:root{--navy:#0d293d;--navy2:#103750;--gold:#c9a05e;--gold-bright:#e7c27c;--ink:#13293a;--muted:#607080;--line:#dce4e9;--paper:#fff;--bg:#f5f7f8;--danger:#a94442}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font:15px/1.72 "Noto Sans CJK SC","PingFang SC","Microsoft Yahei",Arial,sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}a:hover{color:#ac864f}h1,h2,h3,h4,p{margin-top:0}.shell{max-width:1160px;padding:0 24px;margin:auto}.site-header{height:78px;background:#fff;border-bottom:1px solid #e9edf0}.header-inner{height:100%;display:flex;justify-content:space-between;align-items:center}.identity{display:flex;align-items:center;gap:12px}.identity b{display:block;font-size:18px;letter-spacing:.03em}.identity small{display:block;font-size:10px;color:#647987;letter-spacing:.13em}.logo-mark{display:inline-grid;place-items:center;width:46px;height:46px;background:linear-gradient(135deg,var(--navy),#1b4a64);color:var(--gold-bright);font-size:24px;font-weight:700;border:1px solid var(--gold);clip-path:polygon(50% 0,94% 25%,94% 75%,50% 100%,6% 75%,6% 25%)}nav{display:flex;gap:30px;color:#475d6b;font-size:13px}.hero{color:white;background:radial-gradient(circle at 70% 30%,#1d4c63 0,transparent 34%),linear-gradient(135deg,#0b2337,#102b43 64%,#071926);overflow:hidden}.hero-grid{min-height:575px;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:40px}.eyebrow,.section-caption{font-size:12px;letter-spacing:.17em;color:var(--gold-bright);font-weight:600}.hero h1{font-size:clamp(34px,4vw,54px);line-height:1.32;letter-spacing:-.04em;margin:22px 0}.hero em{font-style:normal;color:#edc887}.hero-intro{font-size:17px;color:#d2dde4;max-width:590px}.hero-pills{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.hero-pills span{font-size:12px;color:#dce4eb;padding:4px 13px;border:1px solid #506576;border-radius:99px}.btn{border:0;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--navy);color:#fff;padding:12px 21px;font-weight:600;box-shadow:0 6px 20px #13293a18;transition:transform .18s,background .18s}.btn:hover{background:#1c4761;color:#fff;transform:translateY(-1px)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn.gold{background:linear-gradient(135deg,#e9c27a,#c99c56);color:#1b2a32}.btn.large{padding:16px 27px;font-size:16px}.btn.outline{background:white;color:var(--navy);border:1px solid #d8e0e5;box-shadow:none}.btn.ghost{background:white;color:var(--navy);border:1px solid #c8d7df}.btn.small{padding:8px 12px;font-size:12px}.mini-disclaimer{font-size:12px;color:#adc0ca;margin:20px 0 0;max-width:560px}.hero-visual{position:relative;height:430px;display:grid;place-items:center}.orbit{position:relative;width:335px;height:335px;border:1px solid #56708888;border-radius:50%;box-shadow:0 0 0 37px #bfa16b0a,0 0 0 72px #bfa16b07}.orbit:before,.orbit:after{content:"";position:absolute;inset:35px;border:1px dashed #66839377;border-radius:50%}.orbit:after{inset:70px;border-style:solid}.orb-core{position:absolute;inset:92px 65px;z-index:2;background:linear-gradient(145deg,#eccc8e,#bb904f);clip-path:polygon(50% 0,97% 25%,97% 75%,50% 100%,3% 75%,3% 25%);color:#142f42;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;line-height:1.4}.orb-core small{font-size:11px}.orb-core b{font-size:23px}.orb-core span{font-size:10px}.orbit>span{position:absolute;background:#173950;color:#e3ebef;border:1px solid #7d92a2;border-radius:7px;padding:8px 10px;font-size:12px;z-index:3;box-shadow:0 10px 20px #03121a55;white-space:nowrap}.orb-1{top:-7px;left:125px}.orb-2{right:-38px;top:70px}.orb-3{right:-26px;bottom:64px}.orb-4{bottom:-17px;left:122px}.orb-5{left:-38px;bottom:66px}.orb-6{left:-38px;top:72px}.visual-caption{position:absolute;bottom:14px;color:#98b1c2;font-size:10px;letter-spacing:.2em}.intro{display:grid;grid-template-columns:1fr 