/* ==========================================================
   观潮智库官网 V3.0 全站样式 · 汇聚智慧，洞察未来
   设计语言：深海蓝 + 潮汐金 · 高端智库服务平台
   ========================================================== */
:root{
  --navy:#0A1F3C;          /* 深海蓝（主色） */
  --navy2:#0E2E55;         /* 深蓝过渡 */
  --navy3:#14406F;         /* 亮深蓝 */
  --blue:#1B6DC1;          /* 潮汐蓝（辅助） */
  --blue2:#2E86DE;
  --gold:#C9A45C;          /* 潮汐金（点缀） */
  --gold2:#E6C98B;
  --gold-grad:linear-gradient(135deg,#E6C98B,#C9A45C 55%,#A98446);
  --ink:#1F2937;
  --muted:#6B7280;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E4EAF2;
  --ok:#2F8F5B;
  --warn:#C0392B;
  --r-lg:18px;
  --r-md:14px;
  --shadow-sm:0 2px 10px rgba(10,31,60,.06);
  --shadow-md:0 10px 30px rgba(10,31,60,.10);
  --shadow-lg:0 22px 52px rgba(10,31,60,.16);
  --font-num:"DIN Alternate","Barlow Condensed","PingFang SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;background:var(--bg);color:var(--ink);line-height:1.8;font-size:15px}
a{color:var(--blue);text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(201,164,92,.35)}
.container{max-width:1200px;margin:0 auto;padding:0 22px}

/* ========== 1. 顶部导航（吸顶，两种状态） ========== */
.topbar{position:sticky;top:0;z-index:1000;transition:all .3s ease;background:rgba(10,31,60,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.topbar.scrolled{background:rgba(255,255,255,.96);box-shadow:0 4px 24px rgba(10,31,60,.10)}
.nav{display:flex;align-items:center;height:76px;gap:18px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo img{height:42px;width:auto;border-radius:8px}
.logo .nm{display:flex;flex-direction:column;line-height:1.25}
.logo .nm .cn{font-size:21px;font-weight:800;letter-spacing:2px;color:#fff;transition:color .3s}
.logo .nm .en{font-size:9px;color:rgba(255,255,255,.6);letter-spacing:2.5px;font-family:var(--font-num)}
.topbar.scrolled .logo .nm .cn{color:var(--navy)}
.topbar.scrolled .logo .nm .en{color:#9AA9BC}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links>a,.nav-links .drop>a{color:rgba(255,255,255,.92);font-size:14.5px;padding:9px 14px;border-radius:8px;transition:.25s;position:relative;font-weight:500}
.topbar.scrolled .nav-links>a,.topbar.scrolled .nav-links .drop>a{color:var(--ink)}
.nav-links>a:hover,.nav-links .drop>a:hover{color:var(--gold2);background:rgba(255,255,255,.10)}
.topbar.scrolled .nav-links>a:hover,.topbar.scrolled .nav-links .drop>a:hover{color:var(--blue);background:#EEF4FB}
.nav-links .drop{position:relative}
.nav-links .drop>a::after{content:"";display:inline-block;width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);margin-left:7px;opacity:.7}
.drop-menu{display:none;position:absolute;top:calc(100% + 10px);left:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);padding:10px;min-width:236px;z-index:99}
.drop:hover .drop-menu{display:block;animation:dropIn .22s ease}
@keyframes dropIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.drop-menu a{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;font-size:14px;color:var(--ink);transition:.18s}
.drop-menu a:hover{background:#F1F6FC;color:var(--blue);transform:translateX(3px)}
.drop-menu a .d-ic{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#0E2E55,#14406F);color:var(--gold2);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.drop-menu a.dm-hot::after{content:"热";font-size:10px;color:#fff;background:linear-gradient(135deg,#C0392B,#E0705A);border-radius:8px;padding:1px 7px;margin-left:auto}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:6px}
.nav-search{position:relative}
.nav-search .s-btn{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;transition:.2s}
.topbar.scrolled .nav-search .s-btn{border-color:var(--line);background:#fff;color:var(--navy)}
.nav-search .s-btn:hover{border-color:var(--gold);color:var(--gold2)}
.search-panel{display:none;position:absolute;top:calc(100% + 12px);right:0;width:380px;background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);border:1px solid var(--line);overflow:hidden;z-index:120}
.search-panel.show{display:block;animation:dropIn .2s ease}
.search-panel .sp-in{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.search-panel .sp-in input{flex:1;border:none;outline:none;font-size:14.5px;font-family:inherit;color:var(--ink);background:transparent}
.search-panel .sp-in .go{background:var(--gold-grad);color:#fff;border:none;border-radius:8px;padding:7px 16px;font-size:13px;cursor:pointer;font-family:inherit;font-weight:600}
.search-panel .sp-res{max-height:340px;overflow-y:auto;padding:8px}
.search-panel .sp-res a{display:block;padding:10px 12px;border-radius:10px;color:var(--ink);transition:.15s}
.search-panel .sp-res a:hover{background:#F1F6FC}
.search-panel .sp-res a b{display:block;font-size:13.5px;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.search-panel .sp-res a span{font-size:12px;color:var(--muted)}
.search-panel .sp-empty{padding:22px;text-align:center;color:var(--muted);font-size:13px}
.nav-cta{margin-left:2px}
.nav-toggle{display:none;margin-left:4px;background:none;border:none;cursor:pointer;padding:8px;border-radius:8px}
.nav-toggle span{display:block;width:24px;height:2.4px;background:#fff;margin:5px 0;border-radius:2px;transition:.25s}
.topbar.scrolled .nav-toggle span{background:var(--navy)}

/* 移动端抽屉 */
.drawer{position:fixed;top:0;right:-330px;width:310px;height:100vh;background:#fff;z-index:2000;transition:right .32s cubic-bezier(.4,0,.2,1);box-shadow:-16px 0 44px rgba(10,31,60,.18);overflow-y:auto}
.drawer.open{right:0}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:20px 22px;background:linear-gradient(135deg,var(--navy),var(--navy3));color:#fff}
.drawer-head .dh-b{font-size:17px;font-weight:800;letter-spacing:1px}
.drawer-close{background:none;border:none;font-size:26px;color:#fff;cursor:pointer;line-height:1;opacity:.85}
.drawer nav{padding:14px 22px}
.drawer nav a{display:flex;align-items:center;justify-content:space-between;padding:13px 2px;color:var(--ink);font-size:15.5px;border-bottom:1px dashed var(--line)}
.drawer nav a:hover{color:var(--blue)}
.drawer nav a .sub{font-size:11px;color:#A6B4C4}
.drawer .d-cta{padding:18px 22px 30px}
.drawer .d-cta .btn{width:100%;margin-top:10px}
.mask{display:none;position:fixed;inset:0;background:rgba(10,31,60,.5);z-index:1900;backdrop-filter:blur(2px)}
.mask.show{display:block}

/* 移动端底部标签栏 */
.tabbar{display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:900;padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 20px rgba(10,31,60,.06)}
.tabbar .tb-in{display:grid;grid-template-columns:repeat(5,1fr)}
.tabbar a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 0 7px;color:#8A96A6;font-size:11px}
.tabbar a .tb-ic{font-size:19px;line-height:1}
.tabbar a.on{color:var(--navy);font-weight:700}
.tabbar a.on .tb-ic{color:var(--gold)}

/* ========== 2. 按钮体系 ========== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-size:15px;padding:12px 24px;border:none;cursor:pointer;transition:all .25s;text-align:center;font-family:inherit;font-weight:600;line-height:1.4}
.btn-gold{background:var(--gold-grad);color:#fff;box-shadow:0 6px 18px rgba(201,164,92,.38)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,164,92,.5)}
.btn-gold:active{transform:translateY(0)}
.btn-blue{background:linear-gradient(135deg,#1B6DC1,#14406F);color:#fff}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(27,109,193,.34)}
.btn-outline{background:transparent;color:#fff;border:1.6px solid rgba(255,255,255,.55)}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px)}
.btn-outline.dark{color:var(--blue);border-color:var(--blue)}
.btn-outline.dark:hover{background:#EEF4FB}
.btn-ghost{background:#F1F6FC;color:var(--navy);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--gold);color:#8A6A2F;background:#FBF6EC}
.btn-lg{padding:15px 34px;font-size:16px;border-radius:12px}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:8px}
.btn .ar{transition:transform .25s}
.btn:hover .ar{transform:translateX(3px)}

