/* ===== 八仙九脉官网 · 品牌视觉系统 V2 ===== */
:root{
  --blue:#0072c6; --blue-2:#005fa3; --blue-3:#e6f4ff; --blue-4:#0f2e3d;
  --teal:#00bfa5; --teal-2:#00a991; --teal-3:#e6f9f6;
  --warm:#fff8f0;
  --bg:#f4f9fb; --bg-2:#eef5f8; --white:#ffffff;
  --text:#0f2e3d; --muted:#5a7582; --line:#d6e8ef;
  --radius:18px; --radius-sm:12px;
  --shadow:0 8px 30px rgba(0,114,198,.10);
  --shadow-lg:0 18px 50px rgba(0,114,198,.16);
  --maxw:1160px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.center{text-align:center}
.muted{color:var(--muted)}

/* ===== 导航 ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(0,114,198,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;color:var(--blue-4)}
.brand img{height:42px;width:auto}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{padding:9px 14px;border-radius:10px;font-size:15px;color:var(--text);transition:.18s}
.nav-links a:hover{background:var(--blue-3);color:var(--blue)}
.nav-links a.active{color:var(--blue);font-weight:700;background:var(--blue-3)}
.nav-cta{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff!important;font-weight:700;padding:10px 18px!important;box-shadow:0 4px 14px rgba(0,114,198,.25)}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,114,198,.32)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--blue-4);border-radius:2px}

/* ===== Hero ===== */
.hero{background:linear-gradient(135deg,var(--blue) 0%,var(--teal) 100%);
  color:#fff;padding:84px 0 74px;position:relative;overflow:hidden}
.hero .bg-orb{position:absolute;border-radius:50%;background:rgba(255,255,255,.08);pointer-events:none}
.hero .orb1{width:420px;height:420px;right:-140px;top:-120px}
.hero .orb2{width:300px;height:300px;left:-80px;bottom:-100px}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:46px;line-height:1.22;font-weight:800;letter-spacing:.5px;max-width:820px}
.hero h1 .hl{color:#d4fff8}
.hero p.sub{font-size:19px;margin-top:20px;color:#eafaff;max-width:700px}
.hero .trust{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.hero .trust span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);
  padding:8px 16px;border-radius:999px;font-size:14px;color:#fff}
.hero .cta-row{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.hero-illu{margin-top:42px;max-width:760px}
.btn{display:inline-block;padding:14px 28px;border-radius:12px;font-weight:700;font-size:16px;transition:.2s;cursor:pointer;border:none}
.btn-gold{background:#fff;color:var(--blue)}
.btn-gold:hover{background:#f0faff;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-ink{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;box-shadow:0 4px 14px rgba(0,114,198,.22)}
.btn-ink:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,114,198,.3)}

/* ===== Section ===== */
section{padding:72px 0}
.sec-head{text-align:center;max-width:780px;margin:0 auto 44px}
.sec-head h2{font-size:32px;color:var(--blue-4);font-weight:800;letter-spacing:.3px}
.sec-head p{margin-top:12px;color:var(--muted);font-size:17px}
.bg-alt{background:var(--bg-2)}

/* ===== Stats ===== */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:10px}
.stat{background:var(--white);border-radius:var(--radius);padding:34px 22px;text-align:center;
  box-shadow:var(--shadow);border:1px solid var(--line);position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--blue),var(--teal))}
.stat .num{font-size:42px;font-weight:900;color:var(--blue)}
.stat .num .u{font-size:22px;color:var(--teal)}
.stat .lab{margin-top:8px;font-weight:700;color:var(--text);font-size:16px}
.stat .src{margin-top:6px;font-size:13px;color:var(--muted)}
.note{font-size:13px;color:var(--muted);margin-top:16px;text-align:center}

/* ===== Cards ===== */
.cards{display:grid;gap:22px}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--white);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);
  border:1px solid var(--line);transition:.2s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .ic-wrap{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--blue-3),var(--teal-3));
  display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.card h3{font-size:20px;color:var(--blue-4);margin-bottom:10px}
.card p{color:var(--muted);font-size:15.5px}
.mail-link{display:inline-block;color:var(--blue);font-weight:700;font-size:16px;text-decoration:none;border-bottom:2px dashed var(--teal);padding-bottom:2px;transition:.2s}
.mail-link:hover{color:var(--teal);border-bottom-color:var(--blue)}
.foot-bottom a{color:#9bc0cc;text-decoration:none;border-bottom:1px solid #3a6b7a}
.foot-bottom a:hover{color:#fff}
.card .chk{list-style:none;margin-top:12px}
.card .chk li{position:relative;padding-left:26px;margin:8px 0;color:var(--text);font-size:15px}
.card .chk li::before{content:"✓";position:absolute;left:0;top:0;color:var(--teal);font-weight:900}

