:root{--bg:#F5F7FF;--ink:#1F2740;--muted:#66708A;--soft:#9AA4BA;--title:#131A35;--brand:#5B6CFF;--purple:#7A5CFF;--cyan:#00D4FF;--gold:#FFC857;--red:#D94F70;--dark:#11182F;--footer:#0B1024;--card:#fff;--line:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--gradient:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);--radius:24px;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:none}button,input,textarea{font:inherit}.skip-link{position:fixed;left:12px;top:-80px;z-index:20000;background:#fff;padding:10px 16px;border-radius:10px}.skip-link:focus{top:12px}.container{width:min(calc(100% - 36px),var(--max));margin-inline:auto}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(12,18,40,.94);backdrop-filter:blur(12px);box-shadow:0 8px 26px rgba(25,43,91,.16)}.header-inner{max-width:1280px;margin:0 auto;min-height:72px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo{display:flex;align-items:center;gap:10px;color:#fff;min-width:max-content}.site-logo img{width:42px;max-height:44px;object-fit:contain}.site-logo strong{font-size:20px;letter-spacing:.06em}.nav-core{display:flex;align-items:center;gap:6px}.nav-core a{color:#EEF2FF;border-radius:999px;padding:8px 12px;font-size:14px;white-space:nowrap}.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(0,212,255,.16)}.header-actions{display:flex;align-items:center;gap:10px}.main-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--gradient);color:#fff;border-radius:999px;padding:13px 24px;font-weight:700;box-shadow:0 14px 32px rgba(91,108,255,.22);transition:.25s transform,.25s box-shadow}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(91,108,255,.3)}.main-btn.compact{padding:10px 18px;font-size:14px}.ghost-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--brand);font-weight:700}.menu-button{width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.1);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}.menu-button span{width:18px;height:2px;background:#fff;border-radius:3px}.mobile-menu-button{display:none}.drawer-overlay{position:fixed;inset:0;background:rgba(4,8,24,.58);z-index:11000}.site-drawer{position:fixed;right:0;top:0;bottom:0;width:min(390px,92vw);padding:22px;background:#fff;z-index:12000;transform:translateX(105%);transition:transform .28s ease;overflow-y:auto;box-shadow:-20px 0 55px rgba(10,18,52,.22)}.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title);font-weight:800;font-size:20px}.drawer-brand img{width:40px}.drawer-close{border:0;background:#EEF1FF;color:var(--title);width:42px;height:42px;border-radius:50%;font-size:28px;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:20px 0}.drawer-nav a{padding:12px 14px;border:1px solid var(--line);border-radius:14px;color:var(--ink);background:#FAFBFF}.drawer-nav a:hover{background:#EEF3FF;color:var(--brand)}.drawer-note{background:#11182F;color:#EEF2FF;border-radius:18px;padding:18px}.drawer-note strong{color:var(--cyan)}.drawer-note p{margin:6px 0 0;font-size:13px;color:#CBD3EF}
.hero{position:relative;padding:78px 0 64px;background:radial-gradient(circle at 8% 20%,rgba(122,92,255,.17),transparent 30%),radial-gradient(circle at 88% 25%,rgba(0,212,255,.18),transparent 28%),linear-gradient(135deg,#F7F2FF 0%,#EDF8FF 52%,#FFF6FC 100%);overflow:hidden}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);opacity:.6}.hero:before{width:230px;height:230px;background:rgba(255,200,87,.18);left:-90px;bottom:-90px}.hero:after{width:170px;height:170px;background:rgba(217,79,112,.13);right:8%;top:18%}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:56px;position:relative;z-index:1}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:800;letter-spacing:.12em;font-size:13px;text-transform:uppercase}.eyebrow:before,.section-kicker:before{content:"";width:28px;height:3px;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--cyan))}.hero h1{font-size:clamp(48px,7vw,88px);line-height:1.05;margin:16px 0;color:var(--title);letter-spacing:-.04em}.hero-subtitle{font-size:clamp(22px,3vw,34px);font-weight:800;color:#283457;margin:0 0 18px}.hero-copy{font-size:17px;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}.hero-points{display:flex;gap:12px;flex-wrap:wrap}.hero-points span{padding:8px 12px;background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:999px;color:#4B5573;font-size:14px}.hero-visual{position:relative}.hero-visual img{width:100%;max-height:590px;object-fit:contain;filter:drop-shadow(0 28px 46px rgba(33,45,90,.2))}.floating-note{position:absolute;right:0;bottom:7%;width:min(250px,58%);padding:16px;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.floating-note strong{display:block;color:var(--title)}.floating-note span{font-size:13px;color:var(--muted)}