/* ========== 3. 首页 Hero ========== */
.hero{position:relative;color:#fff;overflow:hidden;background:radial-gradient(1200px 600px at 85% -10%,rgba(27,109,193,.55),transparent 60%),radial-gradient(900px 520px at -10% 110%,rgba(201,164,92,.22),transparent 55%),linear-gradient(160deg,#0A1F3C 0%,#0E2E55 55%,#123B66 100%)}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1.4px);background-size:34px 34px;opacity:.35;pointer-events:none}
.hero-orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;pointer-events:none;animation:orbFloat 14s ease-in-out infinite}
.hero-orb.o1{width:340px;height:340px;background:rgba(46,134,222,.5);top:-120px;right:-80px}
.hero-orb.o2{width:260px;height:260px;background:rgba(201,164,92,.4);bottom:-80px;left:-60px;animation-delay:-6s}
@keyframes orbFloat{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-26px) scale(1.06)}}
.hero .wave{position:absolute;left:0;right:0;bottom:-1px;line-height:0;pointer-events:none}
.hero .wave svg{width:100%;height:90px;display:block}
.hero .container{position:relative;display:grid;grid-template-columns:1.25fr .9fr;gap:52px;padding-top:88px;padding-bottom:130px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(201,164,92,.65);color:var(--gold2);font-size:13px;padding:6px 18px;border-radius:30px;margin-bottom:24px;letter-spacing:2px;background:rgba(201,164,92,.08);font-weight:600}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--gold2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:52px;line-height:1.28;margin-bottom:18px;letter-spacing:2px;font-weight:800}
.hero h1 .gold{background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:#C7D8EC;font-size:17.5px;max-width:560px;margin-bottom:30px;line-height:1.9}
.hero .lead .hero-slogan{display:block;margin-top:10px;color:var(--gold2);font-weight:700;letter-spacing:1px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-trust{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:12.5px;color:#8FA9C8}
.hero-trust .ht-l{display:flex;flex-direction:column;gap:4px}
.hero-trust .stars{color:var(--gold2);letter-spacing:2px;font-size:13px}
.hero-trust .sep{width:1px;height:26px;background:rgba(255,255,255,.18)}
.hero-card{position:relative;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:30px 28px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 30px 60px rgba(0,0,0,.25)}
.hero-card::before{content:"";position:absolute;inset:0;border-radius:20px;padding:1.6px;background:linear-gradient(135deg,rgba(201,164,92,.7),rgba(255,255,255,.08) 40%,rgba(27,109,193,.5));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.hero-card h3{color:#fff;font-size:16px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.hero-card h3 .hc-ic{width:30px;height:30px;border-radius:9px;background:var(--gold-grad);display:flex;align-items:center;justify-content:center;font-size:15px}
.hero-card .hc-sub{color:#9DB6D4;font-size:12.5px;margin-bottom:18px}
.hc-step{display:flex;gap:13px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.14);align-items:flex-start}
.hc-step:last-of-type{border-bottom:none}
.hc-step .n{width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(201,164,92,.5);color:var(--gold2);font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:var(--font-num)}
.hc-step b{display:block;color:#fff;font-size:14px}
.hc-step span{color:#9DB6D4;font-size:12.5px}
.hero-card .hc-cta{margin-top:18px}

/* ========== 4. 通用区块 ========== */
.sec{padding:80px 0}
.sec.tint{background:#fff}
.sec.alt{background:var(--bg)}
.sec.dark{background:radial-gradient(900px 480px at 90% 0%,rgba(27,109,193,.35),transparent 60%),linear-gradient(160deg,#0A1F3C,#0E2E55);color:#fff;position:relative;overflow:hidden}
.sec.dark::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1.4px);background-size:30px 30px;opacity:.3;pointer-events:none}
.sec-head{text-align:center;max-width:780px;margin:0 auto 50px;position:relative}
.sec-head .kicker{color:#A98446;font-size:13px;letter-spacing:4px;margin-bottom:10px;font-weight:700;display:inline-flex;align-items:center;gap:10px}
.sec-head .kicker::before,.sec-head .kicker::after{content:"";width:26px;height:1.5px;background:linear-gradient(90deg,transparent,var(--gold))}
.sec-head .kicker::after{background:linear-gradient(90deg,var(--gold),transparent)}
.sec-head h2{font-size:32px;color:var(--navy);letter-spacing:1.5px;font-weight:800;line-height:1.4}
.sec.dark .sec-head h2{color:#fff}
.sec-head p{color:var(--muted);margin-top:12px;font-size:15px}
.sec.dark .sec-head p{color:#AEC4DE}
.more-link{display:inline-flex;align-items:center;gap:5px;font-size:14px;color:var(--blue);font-weight:600;transition:.2s}
.more-link:hover{gap:9px;color:#155EA8}
.sec.dark .more-link{color:var(--gold2)}

.grid{display:grid;gap:22px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.grid.five{grid-template-columns:repeat(5,1fr)}
.grid.six{grid-template-columns:repeat(6,1fr)}

/* 卡片通用 hover 动效 */
.hover-card{transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s,border-color .3s}
.hover-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}

/* ========== 5. 我们是谁 / 简介区 ========== */
.about-split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.about-split .as-l .kicker{color:#A98446;font-size:13px;letter-spacing:3px;font-weight:700;margin-bottom:12px}
.about-split h3{font-size:28px;color:var(--navy);line-height:1.5;margin-bottom:16px}
.about-split h3 em{font-style:normal;color:var(--blue)}
.about-split .as-l p{color:#4A5A6E;font-size:15.5px;margin-bottom:14px;text-align:justify}
.about-split .as-l .p-def{background:#FBF6EC;border-left:4px solid var(--gold);padding:16px 20px;border-radius:0 12px 12px 0;font-size:15.5px;color:#6B5730;margin:20px 0;font-weight:500}
.as-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.as-tags span{background:#EEF4FB;color:var(--blue);font-size:13px;padding:6px 15px;border-radius:22px;font-weight:600}

/* 数字带 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:30px 16px;transition:.3s}
.stat:hover{background:rgba(255,255,255,.11);transform:translateY(-4px)}
.stat .num{font-family:var(--font-num);font-size:54px;font-weight:800;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.15}
.stat .lbl{color:#C4D6EA;font-size:14px;margin-top:8px;letter-spacing:1px}
.stat .extra{color:#8FA9C8;font-size:12px;margin-top:3px}

/* ========== 6. 服务卡 ========== */
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s,border-color .3s;position:relative;overflow:hidden;display:block;color:var(--ink)}
.svc-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3.5px;background:var(--gold-grad);opacity:0;transition:.3s}
.svc-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-md);border-color:rgba(201,164,92,.5)}
.svc-card:hover::before{opacity:1}
.svc-card .ic{width:56px;height:56px;border-radius:15px;background:linear-gradient(135deg,#EEF4FB,#E3EDF9);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:24px;transition:.3s}
.svc-card:hover .ic{background:linear-gradient(135deg,#0E2E55,#14406F);transform:rotate(-6deg) scale(1.06)}
.svc-card:hover .ic span{filter:invert(1)}
.svc-card h3{font-size:17.5px;color:var(--navy);margin-bottom:9px;letter-spacing:.5px}
.svc-card p{font-size:13.5px;color:var(--muted);line-height:1.85}
.svc-card .svc-more{display:inline-flex;align-items:center;gap:5px;margin-top:14px;font-size:13px;font-weight:700;color:var(--blue);opacity:0;transform:translateY(4px);transition:.3s}
.svc-card:hover .svc-more{opacity:1;transform:none}

/* ========== 7. 领域卡 ========== */
.dom-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s,border-color .3s;display:block;color:var(--ink);position:relative;overflow:hidden}
.dom-card::after{content:"";position:absolute;right:-30px;bottom:-30px;width:100px;height:100px;border-radius:50%;background:radial-gradient(circle,rgba(201,164,92,.16),transparent 70%);transition:.3s}
.dom-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(201,164,92,.55)}
.dom-card:hover::after{transform:scale(1.4)}
.dom-card .d-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.dom-card .dn{font-size:17px;font-weight:800;color:var(--navy)}
.dom-card .d-no{font-family:var(--font-num);font-size:13px;color:#C7D2E0;font-weight:700}
.dom-card .dc{font-size:11.5px;color:var(--gold);letter-spacing:1.5px;margin-bottom:10px;font-weight:600}
.dom-card .dt{font-size:13px;color:var(--muted);min-height:42px;line-height:1.75}
.dom-card .chips{margin-top:14px}