2fr;gap:65px;padding-top:82px;padding-bottom:82px}.intro-label{color:#b18d55;font-size:12px;font-weight:700;letter-spacing:.17em}.intro h2,.six-section h2,.wizard-head h2{font-size:30px;line-height:1.4;letter-spacing:-.03em}.intro p{color:#596e7b;font-size:15px}.video-box{border:1px solid #dde4e7;background:#fff;border-radius:16px;padding:20px;display:flex;gap:18px;align-items:center;margin-top:28px;box-shadow:0 10px 20px #0d293d08}.video-icon{display:grid;place-items:center;flex-shrink:0;background:var(--navy);color:var(--gold-bright);width:66px;height:60px;border-radius:11px}.video-box b{display:block;font-size:14px}.video-box small{display:block;color:var(--muted);font-size:12px}.text-btn{border:0;background:none;color:#a98040;font-weight:600;white-space:nowrap}.six-section{background:#fff;padding:74px 0 86px}.section-caption{color:#ae884b}.six-section h2{margin-top:10px;margin-bottom:30px}.six-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.six-grid article{padding:24px;border:1px solid #e7ebed;border-radius:12px;transition:border .2s,transform .2s}.six-grid article:hover{border-color:#caa366;transform:translateY(-2px)}.six-grid article span{color:#c7a26a;font-size:12px;letter-spacing:.1em}.six-grid article h3{margin:9px 0;font-size:19px}.six-grid article p{color:#71818b;font-size:13px;margin:0}.wizard-section{padding:78px 0 100px;background:#f3f6f7}.wizard-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}.wizard-head h2{margin:10px 0}.wizard-head p{color:var(--muted);margin:0}.time-badge{white-space:nowrap;border:1px solid #dedfe0;border-radius:99px;padding:8px 16px;color:#6a7c87;font-size:12px}.wizard-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:20px;align-items:start}.wizard-side,.wizard-card{background:white;border:1px solid #e5ebee;border-radius:16px;box-shadow:0 15px 45px #13293a0a}.wizard-side{padding:28px}.aside-title{font-weight:700;margin-bottom:16px}.navline{display:flex;align-items:center;gap:12px;color:#778995;font-size:13px;padding:11px 0}.navline span{display:grid;place-items:center;background:#f0f3f4;border-radius:50%;width:29px;height:29px;font-size:11px}.navline.active{color:#193c55;font-weight:700}.navline.active span{background:#d5b27b;color:#182c39}.aside-note{margin-top:27px;padding:16px;background:#f4f6f6;border-radius:10px;font-size:12px;color:#697d89}.aside-note b{display:block;color:#2c495c;margin-bottom:5px}.aside-note p{margin:0}.wizard-card{padding:36px 44px;min-height:510px}.progress-meta{display:flex;justify-content:space-between;color:#718390;font-size:12px}.progress-track{height:5px;background:#eaf0f2;border-radius:999px;overflow:hidden;margin:13px 0 30px}.progress-track div{height:100%;width:10%;background:linear-gradient(90deg,#c09d60,#e8c785);transition:width .2s}.q-index{color:#b18b4f;font-size:13px;letter-spacing:.08em}.q-index span{float:right;color:#718390;background:#f2f5f6;padding:2px 9px;border-radius:99px;letter-spacing:0}.wizard-card h3{font-size:24px;margin:10px 0;line-height:1.5}.q-help{color:#788892;font-size:13px}.options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin:23px 0}.option{cursor:pointer;display:flex;gap:11px;align-items:center;border:1px solid #dae4e9;border-radius:9px;padding:12px 14px;min-height:51px;color:#344c5c;font-size:13px;transition:all .2s}.option:has(input:checked){border-color:#b89254;background:#fcf8ef;box-shadow:0 0 0 1px #c5a46c4a}.option input{position:absolute;opacity:0;width:1px;height:1px}.opt-control{display:block;flex-shrink:0;width:17px;height:17px;border:1.5px solid #a4b1b9;border-radius:50%;position:relative}.multi .opt-control{border-radius:4px}.option:has(input:checked) .opt-control{background:#b79459;border-color:#b79459}.option:has(input:checked) .opt-control:after{content:'✓';font-size:12px;color:white;position:absolute;top:-4px;left:3px}.wizard-actions{display:flex;justify-content:space-between;gap:14px;padding-top:22px;border-top:1px