/* 紫蓝—青绿渐变，HTML 内容与样式分离 */
:root{--navy:#252064;--purple:#3623a8;--blue:#2c72c8;--mint:#24d3b6;--ink:#30344b;--text:#6c7485;--soft:#f6f8fc;--line:#e5e9f1;--width:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:85px}body{margin:0;color:var(--ink);background:#fff;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}h1,h2,h3,p,figure{margin:0}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}h2{font-size:34px;line-height:1.45;font-weight:700}h3{font-size:19px;line-height:1.5}a:focus-visible,summary:focus-visible{outline:3px solid #eaaf38;outline-offset:5px}.container{width:min(var(--width),calc(100% - 80px));margin-inline:auto}.section{padding-block:90px}.soft{background:var(--soft)}.skip{position:fixed;top:-100px;left:15px;padding:10px 18px;background:white;color:var(--navy);z-index:100}.skip:focus{top:10px}
.header{position:sticky;top:0;z-index:30;background:var(--navy);color:white}.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:70px}.brand{display:inline-flex;align-items:center;gap:9px;color:white;font-weight:700;font-size:21px;white-space:nowrap}.brand span{font-weight:400;font-size:12px;letter-spacing:1px}.desktop-nav{display:flex;gap:27px;font-size:14px}.desktop-nav a:hover{color:#77f4dd}.mobile-menu{display:none}
.actions{display:flex;gap:13px;flex-wrap:wrap;align-items:center}.button{display:inline-flex;justify-content:center;align-items:center;gap:12px;border:1px solid transparent;border-radius:30px;min-height:48px;padding:11px 26px;font-size:14px;font-weight:600;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.mint{background:var(--mint);color:#073c39}.mint:hover{background:#54e9cd}.ghost{border-color:#ffffff80;color:white;background:#ffffff0b}.ghost:hover{background:#ffffff22}.blue{background:var(--blue);color:white}.blue:hover{background:#245aa8}.outline{border-color:#d3dce9;color:var(--blue)}.outline:hover{background:#edf4ff}.text-link{color:#2c68b4;font-size:14px;font-weight:600}
.hero{position:relative;background:linear-gradient(105deg,#34209e 0%,#267fc0 50%,#0be5be 100%);color:white;padding:45px 0 115px;clip-path:polygon(0 0,100% 0,100% 85%,59% 100%,0 88%)}.hero-grid{display:grid;grid-template-columns:1fr 285px;gap:80px;align-items:center}.eyebrow{font-size:11px;letter-spacing:3px;opacity:.8;margin-bottom:19px}.hero h1{font-size:clamp(40px,4.4vw,58px);line-height:1.25;letter-spacing:-1.5px}.hero-slogan{font-size:34px;line-height:1.7;font-weight:700;margin-top:24px}.hero-description{font-size:15px;color:#e3f3ff;margin:25px 0 30px;max-width:640px;line-height:1.9}.hero-note{font-size:11px;color:#d5eeff;margin-top:18px}.hero-phone img{width:274px;filter:drop-shadow(0 18px 20px #193b7622)}.hero-phone figcaption{font-size:9px;color:#124b61;text-align:center;margin-top:9px}.down-arrow{position:absolute;bottom:31px;left:50%;font-size:43px;line-height:1;transform:translateX(-50%)}
.benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:60px;text-align:center;padding-top:75px}.icon{display:block;color:var(--navy);font-size:48px;line-height:1.2;margin-bottom:23px}.benefits h2{font-size:21px;font-weight:600}.benefits p{font-size:14px;color:var(--text);margin-top:12px}.section-heading{text-align:center;max-width:740px;margin:0 auto 45px}.section-heading p{font-size:15px;color:var(--text);margin-top:14px}.kicker{display:block;font-size:10px;letter-spacing:2px;color:#497cb3;margin-bottom:12px}
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.app-card{padding:30px;background:white;border:1px solid var(--line);border-radius:15px}.app-title{display:flex;align-items:center;gap:14px}.app-icon{display:flex;align-items:center;justify-content:center;width:50px;height:50px;border-radius:12px;font-size:18px;font-weight:800;flex-shrink:0;color:white}.dark{background:#202332}.blue-icon{background:#2980fe}.app-title p{font-size:12px;color:var(--text)}.tag{margin-left:auto;font-size:10px;color:#207b6b;background:#eaf9f3;padding:4px 9px;border-radius:20px;white-space:nowrap}.app-description{font-size:14px;color:var(--text);margin-top:22px}.domain{display:flex;justify-content:space-between;gap:10px;font-size:12px;overflow-wrap:anywhere;color:#416aa0;background:#f5f8fc;padding:11px 13px;margin:20px 0;border-radius:7px}.app-card .button{font-size:12px;padding:10px 18px;min-height:44px}.directory-note{color:#727c8c;font-size:12px;margin-top:22px;text-align:center}