/* ========== 8. 客户卡 ========== */
.client-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 22px;text-align:center;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative}
.client-card::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:0;height:3px;background:var(--gold-grad);transition:.3s;border-radius:0 0 4px 4px}
.client-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.client-card:hover::before{width:70%}
.client-card .c-ic{width:58px;height:58px;margin:0 auto 14px;border-radius:16px;background:linear-gradient(135deg,#F1F6FC,#E3EDF9);display:flex;align-items:center;justify-content:center;font-size:26px}
.client-card h4{color:var(--navy);font-size:16.5px;margin-bottom:7px}
.client-card p{color:var(--muted);font-size:13px;line-height:1.7}

/* ========== 9. 合作机构条 ========== */
.partners{padding:40px 0;background:#fff;border-bottom:1px solid var(--line)}
.partners .p-label{text-align:center;font-size:12.5px;color:#98A6B8;letter-spacing:3px;margin-bottom:22px;font-weight:600}
.partners .p-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 22px;align-items:center}
.partners .p-item{font-size:15px;color:#5A6B80;font-weight:700;white-space:nowrap;opacity:.9;transition:.2s;letter-spacing:.5px}
.partners .p-item:hover{color:var(--blue);opacity:1;transform:translateY(-2px)}
.partners .p-item .p-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--gold);margin-right:8px;vertical-align:middle;opacity:.6}

/* ========== 10. 服务流程 ========== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.step{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:18px;padding:28px 18px;text-align:center;position:relative;transition:.3s}
.step:hover{background:rgba(255,255,255,.12);transform:translateY(-5px);border-color:rgba(201,164,92,.55)}
.step .no{width:40px;height:40px;border-radius:50%;background:var(--gold-grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:16px;font-family:var(--font-num);box-shadow:0 6px 16px rgba(201,164,92,.4)}
.step h4{color:#fff;font-size:15.5px;margin-bottom:7px}
.step p{color:#A7BDD8;font-size:12.5px;line-height:1.7}
.step .arrow{position:absolute;top:34px;right:-15px;color:var(--gold);font-size:16px;z-index:2}
.step:last-child .arrow{display:none}
/* 浅色背景下的步骤卡（专家邀约页）：白卡片 + 藏青文字 */
.steps-light .step{background:#fff;border-color:var(--line);box-shadow:var(--shadow-sm)}
.steps-light .step:hover{background:#F8FAFE;border-color:rgba(201,164,92,.55)}
.steps-light .step h4{color:var(--navy)}
.steps-light .step p{color:#4A5B72}
.steps-light .step .arrow{color:var(--gold)}

/* ========== 11. 专家卡 ========== */
.exp-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 20px;text-align:center;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.exp-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gold-grad);opacity:0;transition:.3s}
.exp-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(201,164,92,.5)}
.exp-card:hover::before{opacity:1}
.exp-card .av{width:92px;height:112px;margin:0 auto 14px;border-radius:14px;background:linear-gradient(160deg,#123B66,#0A1F3C);display:flex;align-items:center;justify-content:center;color:var(--gold2);font-size:30px;font-weight:800;border:2px solid rgba(201,164,92,.7);position:relative;overflow:hidden;font-family:var(--font-num)}
.exp-card .av::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 50% 0%,rgba(255,255,255,.18),transparent 60%)}
.exp-card h4{color:var(--navy);font-size:16px;font-weight:700}
.exp-card .t{color:var(--muted);font-size:12.5px;margin:3px 0 12px;line-height:1.6}
.exp-card .chips{justify-content:center}
.exp-card .exp-tag{position:absolute;top:12px;right:12px;background:#FBF6EC;color:#8A6A2F;font-size:10.5px;padding:2px 9px;border-radius:12px;font-weight:600}

/* ========== 12. 文章卡 ========== */
/* 每日同步提示条（政策解读 × 公众号联动） */
.sync-strip{display:flex;align-items:center;gap:14px;background:linear-gradient(90deg,rgba(27,109,193,.07),rgba(230,201,139,.12));border:1px solid rgba(27,109,193,.16);border-radius:var(--r-md);padding:13px 18px;margin-bottom:20px}
.sync-strip .sync-dot{width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.18);flex:none;animation:sync-pulse 2s ease-in-out infinite}
.sync-strip .sync-t{flex:1;min-width:0}
.sync-strip .sync-t b{display:block;font-size:15px;color:var(--ink);font-weight:700}
.sync-strip .sync-t span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.sync-strip .sync-t #syncDate{color:var(--blue);font-weight:700}
@keyframes sync-pulse{0%,100%{opacity:1}50%{opacity:.4}}
@media(max-width:640px){.sync-strip{flex-wrap:wrap}.sync-strip .btn{margin-left:24px}}
.art-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s,border-color .3s;display:block;color:var(--ink);position:relative;overflow:hidden}
.art-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3.5px;background:var(--gold-grad);opacity:0;transition:.3s}
.art-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(27,109,193,.35)}
.art-card:hover::before{opacity:1}
.art-card .chips{margin-bottom:11px}
.art-card h4{color:var(--navy);font-size:17px;line-height:1.55;margin-bottom:9px;font-weight:700}
.art-card p{color:var(--muted);font-size:13.5px;line-height:1.8}
.art-card .au{margin-top:14px;font-size:12.5px;color:#96A1B0;display:flex;align-items:center;gap:6px}
.art-card .au .au-dot{width:4px;height:4px;border-radius:50%;background:var(--gold)}

/* ========== 13. 案例卡 ========== */
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s;display:block;color:var(--ink)}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(201,164,92,.5)}
.case-card .cover{height:158px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:36px;font-weight:800;letter-spacing:3px;position:relative;overflow:hidden;font-family:var(--font-num)}
.case-card .cover::after{content:"";position:absolute;inset:0;background:radial-gradient(70% 60% at 50% 0%,rgba(255,255,255,.22),transparent 60%)}
.case-card .cover span{position:relative;z-index:1}
.case-card .bd{padding:20px 22px 22px}
.case-card .meta{font-size:12px;color:var(--gold);margin-bottom:7px;font-weight:700;letter-spacing:1px}
.case-card h4{color:var(--navy);font-size:16.5px;margin-bottom:7px}
.case-card p{color:var(--muted);font-size:13px;line-height:1.75}

/* ========== 14. 动态时间线 ========== */
.news-item{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;transition:.25s;align-items:flex-start}
.news-item:hover{border-color:rgba(201,164,92,.5);box-shadow:var(--shadow-sm);transform:translateX(4px)}
.news-item .date{flex-shrink:0;text-align:center;background:linear-gradient(160deg,#0E2E55,#0A1F3C);color:#fff;border-radius:12px;padding:9px 13px;min-width:66px}
.news-item .date b{display:block;font-size:19px;font-family:var(--font-num);color:var(--gold2)}
.news-item .date span{font-size:11px;color:#9DB6D4;letter-spacing:1px}
.news-item h4{color:var(--navy);font-size:15.5px;margin-bottom:5px}
.news-item p{color:var(--muted);font-size:13px;line-height:1.7}

/* ========== 15. CTA 大区 ========== */
.cta-band{background:radial-gradient(700px 400px at 90% -10%,rgba(46,134,222,.4),transparent 60%),linear-gradient(135deg,#0A1F3C,#0E2E55 70%,#14406F);border-radius:22px;color:#fff;padding:56px 54px;display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1.4px);background-size:28px 28px;opacity:.25}
.cta-band::after{content:"";position:absolute;right:-70px;bottom:-70px;width:280px;height:280px;border-radius:50%;border:2px solid rgba(201,164,92,.4)}
.cta-band>*{position:relative}
.cta-band .cb-k{color:var(--gold2);font-size:13px;letter-spacing:3px;font-weight:700;margin-bottom:10px}
.cta-band h2{font-size:30px;margin-bottom:14px;letter-spacing:1px;line-height:1.45}
.cta-band p{color:#B9CDE4;margin-bottom:26px;max-width:560px}
.cta-band .btns{display:flex;gap:12px;flex-wrap:wrap}
.cta-mini{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:22px 20px}
.cta-mini h4{color:#fff;font-size:14.5px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.cta-mini .f{padding:11px 13px;background:rgba(255,255,255,.09);border-radius:10px;margin-bottom:9px;font-size:13px;color:#C4D6EA;display:flex;gap:10px;align-items:center}
.cta-mini .f .fi{width:26px;height:26px;border-radius:8px;background:var(--gold-grad);display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}
.cta-mini .f b{color:#fff;font-weight:600}