solid #edf0f2;margin-top:20px}.wizard-card textarea{width:100%;padding:15px;border:1px solid #d9e3e8;border-radius:10px;resize:vertical;min-height:220px;color:#19354a;outline-color:#bd9b66}.narrative-footer{display:flex;justify-content:space-between;color:#8b989f;font-size:12px;gap:10px}.tip{padding:16px;background:#f5f7f7;border-left:3px solid #c1a06b;margin:20px 0;color:#657984;font-size:12px;line-height:1.9}.followup{margin:21px 0}.followup h4{font-size:15px}.followup .options{margin:8px 0;gap:8px}.captcha-area{margin:20px 0}#formNotice{font-size:13px;color:var(--danger);min-height:20px}.hidden-field{position:absolute!important;left:-10000px!important;opacity:0!important}.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding-top:75px;padding-bottom:75px}.trust h3{font-size:16px}.trust p{color:#647681;font-size:13px}.trust-icon{display:inline-grid;place-items:center;background:#e9eced;color:#9c7745;width:46px;height:46px;font-size:26px;border-radius:50%;margin-bottom:16px}.site-footer{background:#102c41;color:#bdcdd6;padding:26px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:16px}.footer-inner b{display:block;color:#fff;font-size:14px}.footer-inner span{font-size:12px}.footer-inner div:last-child{font-size:12px}.video-dialog{border:0;border-radius:15px;padding:24px;max-width:min(800px,95vw);width:100%}.video-dialog::backdrop{background:#061925bc}.video-dialog>button{float:right;background:none;border:0;font-size:25px}.simple-page{max-width:820px;padding-top:50px;padding-bottom:80px}.simple-page h1{font-size:28px}.simple-page h2{font-size:18px;margin-top:26px}.simple-page p{color:#506575}.report-page{background:#e9eff2}.toolbar{position:sticky;top:0;z-index:9;display:flex;justify-content:space-between;align-items:center;gap:15px;background:#fff;padding:12px 24px;box-shadow:0 3px 16px #0000000b}.toolbar div{display:flex;gap:8px}.toolbar span{font-size:13px;font-weight:bold}.lead-modal{border:0;border-radius:15px;padding:30px;width:460px;max-width:95vw;box-shadow:0 20px 60px #0003}.lead-modal::backdrop{background:#062133ad}.lead-modal h2{font-size:20px}.lead-modal p{color:#73818a;font-size:13px}.lead-modal label:not(.agree){display:block;font-size:13px;margin:15px 0}.lead-modal input:not([type=checkbox]),.lead-modal select,.lead-modal textarea{display:block;width:100%;margin-top:4px;border:1px solid #d7e0e4;border-radius:8px;padding:10px}.lead-modal .agree{display:flex;gap:9px;font-size:12px;margin-bottom:15px}.lead-modal .close{float:right;border:0;background:none;font-size:23px}.lead-modal .btn{width:100%}
@media(max-width:950px){.hero-grid{grid-template-columns:1fr}.hero-visual{display:none}.hero{padding:88px 0}.intro{gap:30px;grid-template-columns:1fr 2fr}.wizard-layout{grid-template-columns:225px 1fr}.wizard-card{padding:30px 25px}.video-box{flex-wrap:wrap}}
@media(max-width:680px){.shell{padding:0 18px}.site-header{height:66px}.identity b{font-size:15px}.identity small{font-size:8px}nav a:not(:last-child){display:none}nav{gap:0;font-size:12px}.logo-mark{width:38px;height:38px;font-size:20px}.hero{padding:70px 0 78px}.hero h1{font-size:35px}.hero-intro{font-size:15px}.hero-pills{gap:6px}.hero-pills span{font-size:11px;padding:4px 8px}.intro{display:block;padding-top:52px;padding-bottom:55px}.intro h2,.six-section h2,.wizard-head h2{font-size:23px}.video-box{padding:14px}.video-icon{width:50px;height:50px}.video-box .text-btn{margin-left:65px}.six-section{padding:55px 0}.six-grid{grid-template-columns:repeat(2,1fr);gap:10px}.six-grid article{padding:16px}.six-grid article h3{font-size:16px}.six-grid article p{font-size:12px}.wizard-section{padding:55px 0}.wizard-head{display:block}.time-badge{display:inline-block;margin-top:14px}.wizard-layout{display:block}.wizard-side{display:none}.wizard-card{padding:24px 