.highlight-strip{margin-top:-24px;position:relative;z-index:3}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;padding:14px}.highlight-item{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#F8FAFF)}.highlight-item b{display:block;color:var(--title);font-size:17px}.highlight-item p{margin:6px 0 0;color:var(--muted);font-size:14px;line-height:1.65}.section{padding:76px 0}.section.alt{background:#fff}.section.dark{background:linear-gradient(135deg,#11182F,#16213E);color:#EEF2FF}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}.section-head h2{margin:8px 0 0;font-size:clamp(30px,4vw,48px);line-height:1.2;color:var(--title)}.section.dark .section-head h2,.section.dark h2,.section.dark h3{color:#fff}.section-intro{max-width:700px;color:var(--muted);margin:0}.section.dark .section-intro,.section.dark p{color:#C6CFE8}.capsule-grid{display:flex;gap:12px;flex-wrap:wrap}.capsule{flex:1 1 210px;min-height:118px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:999px 26px 26px 999px;box-shadow:0 12px 30px rgba(25,43,91,.08);display:flex;align-items:center;gap:14px}.capsule .num{width:46px;height:46px;flex:0 0 46px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#EEF0FF,#E8FBFF);color:var(--brand);font-weight:900}.capsule strong{display:block;color:var(--title)}.capsule p{font-size:13px;line-height:1.55;margin:3px 0 4px;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:48px}.split.reverse .media{order:2}.media-card,.card,.zone-card,.info-card,.review-card,.faq-item{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}.media-card{padding:18px}.media-card img{width:100%;max-height:520px;object-fit:contain;border-radius:18px}.content h2{font-size:clamp(30px,4vw,46px);line-height:1.22;margin:8px 0 18px;color:var(--title)}.content h3{font-size:24px;color:var(--title)}.content p{color:var(--muted)}.check-list{list-style:none;padding:0;margin:22px 0}.check-list li{position:relative;padding:9px 0 9px 32px;color:#46506C}.check-list li:before{content:"✓";position:absolute;left:0;top:8px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#EEF1FF;color:var(--brand);font-weight:800;font-size:13px}.text-link{font-weight:800;color:var(--brand)}.text-link:after{content:" →"}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.zone-card,.info-card{padding:24px}.zone-card img,.info-card img{width:100%;height:220px;object-fit:contain;border-radius:18px;background:linear-gradient(135deg,#F1F4FF,#EBFBFF);margin-bottom:18px}.zone-card h3,.info-card h3{font-size:24px;margin:4px 0 10px;color:var(--title)}.zone-card p,.info-card p{color:var(--muted)}.mini-points{display:grid;gap:8px;margin:18px 0}.mini-points span{display:block;border-left:3px solid var(--brand);padding:6px 0 6px 12px;color:#4B5573;background:#FAFBFF}.security-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px}.security-card{padding:28px;border-radius:26px;background:linear-gradient(135deg,#fff,#F2F6FF);border:1px solid var(--line);display:grid;grid-template-columns:160px 1fr;gap:24px;align-items:center}.security-card img{width:160px;height:160px;object-fit:contain}.security-card h3{margin:0 0 8px;font-size:25px;color:var(--title)}.security-card p{margin:0;color:var(--muted)}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:22px}.review-card blockquote{margin:0;color:#47516D}.review-card footer{margin-top:15px;color:var(--brand);font-size:14px;font-weight:800}.faq-list{display:grid;gap:14px}.faq-item{padding:0;overflow:hidden}.faq-item details{padding:0}.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;color:var(--title);font-weight:800;display:flex;justify-content:space-between;gap:20px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";color:var(--brand);font-size:22px}.faq-item details[open] summary:after{content:"−"}.faq-item p{margin:0;padding:0 24px 22px;color:var(--muted)}.notice{padding:30px;border-radius:28px;background:linear-gradient(135deg,#FFF6DD,#F2F3FF 55%,#E9FAFF);border:1px solid rgba(255,200,87,.45);display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}.notice-icon{width:50px;height:50px;border-radius:18px;background:#fff;display:grid;place-items:center;font-size:25px}.notice h2,.notice h3{margin:0 0 7px;color:var(--title)}.notice p{margin:0;color:#5C6276}.inner-hero{padding:64px 0 52px;background:radial-gradient(circle at 80% 20%,rgba(0,212,255,.14),transparent 30%),radial-gradient(circle at 10% 10%,rgba(122,92,255,.16),transparent 