/* ===== 主题插画容器 ===== */
.theme-illu{width:100%;max-width:520px;margin:0 auto;display:block}
.theme-illu-wide{max-width:820px}

/* ===== Tables ===== */
.tbl{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);font-size:15.5px;margin-top:8px;border:1px solid var(--line)}
.tbl th{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;text-align:left;padding:16px 18px;font-weight:700}
.tbl td{padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:nth-child(even) td{background:#f8fcfd}
.tbl tr:last-child td{border-bottom:none}
.tbl .b{font-weight:700;color:var(--blue-4)}

/* ===== 现代时间线（通用） ===== */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:0}
.timeline-item{display:flex;gap:20px;margin-bottom:26px;position:relative}
.timeline-item:last-child{margin-bottom:0}
.timeline-dot{flex:0 0 46px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;box-shadow:0 4px 14px rgba(0,114,198,.25);z-index:2}
.timeline-body{flex:1;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow)}
.timeline-body h4{color:var(--blue-4);font-size:17px;margin-bottom:6px}
.timeline-body p{color:var(--muted);font-size:14.5px}
.timeline::before{content:"";position:absolute;left:23px;top:10px;bottom:30px;width:3px;background:linear-gradient(180deg,var(--blue),var(--teal));opacity:.25;border-radius:3px}

/* ===== 水平步骤 ===== */
.steps-h{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.steps-h .step{position:relative;text-align:center}
.steps-h .step .dot{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;margin:0 auto 14px;box-shadow:0 4px 14px rgba(0,114,198,.25)}
.steps-h .step .body{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 16px;box-shadow:var(--shadow)}
.steps-h .step .body h4{color:var(--blue-4);font-size:16px;margin-bottom:6px}
.steps-h .step .body p{color:var(--muted);font-size:13.5px}
.steps-h::before{content:"";position:absolute;top:27px;left:12.5%;right:12.5%;height:3px;background:linear-gradient(90deg,var(--blue),var(--teal));opacity:.25;border-radius:3px}

/* ===== 资金/流程卡片（替代树） ===== */
.fund-flow{background:var(--white);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);border:1px solid var(--line)}
.fund-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 0;border-bottom:1px dashed var(--line)}
.fund-row:last-child{border-bottom:none}
.fund-row .badge{padding:8px 14px;border-radius:999px;background:var(--bg-2);color:var(--text);font-weight:700;font-size:14px}
.fund-row .badge.ok{background:#e6f7f0;color:#1a7a4a}
.fund-row .badge.back{background:#fdecea;color:#a83225}
.fund-row .arrow{color:var(--teal);font-weight:900}
.fund-sub{margin-left:36px;margin-top:8px;display:flex;flex-direction:column;gap:8px}