19px;min-height:490px}.wizard-card h3{font-size:21px}.options{grid-template-columns:1fr;gap:9px}.followup .options{grid-template-columns:1fr}.option{min-height:49px;font-size:13px}.wizard-actions{gap:8px}.wizard-actions .btn{padding:11px 15px}.trust{grid-template-columns:1fr;gap:12px;padding-top:45px;padding-bottom:45px}.trust>div{padding:15px;border-bottom:1px solid #e4e9ec}.trust-icon{margin-bottom:6px}.footer-inner{display:block}.footer-inner div:last-child{margin-top:9px}.toolbar{padding:10px;flex-wrap:wrap}.toolbar>span{display:none}.toolbar .btn{font-size:11px;padding:8px 9px}}

/* V1.1: CTA to the dedicated fixed-viewport diagnosis flow */
.diagnose-cta-section{padding:54px 0;background:#f1f4f5}.diagnose-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px 34px;background:#fff;border:1px solid #e2e8eb;border-radius:16px}.diagnose-cta h2{font-size:24px;line-height:1.4;margin:8px 0}.diagnose-cta p{margin:0;color:#687d89;font-size:13px;max-width:700px}@media(max-width:680px){.diagnose-cta-section{padding:32px 0}.diagnose-cta{display:block;padding:22px 18px}.diagnose-cta h2{font-size:20px}.diagnose-cta .btn{margin-top:18px;width:100%}}

/* V1.2: mobile-first hero with the founder video above the long introduction */
.hero-grid{min-height:690px;gap:34px}
.hero-content{min-width:0}
.hero-start{margin:4px 0 0}
.hero-video-area{max-width:500px;margin:20px 0 15px}
.hero-video-player-wrap{overflow:hidden;border:1px solid #8195a366;border-radius:13px;background:#061a2a;box-shadow:0 16px 36px #020d1660}
.hero-inline-video{display:block;width:100%;aspect-ratio:16/9;max-height:210px;object-fit:cover;background:#061a2a}
.hero-video-caption{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 13px;background:#0b2437}
.hero-video-caption b{font-size:12px;color:#f4f7f8}
.hero-video-caption span{font-size:10px;color:#aebfca}
.hero-video-card{display:flex;width:100%;align-items:center;gap:13px;padding:11px;text-align:left;border:1px solid #6f8798a6;border-radius:13px;background:#ffffff0b;color:#fff;box-shadow:0 14px 28px #020d1640;cursor:pointer}
.hero-video-card:hover{border-color:#e6c27f;background:#ffffff12}
.hero-video-thumb{position:relative;display:grid;place-items:center;flex:0 0 120px;height:76px;overflow:hidden;border-radius:8px;background:linear-gradient(135deg,#153d56,#071c2d 65%,#b28b4e);background-size:cover;background-position:center}
.hero-video-thumb:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#061a2a40,#071b2d88)}
.hero-play{position:relative;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;padding-left:3px;background:linear-gradient(135deg,#f0d28f,#c29a56);color:#122c40;font-size:15px;box-shadow:0 4px 14px #0005}
.hero-video-copy{display:block;min-width:0}
.hero-video-copy b{display:block;color:#fff;font-size:13px;line-height:1.6}
.hero-video-copy small{display:block;color:#bdcbd4;font-size:11px;line-height:1.5;margin-top:2px}
.hero-video-copy em{display:block;color:#e8c582;font-style:normal;font-size:11px;font-weight:700;margin-top:5px}
.hero-intro{margin-top:8px}
@media(max-width:950px){.hero-grid{min-height:0}.hero-content{max-width:680px}.hero-video-area{max-width:560px}}
@media(max-width:680px){
 .hero{padding:22px 0 26px}
 .hero-grid{display:block;min-height:0}
 .hero-content{width:100%;max-width:none}
 .hero .eyebrow{font-size:10px;letter-spacing:.09em;line-height:1.6}
 .hero h1{font-size:clamp(29px,8vw,35px);line-height:1.28;margin:10px 0 15px;letter-spacing:-.035em}
 .hero-start{width:100%;min-height:49px;margin:0;padding:12px 18px;font-size:15px}
 .hero-video-area{margin:14px 0 12px;max-width:none}
 .hero-inline-video{max-height:none;aspect-ratio:16/9}
 .hero-video-caption{display:block;padding:7px 10px}
 .hero-video-caption b{display:block;font-size:11px}
 .hero-video-caption span{display:block;font-size:10px;margin-top:1px}