/* ========== 16. 页脚 ========== */
footer{background:#071627;color:#A9BFD8;padding:64px 0 0;position:relative;overflow:hidden}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gold-grad)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:44px}
footer h5{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:1.5px;position:relative;padding-bottom:10px}
footer h5::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--gold-grad);border-radius:2px}
footer a{color:#A9BFD8;display:block;padding:5px 0;font-size:13.5px;transition:.2s}
footer a:hover{color:var(--gold2);transform:translateX(3px)}
footer .brand .fb-logo{display:flex;align-items:center;gap:12px;margin-bottom:14px}
footer .brand .fb-logo img{height:44px;width:auto;border-radius:9px}
footer .brand .fb-logo .fb-txt{display:flex;flex-direction:column;line-height:1.35}
footer .brand .fb-logo .cn{color:#fff;font-size:20px;font-weight:800;letter-spacing:2px}
footer .brand .fb-logo .en{font-size:9px;letter-spacing:2.5px;color:#5E7691;font-family:var(--font-num)}
footer .brand p{font-size:13px;color:#7E94AF;margin:10px 0;line-height:1.9}
footer .brand .disclaimer{font-size:11.5px;color:#5E7691;margin-top:14px;line-height:1.8;border-top:1px solid rgba(255,255,255,.08);padding-top:14px}
.footer-qr{display:flex;align-items:center;gap:14px 16px;margin-top:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:13px 15px;min-width:0}
.footer-qr .wx-qr-placeholder.small{width:64px;height:64px;border-radius:8px}
.footer-qr .fq-t{font-size:12.5px;color:#C4D6EA;display:flex;flex-wrap:wrap;gap:5px 16px;align-items:center;min-width:0;width:100%}
.footer-qr .fq-row{display:flex;align-items:center;gap:0 6px;white-space:nowrap;min-width:0}
.footer-qr .fq-t .fq-l{color:#8FA9C8;white-space:nowrap;letter-spacing:.5px;flex-shrink:0}
.footer-qr .fq-t b{color:var(--gold2);cursor:pointer;border-bottom:1px dashed rgba(201,164,92,.5);min-width:0;word-break:break-word;overflow-wrap:break-word}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:22px 0;font-size:12.5px;color:#6D87A3;text-align:center}
.footer-bottom a{display:inline;color:#8FA9C8;padding:0 8px}
.footer-bottom a:hover{color:var(--gold2);transform:none}
.footer-bottom .fbl-sep{margin:0 10px;color:rgba(255,255,255,.14)}
.footer-bottom .fbl-links{display:inline-block;margin-left:4px}

/* 使命 · 愿景 · 价值观（V7.0 权威化） */
.mv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mv-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;box-shadow:var(--shadow-sm);overflow:hidden;transition:.25s}
.mv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.mv-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gold-grad)}
.mv-no{position:absolute;top:16px;right:22px;font-family:var(--font-num);font-size:40px;font-weight:800;color:#E7EEF7;line-height:1}
.mv-ic{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,#0E2E55,#14406F);display:flex;align-items:center;justify-content:center;font-size:21px;margin-bottom:16px}
.mv-card h4{font-size:16px;color:var(--navy);margin-bottom:10px;letter-spacing:1px}
.mv-card p{font-size:14px;color:#52627A;line-height:1.9}

/* ========== 17. 内页 Banner ========== */
.banner{background:radial-gradient(800px 420px at 85% -10%,rgba(27,109,193,.5),transparent 60%),linear-gradient(160deg,#0A1F3C,#0E2E55 60%,#123B66);color:#fff;padding:72px 0 84px;position:relative;overflow:hidden}
.banner::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1.4px);background-size:32px 32px;opacity:.3}
.banner::after{content:"";position:absolute;right:-60px;bottom:-90px;width:320px;height:320px;border-radius:50%;border:2px solid rgba(201,164,92,.3)}
.banner .crumb{position:relative;font-size:12.5px;color:#8FA9C8;margin-bottom:16px;display:flex;align-items:center;gap:8px;letter-spacing:.5px}
.banner .crumb a{color:#AEC4DE;transition:.2s}
.banner .crumb a:hover{color:var(--gold2)}
.banner .crumb .sep{opacity:.5}
.banner h1{position:relative;font-size:38px;letter-spacing:2px;margin-bottom:12px;font-weight:800}
.banner h1 .gold{background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.banner p{position:relative;color:#C4D6EA;max-width:720px;font-size:15.5px}
.banner .b-meta{position:relative;display:flex;gap:26px;margin-top:22px;flex-wrap:wrap}
.banner .b-meta .bm{font-size:13px;color:#9DB6D4}
.banner .b-meta .bm b{color:var(--gold2);font-size:20px;font-family:var(--font-num);margin-right:5px}

.breadcrumbs{font-size:12.5px;color:var(--muted);padding:18px 0}
.breadcrumbs a{color:var(--blue)}
.breadcrumbs .sep{margin:0 8px;color:#B9C4D2}

.page{padding:6px 0 76px}
.page .sec{padding:50px 0}
.page .sec:first-child{padding-top:26px}

/* ========== 18. 内容版式 ========== */
.prose{max-width:860px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:40px 44px;box-shadow:var(--shadow-sm)}
.prose h3{font-size:19px;color:var(--navy);margin:28px 0 12px;padding-left:13px;border-left:4px solid var(--gold);line-height:1.5}
.prose h3:first-child{margin-top:0}
.prose p{margin:11px 0;font-size:15px;color:#3A4A5E;text-align:justify}
.prose ul{margin:11px 0 11px 24px}
.prose li{margin:6px 0;font-size:14.5px;color:#3A4A5E}
.inst-list{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin:16px 0}
.inst-list div{background:#F1F6FC;border:1px solid #E4EAF2;border-radius:10px;padding:11px 14px;font-size:13.5px;color:var(--navy);transition:.2s}
.inst-list div:hover{border-color:var(--gold);transform:translateY(-2px)}
.disclaimer-box{background:#FBF6EC;border-left:4px solid var(--gold);padding:16px 20px;border-radius:0 12px 12px 0;font-size:13.5px;color:#6B5730;margin:22px 0;line-height:1.8}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:18px 0}
.info-grid .ig{background:#F8FAFD;border:1px solid var(--line);border-radius:14px;padding:22px}
.info-grid .ig .ig-k{font-size:12px;color:var(--gold);font-weight:700;letter-spacing:1px}
.info-grid .ig h4{color:var(--navy);font-size:15.5px;margin:6px 0 8px}
.info-grid .ig p{font-size:13px;color:var(--muted);margin:0}

/* ========== 19. 表格 ========== */
.tbl{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0}
.tbl th{background:#0E2E55;color:#fff;padding:12px 14px;border:1px solid #1B436F;text-align:left;font-weight:600;letter-spacing:.5px}
.tbl td{padding:11px 14px;border:1px solid var(--line);vertical-align:top;color:#3A4A5E}
.tbl tr:nth-child(even) td{background:#F8FAFD}
.tbl tr:hover td{background:#F1F6FC}