/* ===== 资金流程 v2（竖向时间轴 + 分支） ===== */
.flow-v2{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
.flow-main{position:relative;display:flex;flex-direction:column;gap:0;padding-left:24px}
.flow-main::before{content:"";position:absolute;left:19px;top:28px;bottom:40px;width:3px;background:linear-gradient(180deg,var(--blue),var(--teal));border-radius:3px}
.flow-node{position:relative;display:flex;align-items:flex-start;gap:18px;background:var(--white);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);border:1px solid var(--line);margin-bottom:18px}
.flow-node:last-of-type{margin-bottom:0}
.flow-node .node-num{flex-shrink:0;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;font-weight:900;font-size:16px;box-shadow:0 4px 12px rgba(0,114,198,.22);z-index:1}
.flow-node .node-body{flex:1}
.flow-node h4{font-size:18px;color:var(--blue-4);margin-bottom:6px}
.flow-node p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.6}
.flow-branch{background:var(--white);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid var(--line);margin-top:8px}
.flow-branch-label{display:inline-block;font-size:13.5px;font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:.6px;margin-bottom:16px;background:var(--bg-2);padding:6px 12px;border-radius:999px}
.flow-branch-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.flow-card{padding:20px;border-radius:var(--radius-sm);text-align:center;border:1px solid var(--line)}
.flow-card.ok{background:#f0faf5;border-color:#b8e5cf}
.flow-card.back{background:#fff6f5;border-color:#f5c4bc}
.flow-card-icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;margin:0 auto 12px;font-size:20px;font-weight:900}
.flow-card.ok .flow-card-icon{background:#e0f5ea;color:#1a7a4a}
.flow-card.back .flow-card-icon{background:#ffe9e6;color:#a83225}
.flow-card h4{font-size:16px;color:var(--blue-4);margin-bottom:6px}
.flow-card p{font-size:13.5px;color:var(--muted);margin:0}
@media(max-width:720px){
  .flow-main{padding-left:0}
  .flow-main::before{left:50%;transform:translateX(-50%);top:20px;bottom:60px}
  .flow-node{flex-direction:column;align-items:center;text-align:center;padding:20px;gap:12px}
  .flow-node .node-num{position:absolute;left:50%;transform:translateX(-50%);top:-20px;width:32px;height:32px;font-size:14px}
  .flow-node{position:relative;margin-top:20px}
  .flow-node h4{font-size:17px}
  .flow-branch-cols{grid-template-columns:1fr}
}

/* ===== 引用 / 高亮框 ===== */
.callout{background:linear-gradient(135deg,var(--blue-3),var(--teal-3));border:1px solid #bfe8ff;
  border-left:5px solid var(--blue);border-radius:var(--radius-sm);padding:22px 24px;margin-top:18px}
.callout .t{font-weight:800;color:var(--blue-4);margin-bottom:6px}
.quote{font-size:20px;line-height:1.85;color:var(--blue-4);border-left:4px solid var(--teal);
  padding:6px 0 6px 20px;margin:18px 0;font-weight:600}
.disclaim{background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:14px 18px;
  font-size:13.5px;color:var(--muted);margin-top:18px}

/* ===== FAQ ===== */
.faq{max-width:860px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--white);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow)}
.faq summary{padding:18px 22px;font-weight:700;color:var(--blue-4);cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--blue);font-weight:900}
.faq details[open] summary::after{content:"−"}
.faq .ans{padding:0 22px 20px;color:var(--muted);font-size:15.5px}

/* ===== 双入口 ===== */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.duo .panel{background:var(--white);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow);border:1px solid var(--line)}
.duo .panel.patient{border-top:5px solid var(--blue)}
.duo .panel.tech{border-top:5px solid var(--teal)}
.duo .panel h3{font-size:23px;margin-bottom:18px;color:var(--blue-4)}
.duo .panel ul{list-style:none}
.duo .panel li{padding:9px 0 9px 28px;position:relative;color:var(--text);font-size:16px}
.duo .panel li::before{position:absolute;left:0;top:8px;font-weight:900}
.duo .panel.patient li::before{content:"✓";color:var(--blue)}
.duo .panel.tech li::before{content:"✓";color:var(--teal)}

/* ===== 页脚 ===== */
footer{background:var(--blue-4);color:#bfd8e2;padding:52px 0 24px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
.foot-grid h4{color:#fff;font-size:16px;margin-bottom:16px}
.foot-grid a{display:block;color:#9bc0cc;padding:6px 0;font-size:14.5px}
.foot-grid a:hover{color:#d4fff8}
.foot-brand .logo-foot{height:54px;width:auto;margin-bottom:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;
  font-size:13px;color:#8fb4bf;text-align:center;line-height:1.9}

/* ===== 二维码区 ===== */
.qr-wrap{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.qr-item{text-align:center}
.qr-item img{width:150px;height:150px;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow)}
.qr-item p{margin-top:10px;font-size:14px;color:var(--muted);font-weight:600}