 .hero-video-card{padding:9px;gap:10px;border-radius:11px}
 .hero-video-thumb{flex-basis:98px;height:64px}
 .hero-play{width:32px;height:32px;font-size:13px}
 .hero-video-copy b{font-size:12px;line-height:1.45}
 .hero-video-copy small{font-size:10px;line-height:1.4}
 .hero-video-copy em{font-size:10px;margin-top:3px}
 .hero-intro{font-size:13px;line-height:1.7;margin:8px 0 0}
 .hero-pills,.mini-disclaimer{display:none}
}

/* V1.4 低调公开电话：只在站点页脚出现，不使用悬浮按钮或弹窗 */
.site-footer .footer-contact-label{color:#aabdc9;font-size:12px}
.site-footer .footer-contact-sep{display:inline-block;color:#718b9b;padding:0 5px}
.site-footer .footer-contact-phone{color:#d0dce3;font-size:12px;text-decoration:none;white-space:nowrap;font-variant-numeric:tabular-nums;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.site-footer .footer-contact-phone:hover,.site-footer .footer-contact-phone:focus-visible{color:#f1cc87;border-bottom-color:#ba985c}
@media(max-width:680px){.site-footer .footer-contact-sep{padding:0 3px}.site-footer .footer-contact-label,.site-footer .footer-contact-phone{font-size:11px;line-height:2}}

/* V1.5: small video cover card on first screen. Player is only created on click. */
.hero-video-area{max-width:500px;margin:15px 0 15px}
.hero-video-card{width:100%;min-height:95px;text-align:left;display:flex;align-items:center;gap:14px;padding:10px 13px;border:1px solid #6f8798a6;border-radius:14px;background:#ffffff0a;color:#fff;box-shadow:0 10px 24px #020d162e;transition:border-color .18s,background .18s,transform .18s}
.hero-video-card:hover,.hero-video-card:focus-visible{border-color:#e6c27f;background:#ffffff15;outline-offset:3px}
.hero-video-thumb{position:relative;display:grid;place-items:center;flex:0 0 139px;height:77px;overflow:hidden;border-radius:9px;background:linear-gradient(140deg,#153d56,#071c2d 65%,#ae8749)}
.hero-video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero-video-thumb:before{z-index:1;pointer-events:none}
.hero-video-placeholder{font-size:31px;font-weight:800;color:#e2ba75;opacity:.9}
.hero-video-thumb .hero-play{z-index:2;width:34px;height:34px;font-size:14px;position:absolute;inset:0;margin:auto}
.hero-video-copy{min-width:0;flex:1}
.hero-video-copy b{font-size:13px;line-height:1.5;color:#fff}
.hero-video-copy small{font-size:11px;line-height:1.4;color:#c4d4dd;margin-top:4px}
.hero-video-copy em{font-size:11px;margin-top:4px;color:#edc989}
.video-dialog{max-width:min(860px,calc(100vw - 28px));width:100%;max-height:calc(100dvh - 32px);padding:13px;border:1px solid #36566b;background:#0c2639;color:#fff;box-shadow:0 24px 72px #0009;overflow:auto;border-radius:14px}
.video-dialog::backdrop{background:#03121de3}
.video-dialog #videoStage{clear:both}
.video-dialog #videoStage video{display:block;width:100%;height:auto;max-height:calc(100dvh - 105px);background:#061723;object-fit:contain;border-radius:8px}
.video-dialog #closeVideo{float:right;position:relative;margin:0 0 8px;padding:0;width:34px;height:34px;border-radius:50%;background:#ffffff19;color:#fff;line-height:1;font-size:27px}
.video-dialog #closeVideo:focus-visible{outline:2px solid #e9c27a}
.video-fallback{padding:35px 22px;text-align:center}
.video-fallback p{color:#bfd0d9}
@media(max-width:680px){
 .hero-video-area{max-width:none;margin:12px 0 10px}
 .hero-video-card{min-height:78px;padding:8px;gap:11px;border-radius:11px}
 .hero-video-thumb{flex-basis:106px;height:62px}
 .hero-video-thumb .hero-play{width:31px;height:31px;font-size:12px}
 .hero-video-copy b{font-size:12px;line-height:1.43}
 .hero-video-copy small{font-size:10px;line-height:1.38;margin-top:2px}
 .hero-video-copy em{font-size:10px;margin-top:2px}
 .video-dialog{max-width:calc(100vw - 18px);width:100%;max-height:calc(100dvh - 18px);padding:9px;border-radius:11px}
 .video-dialog #videoStage video{max-height:calc(100dvh - 90px)}
}