/* ========== 20. 表单 ========== */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-sm)}
.form-card h3{color:var(--navy);font-size:21px;margin-bottom:5px}
.form-card .sub{color:var(--muted);font-size:13.5px;margin-bottom:24px}
.fgroup{margin-bottom:19px}
.fgroup label{display:block;font-size:13.5px;font-weight:700;color:var(--navy);margin-bottom:7px}
.fgroup label .req{color:var(--warn)}
.fgroup input,.fgroup select,.fgroup textarea{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:12px 15px;font-size:14.5px;font-family:inherit;background:#FBFCFE;color:var(--ink);transition:.2s}
.fgroup input:focus,.fgroup select:focus,.fgroup textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(27,109,193,.12)}
.fgroup textarea{min-height:130px;resize:vertical}
.fgroup .hint{font-size:12px;color:var(--muted);margin-top:5px}
.fradio{display:flex;flex-wrap:wrap;gap:10px}
.fradio label{display:flex;align-items:center;gap:7px;border:1.5px solid var(--line);border-radius:24px;padding:8px 17px;font-size:13.5px;font-weight:400;cursor:pointer;transition:.2s;margin:0;color:#4A5A6E}
.fradio input{display:none}
.fradio label:has(input:checked){border-color:var(--gold);background:#FBF6EC;color:#8A6A2F;font-weight:700;box-shadow:0 3px 10px rgba(201,164,92,.18)}
.form-note{background:#EEF7F0;border-radius:10px;padding:13px 17px;font-size:13px;color:#2F6B45;margin-top:18px;line-height:1.7}
.form-ok{display:none;background:#EEF7F0;border:1px solid var(--ok);color:#2F6B45;border-radius:12px;padding:18px 22px;margin-top:20px;font-size:14px;line-height:1.8}
.form-ok.show{display:block}

/* ========== 21. FAQ ========== */
.faq{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;margin-bottom:12px;overflow:hidden;transition:.2s}
.faq:hover{border-color:rgba(201,164,92,.5)}
.faq summary{cursor:pointer;padding:19px 24px;font-size:15px;font-weight:600;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::after{content:"+";font-size:22px;color:var(--gold);font-weight:400;transition:transform .3s;flex-shrink:0}
.faq[open] summary::after{content:"−"}
.faq[open]{border-color:rgba(201,164,92,.55);box-shadow:var(--shadow-sm)}
.faq .fb{padding:0 24px 20px;color:var(--muted);font-size:14px;line-height:1.85}

/* ========== 22. 侧栏 ========== */
.two-col{display:grid;grid-template-columns:1fr 330px;gap:30px;align-items:start}
.sidebar-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-sm)}
.sidebar-box h4{color:var(--navy);font-size:15.5px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px}
.sidebar-box h4 .h4-ic{width:24px;height:24px;border-radius:7px;background:linear-gradient(135deg,#0E2E55,#14406F);color:var(--gold2);display:flex;align-items:center;justify-content:center;font-size:13px}
.sidebar-box p{font-size:13px;color:var(--muted);line-height:1.8}
.sidebar-box .btn{width:100%;margin-top:14px}
.sidebar-box .hot-list a{display:block;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13.5px;color:var(--ink);line-height:1.55}
.sidebar-box .hot-list a:hover{color:var(--blue)}
.sidebar-box .hot-list a .rk{display:inline-flex;width:20px;height:20px;border-radius:6px;background:#E4EAF2;color:#5A6B80;font-size:11px;font-weight:700;align-items:center;justify-content:center;margin-right:8px;font-family:var(--font-num)}
.sidebar-box .hot-list a:nth-child(-n+3) .rk{background:var(--gold-grad);color:#fff}
.sticky{position:sticky;top:96px}

/* ========== 23. 筛选条 ========== */
.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}
.filter-bar button{border:1.5px solid var(--line);background:#fff;border-radius:24px;padding:8px 18px;font-size:13.5px;color:var(--ink);cursor:pointer;transition:.2s;font-family:inherit;font-weight:500}
.filter-bar button.active{border-color:transparent;background:var(--gold-grad);color:#fff;font-weight:700;box-shadow:0 4px 12px rgba(201,164,92,.35)}
.filter-bar button:hover:not(.active){border-color:var(--blue);color:var(--blue)}

/* ========== 24. 文章正文 ========== */
.article-body{max-width:860px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:46px;box-shadow:var(--shadow-sm)}
.article-body h1{font-size:27px;color:var(--navy);line-height:1.55;margin-bottom:14px}
.article-body .meta{color:var(--muted);font-size:13px;margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--line);display:flex;gap:18px;flex-wrap:wrap}
.article-body h2{font-size:20.5px;color:var(--navy);margin:30px 0 12px;padding-left:13px;border-left:4px solid var(--gold)}
.article-body p{margin:13px 0;font-size:15.5px;color:#33475C;line-height:2;text-align:justify}
.article-body .end{margin-top:30px;padding:18px 20px;background:#F4F8FC;border-radius:12px;font-size:13px;color:var(--muted);line-height:1.8}

/* 文章详情页专用 */
.art-article{max-width:880px;margin:0 auto}
.art-head{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:8px}
.art-head .chips{margin-bottom:12px}
.art-head h1{font-size:31px;line-height:1.45;color:var(--navy);margin:14px 0 12px;font-weight:800}
.art-meta{font-size:13px;color:var(--muted);margin-bottom:14px;display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.art-meta .ex-tag{background:#EEF4FB;color:var(--blue);font-size:12px;padding:3px 12px;border-radius:16px;font-weight:600}
.art-summary{background:#F1F6FC;border-left:4px solid var(--gold);padding:16px 20px;border-radius:0 12px 12px 0;font-size:15px;color:#33475C;line-height:1.9}
.art-points{background:#FBF6EC;border:1px solid #EDE0C0;border-radius:14px;padding:20px 24px;margin:24px 0}
.art-points h4{color:var(--navy);margin-bottom:12px;font-size:16px}
.art-points ul{margin:0 0 0 20px}
.art-points li{margin:7px 0;font-size:14px;color:#4A5568}
.art-body h3{font-size:19.5px;color:var(--navy);margin:32px 0 12px;padding-left:13px;border-left:4px solid var(--blue)}
.art-body p{font-size:15.5px;line-height:2.05;color:#2D3748;margin:11px 0;text-align:justify}
.art-source-note{background:#F4F6F8;border-radius:10px;padding:13px 17px;font-size:12.5px;color:var(--muted);margin:30px 0 20px;line-height:1.8}
.art-nav{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px}
.art-nav .btn{flex:1;min-width:200px}

/* ========== 25. 公众号引导 ========== */
.wx-follow-card{display:flex;align-items:center;gap:22px;background:radial-gradient(600px 300px at 90% 0%,rgba(46,134,222,.4),transparent 60%),linear-gradient(135deg,#0A1F3C,#0E2E55 65%,#14406F);border-radius:18px;padding:28px 32px;color:#fff;margin:28px 0;position:relative;overflow:hidden}
.wx-follow-card::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1.4px);background-size:26px 26px;opacity:.25}
.wx-follow-card>*{position:relative}
.wx-follow-logo{width:76px;height:76px;border-radius:14px;flex-shrink:0;box-shadow:0 8px 20px rgba(0,0,0,.3)}
.wx-follow-info{flex:1;min-width:0}
.wx-follow-info h4{color:#fff;font-size:19px;margin-bottom:6px}
.wx-follow-info p{color:#C4D6EA;font-size:13.5px;margin:3px 0}
.wx-follow-tip{font-size:12.5px!important;color:var(--gold2)!important}
.wx-follow-qr{flex-shrink:0}
.wx-qr-placeholder{width:112px;height:112px;background:#fff;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;text-align:center;border:2px dashed #B9CCE0}
.wx-qr-placeholder span{font-size:12.5px;color:#5B7694;font-weight:700}
.wx-qr-placeholder small{font-size:10.5px;color:#8FA9C4;line-height:1.5}
.wx-qr-placeholder.small{width:64px;height:64px;border-radius:8px;border-width:1.5px}
.wx-qr-placeholder.small span{font-size:11px}
.wx-qr-placeholder.small small{display:none}

.wx-banner{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 26px;margin-bottom:30px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.wx-banner::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--gold-grad)}
.wx-banner img{width:56px;height:56px;border-radius:12px;flex-shrink:0;box-shadow:0 4px 12px rgba(10,31,60,.18)}
.wx-banner .wb-qr{width:56px;height:56px;border-radius:12px;border:1px solid #E3ECF5;object-fit:cover;box-shadow:0 4px 12px rgba(10,31,60,.14)}
.wx-banner .wb-info{flex:1;min-width:0}
.wx-banner h4{font-size:16.5px;color:var(--navy);margin-bottom:4px;font-weight:700}
.wx-banner p{font-size:13px;color:var(--muted);margin:0}
.wx-banner .btn{flex-shrink:0;white-space:nowrap}
.wx-follow-link{color:var(--blue)!important;cursor:pointer}