28%),linear-gradient(135deg,#F8F4FF,#EDF8FF)}.inner-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}.inner-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.13;margin:12px 0;color:var(--title)}.inner-hero p{font-size:17px;color:var(--muted)}.inner-hero img{width:100%;max-height:430px;object-fit:contain;filter:drop-shadow(0 24px 42px rgba(34,50,100,.18))}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px;align-items:start}.article-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:32px}.article-card h2{font-size:30px;color:var(--title);margin:0 0 12px}.article-card h3{font-size:22px;color:var(--title);margin:28px 0 8px}.article-card p{color:var(--muted)}.article-card ul{padding-left:22px;color:#4C5671}.article-card li{margin:8px 0}.side-stack{display:grid;gap:18px;position:sticky;top:96px}.side-card{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 32px rgba(25,43,91,.1)}.side-card h2,.side-card h3{margin:0 0 10px;color:var(--title);font-size:21px}.side-card p{color:var(--muted);font-size:14px}.side-links{display:grid;gap:9px}.side-links a{padding:10px 12px;border-radius:12px;background:#F7F8FF;color:#3F4A69}.feature-table{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}.feature-cell{padding:18px;border-radius:18px;background:#F7F9FF;border:1px solid var(--line)}.feature-cell strong{display:block;color:var(--title)}.feature-cell span{color:var(--muted);font-size:14px}.quote{margin:24px 0;padding:20px;border-left:4px solid var(--brand);border-radius:0 18px 18px 0;background:#F7F8FF;color:#4B5573}.contact-form{display:grid;gap:14px;margin-top:22px}.contact-form label{font-weight:700;color:var(--title)}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;background:#FBFCFF;color:var(--ink)}.contact-form textarea{min-height:140px;resize:vertical}.contact-form button{border:0;cursor:pointer;justify-self:start}.site-footer{background:#0B1024;color:#EEF2FF;padding:58px 0 92px}.footer-inner{width:min(calc(100% - 36px),var(--max));margin:auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px}.footer-brand p{color:#AEB9D8;max-width:430px}.footer-logo{margin-bottom:14px}.footer-links{display:grid;align-content:start;gap:8px}.footer-links h2{font-size:16px;margin:0 0 8px;color:#fff}.footer-links a{color:#BFC8E1;font-size:14px}.footer-links a:hover{color:#fff}.footer-bottom{width:min(calc(100% - 36px),var(--max));margin:36px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);color:#99A6C7;font-size:13px}.mobile-bottom-nav{display:none}
@media(max-width:1020px){.nav-core{display:none}.mobile-menu-button{display:flex}.desktop-menu-button{display:none}.hero-grid,.inner-hero-grid,.split,.article-grid{grid-template-columns:1fr}.hero-visual{max-width:680px;margin:auto}.inner-hero img{max-height:360px}.highlight-grid{grid-template-columns:repeat(2,1fr)}.grid-3,.review-grid{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.security-panel{grid-template-columns:1fr}.side-stack{position:static;grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){body{padding-bottom:68px}.header-inner{padding:0 12px;min-height:64px}.site-logo strong{display:none}.site-logo img{width:38px}.header-actions{gap:6px}.main-btn.compact{padding:9px 13px;font-size:13px}.menu-button{width:40px;height:40px}.hero{padding:54px 0 50px}.hero-grid{gap:26px}.hero h1{font-size:50px}.hero-subtitle{font-size:24px}.hero-copy{font-size:15px}.floating-note{position:relative;right:auto;bottom:auto;width:100%;margin-top:-12px}.highlight-strip{margin-top:-18px}.highlight-grid{grid-template-columns:1fr;padding:10px}.highlight-item{padding:14px}.section{padding:54px 0}.section-head{display:block}.capsule{border-radius:22px}.grid-2,.grid-3,.grid-4,.review-grid,.side-stack,.feature-table{grid-template-columns:1fr}.split.reverse .media{order:0}.security-card{grid-template-columns:1fr;text-align:left}.security-card img{width:130px;height:130px}.inner-hero{padding:48px 0 38px}.inner-hero-grid{gap:18px}.inner-hero h1{font-size:40px}.article-card{padding:22px}.drawer-nav{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.site-footer{padding-bottom:46px}.mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:8px;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(11,16,36,.94);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:7px;box-shadow:0 12px 34px rgba(10,18,52,.3)}.mobile-bottom-nav a{display:grid;place-items:center;color:#DCE3F7;font-size:11px}.mobile-bottom-nav span{font-size:18px;line-height:1.1}.notice{grid-template-columns:1fr}.zone-card img,.info-card img{height:190px}}