}
.feature-card .fc-idx{
  position:absolute;top:18px;right:22px;font-family:var(--serif);
  font-size:44px;color:rgba(18,41,53,.06);font-weight:700;line-height:1;
}
.feature-card .fc-icon{
  width:52px;height:52px;border-radius:4px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:var(--accent-deep);margin-bottom:22px;
}
.feature-card .fc-icon svg{width:26px;height:26px}
.feature-card h3{font-family:var(--serif);font-size:20px;margin-bottom:12px;font-weight:700}
.feature-card p{color:var(--ink-2);font-size:14px;line-height:1.85}
.feature-card .fc-arrow{
  display:inline-flex;margin-top:18px;font-size:13px;color:var(--ink-3);
  letter-spacing:.08em;gap:6px;transition:.25s;
}
.feature-card:hover .fc-arrow{color:var(--gold);gap:11px}
.feature-card::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--gold),var(--accent));transition:width .4s;
}
.feature-card:hover::after{width:100%}

/* ---------- 数据条 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;position:relative}
.stat + .stat::before{content:"";position:absolute;left:-12px;top:12%;bottom:12%;width:1px;background:var(--line)}
.stat-num{
  font-family:var(--num);font-size:clamp(34px,3.6vw,48px);font-weight:700;
  color:var(--brand);line-height:1.1;
}
.stat-num sup{font-size:.45em;color:var(--gold);margin-left:2px;font-weight:600}
.stat-num em{font-style:normal;color:var(--gold)}
.stat-label{margin-top:8px;color:var(--ink-3);font-size:13.5px;letter-spacing:.1em}

/* ---------- 标签/徽章 ---------- */
.tag{
  display:inline-block;padding:3px 12px;font-size:12px;letter-spacing:.08em;
  border-radius:2px;background:var(--paper-2);color:var(--ink-2);border:1px solid var(--line);
}
.tag-gold{background:rgba(185,146,79,.1);color:#8a6a35;border-color:rgba(185,146,79,.3)}

/* ---------- 表单 ---------- */
.form-row{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.form-row label{font-size:13.5px;color:var(--ink);letter-spacing:.05em;font-weight:600}
.form-row label b{color:var(--red);margin-left:3px;font-weight:600}
.form-row input,.form-row textarea,.form-row select{
  background:#fff;border:1px solid var(--line);border-radius:4px;
  padding:13px 16px;transition:.25s;width:100%;
}
.form-row textarea{resize:vertical;min-height:110px}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{
  border-color:var(--gold);box-shadow:0 0 0 3px rgba(185,146,79,.13)
}
.form-row .err{font-size:12px;color:var(--red);display:none}
.form-row.invalid input,.form-row.invalid textarea{border-color:var(--red)}
.form-row.invalid .err{display:block}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}
.form-grid .full{grid-column:1/-1}

/* ---------- 弹窗（线索表单） ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:300;background:rgba(8,24,33,.72);
  backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;
  padding:24px;opacity:0;visibility:hidden;transition:.3s;
}
.modal-mask.open{opacity:1;visibility:visible}
.modal{
  width:min(560px,100%);max-height:90vh;overflow:auto;
  background:var(--paper);border-radius:8px;border:1px solid var(--line);
  box-shadow:var(--shadow);transform:translateY(24px) scale(.98);transition:.35s;
}
.modal-mask.open .modal{transform:translateY(0) scale(1)}
.modal-head{
  padding:30px 36px 0;position:relative;
}
.modal-head h3{font-family:var(--serif);font-size:24px;font-weight:700}
.modal-head p{color:var(--ink-3);font-size:13.5px;margin-top:6px}
.modal-body{padding:24px 36px 34px}
.modal-close{
  position:absolute;top:20px;right:22px;width:34px;height:34px;border-radius:50%;
  color:var(--ink-3);font-size:20px;line-height:1;
}
.modal-close:hover{background:var(--paper-2);color:var(--ink)}
.modal-success{text-align:center;padding:30px 10px 20px}
.modal-success .ms-icon{
  width:72px;height:72px;margin:0 auto 20px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent-deep);
  display:flex;align-items:center;justify-content:center;
}
.modal-success h3{font-family:var(--serif);font-size:22px;margin-bottom:10px}
.modal-success p{color:var(--ink-2);font-size:14px}