/* ===== 入驻表单（v2 卡片式） ===== */
.form-card{background:var(--white);border-radius:var(--radius);padding:0;box-shadow:var(--shadow);border:1px solid var(--line);max-width:780px;margin:0 auto;overflow:hidden}
.form-section{padding:28px 34px;border-bottom:1px solid var(--line)}
.form-section:last-of-type{border-bottom:none}
.form-sec-title{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:800;color:var(--blue-4);margin-bottom:22px}
.form-sec-title .sec-num{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;font-size:14px;font-weight:900}
.form-grid{display:grid;gap:18px}
.form-grid.two{grid-template-columns:1fr 1fr}
.form-field{margin-bottom:18px}
.form-field:last-child{margin-bottom:0}
.form-field label{display:block;font-weight:700;color:var(--blue-4);margin-bottom:8px;font-size:14.5px}
.form-field label .req{color:#d64535;font-style:normal;margin-left:2px}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:var(--font);background:var(--bg);transition:.18s;color:var(--text)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(0,114,198,.08)}
.form-field input::placeholder,.form-field textarea::placeholder{color:#aab}
.form-field input[type="file"]{padding:0;background:none;border:none}
.file-zone{border:2px dashed var(--line);border-radius:12px;padding:18px;text-align:center;background:var(--bg);transition:.18s;cursor:pointer}
.file-zone:hover,.file-zone.dragover{border-color:var(--blue);background:#f0f9ff}
.file-zone-inner{pointer-events:none}
.file-zone .file-icon{display:block;font-size:28px;margin-bottom:8px}
.file-zone p{font-size:14px;color:var(--muted);margin:0}
.file-list{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:12px}
.file-tag{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:13px;color:var(--text)}
.file-tag .remove{cursor:pointer;color:#a83225;font-weight:900;line-height:1}
.form-agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);padding:22px 34px 0}
.form-agree input{width:auto;margin-top:3px;flex-shrink:0}
.form-message{padding:0 34px;min-height:0}
.form-message .msg{padding:12px 16px;border-radius:10px;font-size:14px;margin-top:14px;display:flex;align-items:center;gap:10px}
.form-message .msg.ok{background:#e6f7f0;color:#1a7a4a;border:1px solid #b8e5cf}
.form-message .msg.err{background:#fdecea;color:#a83225;border:1px solid #f5c4bc}
.form-message .msg.info{background:#f0f9ff;color:var(--blue);border:1px solid #bfe8ff}
.btn-loader{display:inline-flex;align-items:center;gap:8px}
.btn-loader::after{content:"";width:14px;height:14px;border:2px solid rgba(255,255,255,.6);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== 技术体系 / 视频卡片 ===== */
.system-card{position:relative;padding-top:46px}
.system-tag{position:absolute;top:18px;right:18px;background:var(--teal-3);color:var(--teal-2);font-size:12px;font-weight:700;padding:6px 12px;border-radius:20px}
.system-card h3{font-size:22px;color:var(--blue-4);margin-bottom:12px}
.system-card ul.chk{margin:16px 0 20px;padding-left:0;list-style:none}
.system-card ul.chk li{position:relative;padding-left:24px;margin:8px 0;color:var(--muted);font-size:15px}
.system-card ul.chk li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.system-card .btn{width:100%;text-align:center}

.video-card{display:flex;align-items:center;gap:24px;background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid var(--line);max-width:720px;margin:0 auto;transition:.18s}
.video-card:hover{box-shadow:var(--shadow-lg);border-color:var(--blue)}
.video-thumb{position:relative;width:180px;height:120px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--blue),var(--teal));display:flex;align-items:center;justify-content:center;gap:10px;flex-shrink:0}
.video-thumb span{color:#fff;font-size:13px;font-weight:700;text-shadow:0 1px 4px rgba(0,0,0,.2)}
.play-icon{width:44px;height:44px}
.video-info h3{font-size:20px;color:var(--blue-4);margin-bottom:6px}
.video-info p{color:var(--muted);font-size:15px}

.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:1000px;margin:0 auto}
.video-grid.slim{max-width:860px;gap:20px}
.video-embed-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;box-shadow:var(--shadow);transition:.18s}
.video-grid.slim .video-embed-card{padding:14px}
.video-embed-card:hover{border-color:var(--blue);box-shadow:var(--shadow-lg)}
.video-wrap{position:relative;padding-top:56.25%;border-radius:var(--radius-sm);overflow:hidden;background:#0a1f2e}
.video-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}
.video-embed-card h3{font-size:17px;color:var(--blue-4);margin:16px 0 6px}
.video-grid.slim .video-embed-card h3{font-size:15.5px;margin:12px 0 4px}
.video-embed-card p{font-size:13px;color:var(--muted);margin:0}
.video-grid.slim .video-embed-card p{font-size:12.5px}

@media(max-width:760px){
  .video-grid{grid-template-columns:1fr}
}

@media(max-width:600px){
  .video-card{flex-direction:column;align-items:flex-start}
  .video-thumb{width:100%;height:160px}
}