.wx-modal{position:fixed;inset:0;background:rgba(7,22,39,.6);z-index:9999;display:none;align-items:center;justify-content:center;padding:24px;backdrop-filter:blur(4px)}
.wx-modal.show{display:flex}
.wx-modal-box{position:relative;background:#fff;border-radius:20px;padding:38px 40px;max-width:370px;width:100%;text-align:center;box-shadow:var(--shadow-lg);animation:dropIn .28s ease}
.wx-close{position:absolute;top:14px;right:18px;font-size:24px;color:var(--muted);background:none;border:none;cursor:pointer;line-height:1;transition:.2s}
.wx-close:hover{color:var(--navy);transform:rotate(90deg)}
.wx-modal-logo{width:66px;height:66px;border-radius:14px;margin-bottom:14px;box-shadow:0 8px 20px rgba(10,31,60,.2)}
.wx-modal-box h4{font-size:20px;color:var(--navy);margin-bottom:6px}
.wx-modal-sub{font-size:13px;color:var(--muted);margin-bottom:20px}
.wx-modal-qr{display:flex;justify-content:center;margin-bottom:16px}
.wx-modal-tip{font-size:12.5px;color:var(--muted);margin:-6px 0 16px}
.wx-modal-search{font-size:13px;color:var(--muted)}
.wx-modal-search b{color:var(--navy);background:#FBF6EC;padding:2px 10px;border-radius:6px;cursor:pointer}

/* ========== 26. 返回顶部 / 悬浮 ========== */
.to-top{position:fixed;right:26px;bottom:96px;width:46px;height:46px;border-radius:14px;background:var(--gold-grad);color:#fff;border:none;cursor:pointer;font-size:18px;z-index:800;opacity:0;transform:translateY(14px);transition:.3s;box-shadow:0 8px 20px rgba(201,164,92,.45)}
.to-top.show{opacity:1;transform:none}
.to-top:hover{transform:translateY(-3px)}

/* ========== 27. 工具类 ========== */
.center{text-align:center}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt32{margin-top:32px}.mt40{margin-top:40px}
.mb24{margin-bottom:24px}
.text-muted{color:var(--muted)}
.reveal{opacity:1;transform:none;transition:opacity .7s ease,transform .7s cubic-bezier(.4,0,.2,1)}
.reveal.reveal-animated{opacity:0;transform:translateY(26px)}
.reveal.reveal-animated.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}

/* ========== 28. 响应式 ========== */
@media (max-width:1100px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .hero .container{grid-template-columns:1fr;padding-top:64px;padding-bottom:120px;gap:38px}
  .hero h1{font-size:40px}
  .about-split{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,1fr);gap:16px}
  .step .arrow{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .two-col{grid-template-columns:1fr}
  .sticky{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mv-grid{grid-template-columns:1fr;gap:16px}
  .prose,.article-body{padding:30px 26px}
  .grid.two,.grid.three,.grid.four,.grid.five{grid-template-columns:repeat(2,1fr)!important}
  .tabbar{display:block}
  body{padding-bottom:62px}
  .to-top{bottom:80px}
}
@media (max-width:640px){
  .grid.two,.grid.three,.grid.four,.grid.five,.grid.six{grid-template-columns:1fr!important}
  .hero h1{font-size:30px;letter-spacing:1px}
  .hero .lead{font-size:15.5px}
  .hero .btns .btn{flex:1;min-width:140px}
  .sec{padding:58px 0}
  .sec-head h2{font-size:24px}
  .banner{padding:52px 0 64px}
  .banner h1{font-size:27px}
  .stats{grid-template-columns:repeat(2,1fr);gap:14px}
  .stat .num{font-size:42px}
  .steps{grid-template-columns:1fr}
  .btn-lg{padding:14px 26px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-band h2{font-size:23px}
  .search-panel{width:min(380px,88vw);right:-10px}
  .article-body,.prose{padding:24px 20px}
  .art-head h1{font-size:23px}
  .art-body p{font-size:15px}
  .wx-follow-card{flex-direction:column;text-align:center;padding:26px 20px}
  .wx-follow-info{text-align:center}
  .wx-banner{flex-wrap:wrap;padding:18px}
  .wx-banner .btn{width:100%}
  .art-nav .btn{min-width:100%}
  .info-grid{grid-template-columns:1fr}
  .inst-list{grid-template-columns:1fr 1fr}
  .nav .logo img{height:36px}
  .logo .nm .cn{font-size:18px}
}

/* ========== 合作专家库页 ========== */
.exp-lib-intro p{font-size:15.5px;line-height:2}
.exp-lib-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:6px 0 40px}
.exp-lib-stats .els{background:linear-gradient(135deg,#0A1F3C,#123B66);border-radius:16px;padding:24px 16px;text-align:center;color:#fff;box-shadow:0 10px 24px rgba(10,31,60,.18)}
.exp-lib-stats .els b{display:block;font-size:34px;color:#E6C98B;font-weight:800;line-height:1.2}
.exp-lib-stats .els span{font-size:13px;color:#A9BFD9}
.exp-group{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 32px;margin-bottom:26px;box-shadow:0 6px 22px rgba(16,52,94,.05)}
.eg-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:20px;border-bottom:1px solid #EAF0F7;padding-bottom:16px}
.eg-no{font-size:26px;font-weight:800;color:#C9A45C;background:linear-gradient(135deg,#C9A45C,#8F6B2F);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.eg-head h3{font-size:21px;margin:0;color:var(--navy)}
.eg-tag{font-size:12px;color:#5B7188;background:#F2F6FB;border:1px solid #E3ECF5;padding:4px 12px;border-radius:20px}
.eg-count{margin-left:auto;font-size:13px;font-weight:700;color:#8F6B2F;background:linear-gradient(135deg,#FBF3E0,#F5E6C4);border:1px solid #E8D5A8;padding:5px 14px;border-radius:20px}
.exp-tags{display:flex;flex-wrap:wrap;gap:8px}
.exp-tags .nm{font-size:13.5px;color:var(--navy);background:#F5F8FC;border:1px solid #E3ECF5;padding:5px 13px;border-radius:20px;transition:all .2s ease;cursor:default}
.exp-tags .nm:hover{background:var(--navy);color:#fff;border-color:var(--navy);transform:translateY(-1px)}
@media (max-width:640px){
  .exp-lib-stats{grid-template-columns:repeat(2,1fr)}
  .exp-lib-stats .els{padding:18px 12px}
  .exp-lib-stats .els b{font-size:26px}
  .exp-group{padding:22px 18px}
  .eg-head h3{font-size:17px}
  .eg-count{margin-left:0}
  .exp-tags{gap:6px}
  .exp-tags .nm{font-size:12.5px;padding:4px 10px}
}

/* ========== V5.0 新增：专家详情页 ========== */
.expert-detail{max-width:860px;margin:0 auto}
.expert-loading{text-align:center;padding:60px 20px;color:var(--muted);font-size:15px}
.expert-error{text-align:center;padding:60px 20px;color:var(--muted)}
.expert-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px;box-shadow:0 8px 30px rgba(16,52,94,.06);display:flex;gap:32px;align-items:flex-start}
.expert-avatar{width:100px;height:100px;border-radius:50%;background:linear-gradient(135deg,#0A1F3C,#123B66);color:var(--gold2);font-size:40px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;border:3px solid rgba(201,164,92,.5)}
.expert-info{flex:1}
.expert-info h2{font-size:28px;margin:0 0 20px;color:var(--navy)}
.expert-section{margin-bottom:24px}
.expert-section h4{font-size:14px;text-transform:uppercase;letter-spacing:1.5px;color:#8F6B2F;margin-bottom:10px;font-weight:700}
.expert-section p{font-size:15px;line-height:1.9;color:#3A4A5C;margin:0}
.expert-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.expert-related{margin-top:44px}
.expert-related h3{font-size:20px;margin-bottom:18px;color:var(--navy)}
.expert-related-list{display:flex;flex-wrap:wrap;gap:12px}
.expert-related-item{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 16px;transition:all .2s;text-decoration:none;color:var(--navy)}
.expert-related-item:hover{border-color:rgba(201,164,92,.5);box-shadow:0 4px 14px rgba(16,52,94,.08);transform:translateY(-2px)}
.expert-related-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#0A1F3C,#123B66);color:var(--gold2);font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center}
.expert-related-name{font-size:14px;font-weight:600}
@media (max-width:640px){
  .expert-card{padding:24px;flex-direction:column;align-items:center;text-align:center}
  .expert-avatar{width:80px;height:80px;font-size:32px}
  .expert-info h2{font-size:22px}
  .expert-actions{justify-content:center}
}