/* ---------- 悬浮 CTA ---------- */
.float-cta{
  position:fixed;right:22px;bottom:90px;z-index:90;display:flex;flex-direction:column;gap:10px;
}
.float-cta a,.float-cta button{
  width:54px;height:54px;border-radius:50%;background:var(--brand);
  color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:var(--shadow);font-size:10px;letter-spacing:.1em;gap:2px;transition:.3s;
}
.float-cta a svg,.float-cta button svg{width:20px;height:20px}
.float-cta a:hover,.float-cta button:hover{background:var(--gold);transform:translateY(-3px)}
.float-cta .fc-main{
  width:auto;height:auto;padding:0;border-radius:27px;flex-direction:row;gap:8px;
  padding:0 22px;background:linear-gradient(135deg,var(--gold-2),var(--gold));
  font-size:14px;letter-spacing:.08em;
}
.float-cta .fc-main svg{width:18px;height:18px}
.back-top{opacity:0;visibility:hidden;transition:.3s}
.back-top.show{opacity:1;visibility:visible}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-3);color:rgba(234,241,243,.72);position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding:66px 0 46px;position:relative;
}
.footer-brand .logo-txt b{color:#fdfaf2}
.footer-brand .logo-txt span{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:20px;font-size:13px;line-height:2;color:rgba(255,255,255,.55);max-width:300px}
.footer-col h4{
  font-size:13px;letter-spacing:.22em;color:#fdfaf2;margin-bottom:20px;font-weight:600;
  display:flex;align-items:center;gap:10px;
}
.footer-col h4::after{content:"";flex:1;height:1px;background:rgba(255,255,255,.12)}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.6);transition:.2s}
.footer-col a:hover{color:var(--gold-2);padding-left:4px}
.footer-contact li{display:flex;gap:12px;font-size:13.5px;margin-bottom:16px;color:rgba(255,255,255,.66)}
.footer-contact svg{width:17px;height:17px;flex:none;margin-top:3px;color:var(--gold-2)}
.footer-qr{
  margin-top:18px;display:inline-flex;flex-direction:column;align-items:center;gap:8px;
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-qr svg{width:84px;height:84px;color:var(--gold-2);opacity:.9}
.footer-qr img{width:84px;height:84px;object-fit:contain;background:#fff;border-radius:6px;padding:4px}
.footer-qr .qr-box{
  width:96px;height:96px;background:#fff;border-radius:4px;padding:7px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;position:relative;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.45);
}
.footer-bottom a:hover{color:var(--gold-2)}
.footer-bottom .links{display:flex;gap:22px;flex-wrap:wrap}
/* 集团归属条 */
.footer-group{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 6px;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.footer-group .fg-badge{
  font-size:12px;letter-spacing:.14em;color:var(--gold-2);
  border:1px solid rgba(216,184,119,.4);border-radius:999px;padding:5px 16px;
  white-space:nowrap;
}
.footer-group .fg-links{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
.footer-group .fg-links a:hover{color:var(--gold-2)}

/* ---------- 全局SVG图标尺寸兜底 ----------
   icon() 输出的 svg 无 width/height（默认渲染300x150）。
   此处给全局最小特异性默认（1em≈14px），
   已有的具体规则（logo-mark/footer-contact/scr-map 等）均优先覆盖。 */
svg{width:1em;height:1em;flex:none;vertical-align:middle}
.scr-map svg,.logo-mark svg,.footer-qr .qr-box svg{width:100%;height:100%}
.btn svg,.more-link svg,.hero-badge svg,.faq-item summary svg,
.city-btn svg,.search-trigger svg,.search-input svg,.lead-close svg,
.nav-cta svg,.crumb svg,.article-nav a svg{width:14px;height:14px}
.ci-card .ci-ic svg{width:20px;height:20px}
.fg-badge svg{width:12px;height:12px}

/* ---------- 面包屑/分页 ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:54px}
.pagination button{
  min-width:42px;height:42px;padding:0 14px;border:1px solid var(--line);
  background:var(--card);border-radius:4px;font-size:14px;color:var(--ink-2);transition:.2s;
}
.pagination button:hover:not(:disabled){border-color:var(--gold);color:var(--gold)}
.pagination button.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.pagination button:disabled{opacity:.4;cursor:not-allowed}

/* ---------- 筛选条 ---------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.filter-bar button{
  padding:9px 22px;border-radius:22px;border:1px solid var(--line);
  background:var(--card);font-size:14px;color:var(--ink-2);transition:.25s;
}
.filter-bar button:hover{border-color:var(--brand);color:var(--brand)}
.filter-bar button.active{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}
.reveal-d3{transition-delay:.24s}.reveal-d4{transition-delay:.32s}

/* ---------- 公告条 ---------- */
.topbar{
  background:rgba(255,255,255,.65);backdrop-filter:blur(10px);color:var(--ink-2);font-size:12.5px;
  position:fixed;top:0;left:0;right:0;z-index:101;
  transition:transform .35s;
}
.topbar.hide{transform:translateY(-100%)}
.topbar .wrap{display:flex;align-items:center;height:38px;gap:20px}
.topbar a{color:var(--ink-2)}
.topbar a:hover{color:var(--gold)}
.topbar .tb-left{display:flex;align-items:center;gap:8px}
.topbar .tb-right{margin-left:auto;display:flex;gap:22px}
.topbar svg{width:13px;height:13px;color:var(--gold)}

/* ---------- 通用网格/辅助 ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.mt-0{margin-top:0}.mt-s{margin-top:14px}.mt-m{margin-top:28px}.mt-l{margin-top:48px}
.muted{color:var(--ink-3)}
.divider-gold{width:56px;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-2));margin:18px 0}
.text-center .divider-gold{margin-left:auto;margin-right:auto}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){
  .feature-grid.four{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .stat:nth-child(3)::before{display:none}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:900px){
  .main-nav,.nav-cta,.nav-cta-wrap{display:none}
  .nav-burger{display:flex}
  .main-nav.mobile-open{
    display:flex;flex-direction:column;position:absolute;top:76px;left:0;right:0;
    background:var(--paper);padding:14px 24px 26px;gap:2px;box-shadow:var(--shadow);
    margin-left:0;
  }
  .main-nav.mobile-open a{padding:14px 10px;border-bottom:1px solid var(--line)}
  .feature-grid,.feature-grid.two,.grid-2,.grid-3{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
  .page-hero{padding:140px 0 64px}
  .footer-top{grid-template-columns:1fr}
  .float-cta{right:14px;bottom:20px}
  .topbar .tb-right{display:none}
}
@media(max-width:560px){
  .feature-grid.four{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr}
  .ph-actions .btn{width:100%;justify-content:center}
}