.guide{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;align-items:center}.guide-visual{background:radial-gradient(ellipse,#e5f0ff,transparent 70%);padding:35px 0}.guide img{width:100%;max-width:440px;margin:auto}.intro{font-size:15px;color:var(--text);margin:22px 0 25px}.guide-columns{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-bottom:25px}.guide-columns h3{font-size:17px;color:var(--navy)}.guide-columns ol{margin:15px 0 0;padding-left:18px;font-size:13px;color:var(--text)}.guide-columns li+li{margin-top:11px}.reverse{grid-template-columns:1.15fr 1fr}.check-list{list-style:none;padding:0;margin:0 0 28px;color:var(--text);font-size:14px}.check-list li{margin:11px 0;padding-left:24px;position:relative}.check-list li::before{content:'✓';position:absolute;left:0;color:#159b84}
.features-layout{display:grid;grid-template-columns:1fr 250px 1fr;gap:50px;align-items:center}.detail-phone{width:235px;justify-self:center}.feature-stack{display:grid;gap:33px}.feature-stack p{font-size:13px;color:var(--text);margin-top:9px}.small-icon{font-size:29px;color:var(--purple);line-height:1.2;display:block;margin-bottom:12px}.gallery-section{background:linear-gradient(160deg,#f7f9fd,#edf3fc)}.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));max-width:850px;margin:auto;gap:45px}.gallery img{width:100%;border:8px solid white;border-radius:18px;box-shadow:0 15px 45px #24226318}.gallery figcaption{text-align:center;font-size:12px;color:var(--text);margin-top:18px}
.security-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:45px}.step{font-size:40px;line-height:1;color:#e0e5f0;font-weight:800;display:block;margin-bottom:20px}.security-grid p{font-size:14px;color:var(--text);margin-top:13px}.notice-band{background:var(--navy);color:white;padding:40px 0}.notice-inner{display:flex;gap:25px;align-items:center}.notice-mark{color:var(--mint);font-size:45px}.notice-inner h2{font-size:22px}.notice-inner p{font-size:13px;color:#d0d4ef;margin-top:9px}.notice-inner .button{margin-left:auto;flex-shrink:0}
.faq{max-width:900px}.faq details{border-bottom:1px solid var(--line)}.faq summary{display:flex;align-items:center;gap:20px;font-size:16px;cursor:pointer;list-style:none;padding:23px 0}.faq summary span{font-size:12px;color:#497cb3;border:1px solid #d7e3f5;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.faq summary::after{content:'+';margin-left:auto;color:var(--purple);font-size:23px}.faq details[open] summary::after{content:'−'}.faq details p{padding:0 30px 24px 52px;font-size:14px;color:var(--text)}summary::-webkit-details-marker{display:none}
.download-section{background:linear-gradient(110deg,#34219d,#287dbd 55%,#18d4ba);color:white;overflow:hidden;padding-top:65px}.download-grid{display:grid;grid-template-columns:300px 1fr;gap:95px;align-items:center}.download-grid>img{width:250px;max-height:410px;object-fit:cover;object-position:top;align-self:end}.download-grid>div{padding-bottom:65px}.download-grid h2{font-size:39px}.download-grid p:not(.eyebrow){font-size:15px;color:#e1f5ff;margin:22px 0 28px}.download-grid small{display:block;font-size:10px;color:#e1f5ff;margin-top:20px}.footer{background:#211d54;color:white;padding:35px 0 23px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:25px}.footer nav{display:flex;gap:25px;font-size:12px;color:#d4d6e7}.footer-note{border-top:1px solid #ffffff20;margin-top:26px;padding-top:20px;color:#bdc0d4;font-size:11px}.footer-note p+p{margin-top:5px}
@media(max-width:1050px){.container{width:calc(100% - 50px)}.desktop-nav{gap:20px}.hero-grid{gap:45px;grid-template-columns:1fr 250px}.hero h1{font-size:45px}.hero-slogan{font-size:30px}.hero-phone img{width:250px}.app-card{padding:24px}.tag{display:none}.features-layout{gap:30px;grid-template-columns:1fr 220px 1fr}.detail-phone{width:210px}.guide{gap:40px}.download-grid{gap:50px}.download-grid .button{font-size:12px;padding:10px 19px}}