/* ===== 使命卡片 / 战略合作伙伴 / 友情链接 / 联系我们 ===== */
.mission-card{text-align:center;padding-top:28px}
.mission-icon{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;font-size:28px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(0,114,198,.22)}
.mission-card h3{font-size:22px;color:var(--blue-4);margin-bottom:8px}

/* 战略合作伙伴：与上方三列卡片等宽对齐 */
.partners-section{padding:100px 0}
.partner-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:100%;margin:0 auto}
.partner-item{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);padding:34px 26px;box-shadow:var(--shadow);transition:.2s;text-decoration:none;color:inherit;text-align:center}
.partner-item:hover{border-color:var(--blue);box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.partner-logo-box{width:120px;height:40px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.partner-logo-box img{max-width:100%;max-height:100%;object-fit:contain}
.partner-name{font-size:16px;font-weight:700;color:var(--blue-4);margin-bottom:5px}
.partner-desc{font-size:13px;color:var(--muted);font-weight:500}

/* 联系我们：客服微信卡片内二维码，患者小程序底部居中 */
.qr-in-card{width:100px;height:100px;border-radius:12px;border:1px solid var(--line);box-shadow:var(--shadow);margin-top:12px}
.contact-wechat{align-items:center;text-align:center}

.miniapp-solo{text-align:center;margin-top:36px;padding-top:32px;border-top:1px solid var(--line)}
.miniapp-solo img{width:72px;height:72px;border-radius:10px;border:1px solid var(--line);box-shadow:var(--shadow);display:block;margin:0 auto}
.miniapp-solo p{margin-top:10px;font-size:14px;color:var(--muted);font-weight:600}

/* ===== 视频 Tab（患者页：醒脑开窍 | 壮医水蛭素） ===== */
.video-tabs{
  max-width:900px;margin:0 auto;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden
}
.tab-nav{
  display:grid;grid-template-columns:1fr 1fr;
  border-bottom:1px solid var(--line);background:var(--bg-2)
}
.tab-btn{
  padding:18px 16px;border:none;background:transparent;
  cursor:pointer;text-align:center;transition:.2s;position:relative
}
.tab-btn::after{
  content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:48%;height:3px;background:linear-gradient(90deg,var(--blue),var(--teal));
  border-radius:3px 3px 0 0;transition:.25s
}
.tab-btn.active{background:var(--white)}
.tab-btn.active::after{transform:translateX(-50%) scaleX(1)}
.tab-btn:hover{background:var(--white)}
.tab-title{display:block;font-size:16px;font-weight:800;color:var(--text);letter-spacing:.2px}
.tab-btn.active .tab-title{color:var(--blue)}
.tab-sub{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.tab-panels{padding:28px}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeIn .35s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.video-caption{text-align:center;margin-top:18px}
.video-caption h3{font-size:20px;color:var(--blue-4);margin-bottom:6px}
.video-caption p{font-size:14.5px;color:var(--muted)}

@media(max-width:640px){
  .tab-btn{padding:14px 10px}
  .tab-title{font-size:14px}
  .tab-sub{font-size:11.5px}
  .tab-panels{padding:18px}
  .video-caption h3{font-size:17px}
}

@media(max-width:900px){
  .partner-row{grid-template-columns:1fr;gap:16px}
  .partner-item{padding:24px 18px}
}
@media(max-width:720px){
  .partner-row{gap:22px}
  .partner-item{padding:30px 22px}
  .partner-logo-box{width:132px;height:44px}
  .friend-list a{font-size:14.5px}
  .miniapp-solo img{width:90px;height:90px}
}

/* ===== 响应式 ===== */
@media(max-width:900px){
  .cards.c3,.cards.c2,.steps-h,.duo{grid-template-columns:1fr}
  .steps-h::before{display:none}
  .stats{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .hero p.sub{font-size:16px}
  .sec-head h2{font-size:25px}
  .nav-links{position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;padding:12px 22px;border-bottom:1px solid var(--line);display:none;box-shadow:0 12px 30px rgba(0,0,0,.08)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 10px}
  .burger{display:flex}
  .timeline::before{left:23px}
  .timeline-item{gap:14px}
  .timeline-body{padding:16px 18px}
  .tbl{display:block;overflow-x:auto;white-space:nowrap}
}