/* ========== V5.0 新增：二维码真实图片 ========== */
.wx-qr-wrap{text-align:center;flex:0 0 auto;min-width:72px}
.wx-qr-img{width:72px;height:72px;border-radius:10px;border:2px solid #E3ECF5;object-fit:cover}
.wx-qr-img-lg{width:160px;height:160px;border-radius:12px;border:2px solid #E3ECF5;object-fit:cover}
.wx-qr-label{font-size:11px;color:var(--muted);margin-top:6px}
.footer-qr{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:14px 16px;margin-top:14px;min-width:0}

/* ==========================================================
   V6.0 新增：专家名录多级分类 + 分类导航 + 发展历程时间线
   ========================================================== */
/* 专家名录通用（专家库 / 二级三级四级分类页共用） */
.exp-lib-stats{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:38px}
.els{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 30px;text-align:center;box-shadow:0 4px 16px rgba(16,52,94,.05)}
.els b{display:block;font-size:26px;color:var(--navy);line-height:1.25}
.els span{font-size:12.5px;color:var(--muted)}
.exp-group{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 28px;margin-bottom:20px}
.eg-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.eg-no{font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,#0A1F3C,#123B66);border-radius:8px;padding:3px 9px}
.eg-head h3{font-size:18px;margin:0;color:var(--navy)}
.eg-tag{font-size:12px;color:#8F6B2F;background:rgba(201,164,92,.14);border-radius:20px;padding:3px 12px}
.eg-count{margin-left:auto;font-size:13px;color:var(--muted);background:#F1F6FB;border-radius:20px;padding:4px 12px}
.exp-tags{display:flex;flex-wrap:wrap;gap:8px}
.exp-tags .nm{display:inline-block;font-size:13.5px;color:#2E4258;background:#F5F9FE;border:1px solid #E3ECF5;border-radius:8px;padding:5px 11px;text-decoration:none;transition:all .18s}
.exp-tags a.nm:hover{background:#0A1F3C;color:#E6C98B;border-color:#0A1F3C;transform:translateY(-1px)}
.exp-tags span.nm{cursor:default}
.disclaimer-box{margin:18px 0;background:#FBF7EE;border:1px solid #EADFC3;border-radius:10px;padding:12px 16px;font-size:12.5px;color:#7A6A45;line-height:1.7}
/* 分类导航（一级领域页 / 总览页） */
.cat-group-head{margin:34px 0 4px}
.cat-group-head h3{font-size:19px;color:var(--navy);display:inline-block;padding-bottom:8px;border-bottom:3px solid var(--gold)}
.cat-nav-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:10px}
.cat-nav-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;transition:all .2s}
.cat-nav-card:hover{border-color:rgba(201,164,92,.55);box-shadow:0 6px 22px rgba(16,52,94,.07);transform:translateY(-2px)}
.cnc-title{display:flex;align-items:baseline;justify-content:space-between;gap:8px;font-size:16px;font-weight:700;color:var(--navy);text-decoration:none}
.cnc-title em{font-style:normal;font-size:12px;color:var(--muted);font-weight:500}
.cnc-subs{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 4px}
.cnc-subs a{font-size:12.5px;color:#2E4258;background:#F5F9FE;border:1px solid #E3ECF5;border-radius:20px;padding:4px 11px;text-decoration:none;transition:all .18s}
.cnc-subs a:hover{background:#0A1F3C;color:#E6C98B;border-color:#0A1F3C}
.cnc-more{display:inline-block;margin-top:10px;font-size:12.5px;color:#8F6B2F;font-weight:600;text-decoration:none}
.cnc-more:hover{color:#B8860B}
/* 三级/四级分类页：同级分类切换 */
.sub-sibling{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.sub-sibling a{font-size:13px;color:#2E4258;background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 14px;text-decoration:none;transition:all .18s}
.sub-sibling a.on{background:#0A1F3C;color:#E6C98B;border-color:#0A1F3C;font-weight:600}
.sub-sibling a:hover:not(.on){border-color:rgba(201,164,92,.6)}
.sub-parent-note{font-size:12.5px;color:var(--muted);margin-bottom:12px}
/* 发展历程时间线 */
.tl{position:relative;max-width:860px;margin:0 auto;padding:8px 0}
.tl::before{content:"";position:absolute;left:118px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,#C9A45C,rgba(201,164,92,.12))}
.tl-year{display:flex;gap:26px;margin-bottom:26px;position:relative}
.tl-y{width:96px;flex-shrink:0;text-align:right;font-size:24px;font-weight:800;color:var(--navy);padding-top:4px}
.tl-items{flex:1;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 22px;box-shadow:0 4px 14px rgba(16,52,94,.04)}
.tl-dot{position:absolute;left:111px;top:16px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid #C9A45C}
.tl-item{border-left:3px solid #E3ECF5;padding:2px 0 2px 16px;margin-bottom:14px}
.tl-item:last-child{margin-bottom:0}
.tl-item .t-meta{font-size:12px;color:#8F6B2F;font-weight:700}
.tl-item h4{font-size:15.5px;margin:4px 0 4px;color:var(--navy)}
.tl-item p{font-size:13.5px;color:#5A6B7E;margin:0;line-height:1.7}
@media (max-width:640px){
  .tl::before{left:52px}
  .tl-year{flex-direction:column;gap:6px;margin-bottom:22px;padding-left:64px}
  .tl-y{width:auto;text-align:left;font-size:20px}
  .tl-dot{left:46px;top:14px}
  .exp-lib-stats{gap:10px}
  .els{padding:14px 20px}
  .els b{font-size:20px}
  .exp-group{padding:20px 16px}
  .cat-nav-grid{grid-template-columns:1fr}
}
/* V6.0：专家详情页分类导航条 */
.expert-cats{margin-top:36px}
.expert-cats h3{font-size:18px;color:var(--navy);margin-bottom:14px}
.expert-cats-grid{display:flex;flex-wrap:wrap;gap:8px}
.expert-cats-grid a.ecat{display:inline-flex;align-items:baseline;gap:6px;font-size:13px;color:#2E4258;background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 14px;text-decoration:none;transition:all .18s}
.expert-cats-grid a.ecat em{font-style:normal;font-size:11px;color:var(--muted)}
.expert-cats-grid a.ecat:hover{background:#0A1F3C;color:#E6C98B;border-color:#0A1F3C}