@media(max-width:760px){html{scroll-padding-top:75px}.container{width:calc(100% - 36px)}.nav-wrap{min-height:65px}.brand{font-size:19px}.brand span{font-size:10px}.desktop-nav{display:none}.mobile-menu{display:block}.mobile-menu summary{font-size:25px;list-style:none;cursor:pointer}.mobile-menu nav{position:absolute;top:65px;left:0;right:0;padding:15px 22px;background:var(--navy);box-shadow:0 15px 25px #20245c20}.mobile-menu nav a{display:block;font-size:14px;padding:9px 0}.hero{padding:40px 0 90px;clip-path:polygon(0 0,100% 0,100% 96%,55% 100%,0 96%)}.hero-grid{grid-template-columns:1fr;gap:35px;text-align:center}.hero-copy{max-width:570px;margin:auto}.hero h1{font-size:clamp(33px,6.2vw,45px)}.hero-slogan{font-size:25px;line-height:1.5;margin-top:20px}.hero-slogan br{display:none}.hero-description{font-size:14px;margin:22px 0 25px}.hero .actions{justify-content:center}.hero-phone{justify-self:center}.hero-phone img{width:225px}.hero-phone figcaption{color:#e1f5ff}.hero-note{font-size:10px}.down-arrow{bottom:22px}.section{padding-block:60px}h2{font-size:28px}.benefits{gap:23px;padding-top:45px}.benefits h2{font-size:17px}.benefits p{font-size:12px}.icon{font-size:35px;margin-bottom:16px}.app-grid{grid-template-columns:1fr}.app-card .tag{display:block}.guide,.reverse{grid-template-columns:1fr;gap:30px}.guide-visual{order:2;padding:0}.guide img{max-width:340px}.guide-columns{gap:25px}.features-layout{grid-template-columns:1fr 1fr;gap:30px}.detail-phone{grid-column:1/-1;grid-row:2;width:210px}.feature-stack{gap:27px}.feature-stack h3{font-size:17px}.gallery{gap:15px}.gallery img{border-width:5px;border-radius:12px}.gallery figcaption{font-size:10px}.security-grid{gap:25px}.security-grid h3{font-size:17px}.security-grid p{font-size:12px}.notice-inner{flex-wrap:wrap;gap:15px}.notice-inner>div{flex:1;min-width:220px}.notice-inner .button{margin-left:0}.notice-mark{font-size:30px}.notice-inner h2{font-size:20px}.faq summary{font-size:14px;gap:12px}.faq details p{padding-left:44px}.download-grid{grid-template-columns:1fr;gap:30px;text-align:center}.download-grid>img{grid-row:2;width:200px;height:270px;justify-self:center}.download-grid>div{padding:0}.download-grid h2{font-size:32px}.download-grid .actions{justify-content:center}.footer-top{flex-direction:column;align-items:flex-start;gap:20px}.footer nav{gap:20px;flex-wrap:wrap}}
@media(max-width:420px){.hero h1{font-size:33px}.hero .button{font-size:13px;padding:10px 21px}.benefits{grid-template-columns:1fr;gap:30px}.benefits article{max-width:280px;margin:auto}.icon{font-size:38px}.benefits p{font-size:14px}.app-card{padding:22px}.app-title{gap:11px}.app-title h3{font-size:18px}.app-card .tag{display:none}.app-card .actions{gap:14px}.guide-columns{grid-template-columns:1fr}.gallery{gap:10px}.gallery img{border-width:3px}.security-grid{grid-template-columns:1fr;gap:30px}.security-grid p{font-size:14px}.step{font-size:32px;margin-bottom:12px}.faq summary span{width:28px;height:28px}.faq details p{padding-left:0}.download-grid .button{font-size:12px;padding:10px 16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

/* 手机边框和界面分层，避免空白屏幕 */
.phone-device{position:relative;width:274px}.hero-phone .phone-screen{position:absolute;top:11.85%;left:8.76%;width:83.94%;height:75.2%;object-fit:fill;filter:none}.hero-phone .phone-frame{width:100%}@media(max-width:1050px){.phone-device{width:250px}}@media(max-width:760px){.phone-device{width:225px}}

/* 目标站原文版本 */
.original-logo{width:82px;height:36px;object-fit:contain}.nav-wrap{min-height:55px}.hero{padding-top:35px}.hero-grid{grid-template-columns:1fr 274px;gap:70px}.hero h1{font-size:clamp(40px,4.6vw,60px)}.hero-slogan{font-size:40px;line-height:1.7;margin-top:30px}.hero-description{font-weight:500}.hero .button{min-width:165px}.reputation{margin-top:90px}.certification{text-align:center;max-width:820px}.certification>img{width:86px;height:86px;object-fit:cover;border-radius:50%;margin:0 auto 22px}.certification h2{font-size:22px}.certification .cert-subtitle{font-size:13px;margin:6px 0 20px;opacity:.8}.certification p{font-size:15px}.faq-item{padding:24px 0;border-bottom:1px solid var(--line)}.faq-item h3{display:flex;align-items:center;gap:17px;font-size:17px}.faq-item h3 span{display:flex;align-items:center;justify-content:center;background:var(--navy);color:white;width:31px;height:31px;font-size:13px;border-radius:50%;flex-shrink:0}.faq-item p{color:var(--text);font-size:14px;margin:14px 0 0 48px}.original-footer{text-align:center;font-size:12px;color:#d0d2e7}.original-footer span{margin-left:20px}.download-grid h2{font-size:34px}
@media(max-width:1050px){.hero-grid{grid-template-columns:1fr 250px;gap:45px}.hero h1{font-size:45px}.hero-slogan{font-size:34px}}
@media(max-width:760px){.hero-grid{grid-template-columns:1fr;gap:35px}.hero h1{font-size:36px}.hero-slogan{font-size:29px}.hero-slogan br{display:block}.mobile-menu nav{top:55px}.reputation{margin-top:55px}.faq-item h3{font-size:15px}.original-footer span{display:block;margin:8px 0 0}.download-grid h2{font-size:29px}}