/* ==========================================================
   V8.0 新增板块样式：专家视角引语 / 热点议题 / 常见问题 / 订阅连接 / 发展里程碑
   （对标 RAND Expert Insights · CSIS Topics · Brookings Newsletter）
   ========================================================== */
.quote-strip{background:linear-gradient(180deg,#0A1F3C,#0E2E55);color:#fff}
.quote-strip .sec-head h2{color:#fff}
.quote-strip .sec-head p{color:#8FA9C8}
.qs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.qs-card{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:var(--r-lg);padding:24px 20px 18px;display:flex;flex-direction:column;gap:12px;transition:.3s;color:#EAF1FA}
.qs-card:hover{background:rgba(255,255,255,.10);border-color:rgba(230,201,139,.45);transform:translateY(-4px)}
.qs-q{font-size:44px;line-height:1;color:var(--gold);font-family:Georgia,"Times New Roman",serif;height:26px}
.qs-card p{font-size:14px;color:#D6E2F0;line-height:1.9;flex:1}
.qs-au{display:flex;flex-direction:column;gap:2px;padding-top:10px;border-top:1px solid rgba(255,255,255,.12)}
.qs-au b{font-size:13px;color:var(--gold2);font-weight:600}
.qs-au span{font-size:11.5px;color:#8FA9C8}
.quote-strip .more-link{color:var(--gold2)}
.quote-strip .mt28{margin-top:28px}
.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.topic-card{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;transition:.3s;position:relative;overflow:hidden}
.topic-card:hover{border-color:rgba(201,164,92,.55);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.t-no{font-family:var(--font-num);font-size:30px;font-weight:700;color:rgba(201,164,92,.35);line-height:1;flex-shrink:0;letter-spacing:1px}
.t-body{flex:1}
.t-tag{display:inline-block;font-size:11px;color:#A98446;background:rgba(201,164,92,.12);padding:2px 10px;border-radius:20px;margin-bottom:8px;font-weight:600;letter-spacing:1px}
.t-body h4{font-size:16px;color:var(--navy);margin-bottom:6px;line-height:1.5}
.t-body p{font-size:13px;color:var(--muted);line-height:1.8}
.t-ar{color:var(--gold);font-size:18px;align-self:center;flex-shrink:0;opacity:0;transform:translateX(-6px);transition:.3s}
.topic-card:hover .t-ar{opacity:1;transform:translateX(0)}
.faq-wrap{margin-top:6px}
.subscribe{background:linear-gradient(135deg,#0A1F3C,#123B66)}
.sub-grid{display:grid;grid-template-columns:1.1fr 1.5fr;gap:30px;align-items:center}
.sub-info .kicker{color:#E6C98B;font-size:13px;letter-spacing:4px;font-weight:700;margin-bottom:10px;display:inline-block}
.sub-info h2{color:#fff;font-size:27px;margin-bottom:10px;line-height:1.4}
.sub-info p{color:#8FA9C8;font-size:14px}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{flex:1;min-width:220px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:12px;padding:13px 18px;font-size:14.5px;color:#fff;outline:none;transition:.25s;font-family:inherit}
.sub-form input::placeholder{color:#7E96B4}
.sub-form input:focus{border-color:var(--gold);background:rgba(255,255,255,.12)}
.sub-channels{grid-column:1 / -1;display:flex;gap:14px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.10);padding-top:22px}
.sub-channels a{display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:10px 18px;color:#D6E2F0;font-size:13.5px;transition:.25s}
.sub-channels a:hover{border-color:var(--gold);color:#fff;background:rgba(255,255,255,.10)}
.sc-ic{font-size:17px}
.sub-channels b{color:var(--gold2);margin-right:4px;font-weight:600}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:26px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--gold),rgba(201,164,92,.15))}
.tl-item{position:relative;padding:0 0 30px 26px}
.tl-item::before{content:"";position:absolute;left:-26px;top:6px;width:18px;height:18px;border-radius:50%;background:var(--navy);border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(201,164,92,.18)}
.tl-item:last-child{padding-bottom:0}
.tl-y{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
.tl-y b{font-family:var(--font-num);font-size:22px;color:var(--gold);letter-spacing:1px}
.tl-y span{font-size:12px;color:#98A6B8;letter-spacing:2px}
.tl-bd h4{font-size:16px;color:var(--navy);margin-bottom:4px}
.tl-bd p{font-size:13.5px;color:var(--muted);line-height:1.85}
@media(max-width:900px){.qs-grid{grid-template-columns:repeat(2,1fr)}.topics{grid-template-columns:repeat(2,1fr)}.sub-grid{grid-template-columns:1fr}.sub-channels{grid-column:auto}}
@media(max-width:560px){.qs-grid{grid-template-columns:1fr}.topics{grid-template-columns:1fr}.sub-form input{min-width:100%}}

/* ==========================================================
   V8.1 新增：案例中心两级页样式（分类中心页 + 案例详情页）
   ========================================================== */
/* 「我们擅长」等 client-card 用作链接时 */
a.client-card{display:block;color:inherit}
a.client-card:hover{text-decoration:none}
a.client-card h4{transition:color .2s}
a.client-card:hover h4{color:var(--blue)}

/* 案例详情页 */
.case-detail{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 34px}
.cd-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;background:#F1F6FC;border:1px solid #E3ECF5;border-radius:14px;padding:18px 22px;margin-bottom:26px}
.cdm b{display:block;font-size:11.5px;color:#8A96A6;font-weight:600;margin-bottom:5px;letter-spacing:.5px}
.cdm span{font-size:14.5px;color:var(--navy);font-weight:700;line-height:1.5}
.hl-list{margin:0 auto;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:960px}
.hl-list li{background:#fff;border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:16px 18px;font-size:14px;color:#33475C;line-height:1.75;box-shadow:0 2px 10px rgba(16,52,94,.04)}
.hl-list li::before{content:"✦ ";color:var(--gold);font-weight:700}
@media(max-width:900px){.cd-meta{grid-template-columns:1fr 1fr}.hl-list{grid-template-columns:1fr}}
@media(max-width:640px){.case-detail{padding:22px 18px}.cd-meta{grid-template-columns:1fr 1fr;padding:14px 16px;gap:12px}}

/* ==========================================================
   V8.2 新增：案例分类入口大卡（cases.html 三级结构第一级）
   分类卡片 → 分类中心页（case-<id>.html）→ 案例详情页（case-<id>-<n>.html）
   ========================================================== */
.cat-list{display:flex;flex-direction:column;gap:16px}
.cat-card{display:flex;align-items:center;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 24px;transition:transform .3s,box-shadow .3s,border-color .3s;color:inherit;text-decoration:none}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(201,164,92,.55);text-decoration:none}
.cat-card .cc-ic{flex:none;width:86px;height:86px;border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;gap:5px;box-shadow:0 6px 18px rgba(16,52,94,.18)}
.cat-card .cc-ic span{font-size:30px;line-height:1;filter:drop-shadow(0 1px 2px rgba(0,0,0,.18))}
.cat-card .cc-ic b{font-size:12px;font-weight:700;letter-spacing:3px;opacity:.95}
.cat-card .cc-bd{flex:1;min-width:0}
.cat-card .cc-bd h3{color:var(--navy);font-size:20px;margin-bottom:7px;transition:color .2s}
.cat-card:hover .cc-bd h3{color:var(--blue)}
.cat-card .cc-bd p{color:var(--muted);font-size:13.5px;line-height:1.75;margin-bottom:10px}
.cat-card .cc-meta{display:flex;gap:8px;flex-wrap:wrap}
.cat-card .cc-go{flex:none;text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.cat-card .cc-btn{display:inline-flex;align-items:center;gap:7px;background:var(--gold-grad);color:#fff;font-size:13.5px;font-weight:700;padding:10px 20px;border-radius:24px;box-shadow:0 4px 12px rgba(201,164,92,.32);transition:.25s;white-space:nowrap}
.cat-card:hover .cc-btn{box-shadow:0 6px 16px rgba(201,164,92,.48)}
.cat-card .cc-btn i{font-style:normal;transition:transform .25s}
.cat-card:hover .cc-btn i{transform:translateX(4px)}
.cat-card .cc-go small{font-size:12px;color:var(--muted)}
@media(max-width:900px){.cat-card{flex-wrap:wrap;gap:16px}.cat-card .cc-go{width:100%;flex-direction:row;align-items:center;justify-content:space-between}}
@media(max-width:640px){.cat-card{padding:16px}.cat-card .cc-ic{width:62px;height:62px;border-radius:14px}.cat-card .cc-ic span{font-size:24px}.cat-card .cc-bd h3{font-size:17px}.cat-card .cc-bd p{font-size:13px}}

/* ========== V8.4 中英双语切换 ========== */
.lang-toggle{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:rgba(255,255,255,.92);font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:6px;cursor:pointer;transition:.25s;margin-right:6px;font-family:var(--font-num);min-width:36px;text-align:center}
.lang-toggle:hover{border-color:var(--gold2);color:var(--gold2)}
.topbar.scrolled .lang-toggle{border-color:var(--line);color:var(--ink)}
.topbar.scrolled .lang-toggle:hover{border-color:var(--gold);color:var(--gold)}
@media(max-width:900px){.lang-toggle{font-size:11px;padding:4px 8px;min-width:32px}}

/* 英文模式下的字体微调 */
html[lang="en"] body{font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif}
html[lang="en"] .hero h1{font-size:clamp(32px,5.2vw,56px)}
html[lang="en"] .nav-links>a,html[lang="en"] .nav-links .drop>a{font-size:13.5px}
html[lang="en"] .sec-head h2{font-size:clamp(24px,3.2vw,36px)}