:root{--paper:#F4F1E8;--paper2:#ECE8DD;--white:#FFFDF7;--ink:#111;--text:#1D1D1D;--muted:#62605B;--soft:#89867E;--acid:#D7FF32;--green:#B9F227;--blue:#2457FF;--orange:#FF5938;--dark:#161616;--line:rgba(17,17,17,.22);--strong:rgba(17,17,17,.72);--shadow:0 16px 36px rgba(30,28,22,.08);--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.78;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:inherit}img{max-width:100%;height:auto;display:block}button,input,textarea{font:inherit}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(244,241,232,.96);border-bottom:1px solid var(--strong)}.header-inner{max-width:var(--max);margin:0 auto;min-height:72px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-logo{display:flex;align-items:center;min-width:120px}.site-logo img{max-height:44px;width:auto}.nav-core{display:flex;align-items:center;gap:24px;white-space:nowrap}.nav-core a{text-decoration:none;padding:8px 2px;border-bottom:2px solid transparent;font-size:15px;font-weight:650}.nav-core a:hover,.nav-core a.active{border-bottom-color:var(--ink)}.header-actions{display:flex;align-items:center;gap:14px}.main-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;min-height:46px;padding:11px 18px;border:1px solid var(--ink);border-radius:4px;font-weight:750;transition:.2s ease}.main-btn{background:var(--ink);color:#fff}.main-btn:hover{background:var(--acid);color:var(--ink)}.secondary-btn{background:transparent}.secondary-btn:hover{background:var(--white)}.compact{min-height:42px;padding:9px 15px}.menu-toggle{width:38px;height:34px;border:0;background:transparent;padding:6px;display:flex;flex-direction:column;justify-content:center;gap:5px;cursor:pointer}.menu-toggle span{height:2px;background:var(--ink);display:block}.menu-toggle span:nth-child(2){width:72%}.mobile-menu-toggle{display:none}.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.48);z-index:10000;opacity:0;visibility:hidden;transition:.2s}.drawer-mask.open{opacity:1;visibility:visible}.site-drawer{position:fixed;top:0;right:0;width:min(470px,92vw);height:100vh;background:#111;color:#fff;z-index:10001;transform:translateX(102%);transition:transform .25s ease;overflow:auto;padding:24px}.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.25);padding-bottom:18px}.drawer-head strong{font-size:25px}.drawer-close{border:0;background:none;color:#fff;font-size:36px;line-height:1;cursor:pointer}.drawer-nav{display:grid;margin-top:12px}.drawer-nav a{text-decoration:none;color:#fff;border-bottom:1px solid rgba(255,255,255,.18);font-size:clamp(21px,3vw,31px);font-weight:780;padding:13px 0;display:flex;gap:18px}.drawer-nav a span{font-size:12px;color:var(--acid);padding-top:8px}.drawer-nav a:hover,.drawer-nav a.active{color:var(--acid)}main{min-height:55vh}.wrap{max-width:var(--max);margin:0 auto;padding-left:24px;padding-right:24px}.section{padding:96px 0}.section.tight{padding:64px 0}.section-head{display:grid;grid-template-columns:120px 1fr;gap:28px;align-items:end;border-top:1px solid var(--ink);padding-top:18px;margin-bottom:42px}.section-index{color:var(--blue);font-size:14px;font-weight:800;letter-spacing:.08em}.section-title{font-size:clamp(34px,5vw,58px);line-height:1.06;margin:0;color:var(--ink);letter-spacing:-.03em}.section-lead{font-size:18px;max-width:760px;color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:800;text-transform:uppercase}.accent-label{display:inline-block;background:var(--acid);color:var(--ink);padding:4px 8px;font-size:12px;font-weight:800;letter-spacing:.08em}.text-link{color:var(--blue);font-weight:700;text-decoration:none;border-bottom:1px solid currentColor}.hero{padding:56px 0 34px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:end}.hero-copy{border-top:5px solid var(--ink);padding-top:22px}.hero-kicker{display:flex;justify-content:space-between;gap:18px;font-size:12px;font-weight:800;letter-spacing:.16em}.hero h1{font-size:clamp(64px,9vw,112px);line-height:.9;letter-spacing:-.065em;margin:32px 0 22px;color:var(--ink)}.hero h2{font-size:clamp(24px,3vw,38px);line-height:1.18;margin:0 0 22px;max-width:750px}.hero p{font-size:17px;max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.hero-points{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:34px;padding-top:16px}.hero-points span{font-size:14px;font-weight:700}.hero-visual{position:relative;border:1px solid var(--ink);padding:12px;background:var(--white)}.hero-visual:before{content:"01 / FEATURED";position:absolute;top:18px;left:18px;z-index:2;background:var(--acid);padding:3px 7px;font-size:11px;font-weight:900}.hero-visual img{width:100%;object-fit:contain}.core-strip{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);display:grid;grid-template-columns:repeat(4,1fr)}.core-item{padding:22px;min-height:168px}.core-item+.core-item{border-left:1px solid var(--ink)}.core-item strong{display:block;color:var(--blue);font-size:12px;letter-spacing:.1em}.core-item h3{margin:26px 0 8px;font-size:22px}.core-item p{margin:0;font-size:14px;color:var(--muted)}.index-list{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--ink)}.index-item{display:grid;grid-template-columns:72px 180px 1fr auto;gap:14px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.index-item:nth-child(odd){padding-right:24px}.index-item:nth-child(even){padding-left:24px;border-left:1px solid var(--line)}.index-item .no{color:var(--blue);font-weight:900}.index-item h3{margin:0;font-size:20px}.index-item p{margin:0;color:var(--muted);font-size:14px}.brand-split,.feature-split,.content-split{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.brand-split.reverse,.feature-split.reverse{grid-template-columns:.82fr 1.18fr}.media-frame{border:1px solid var(--ink);padding:10px;background:var(--white)}.media-frame img{width:100%;object-fit:contain}.copy-block h2{font-size:clamp(38px,5vw,64px);line-height:1.02;margin:12px 0 22px}.copy-block p{font-size:17px}.copy-block .big-no{font-size:92px;line-height:.8;font-weight:900;color:var(--blue)}.feature-meta{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:12px;margin-top:22px}.feature-meta span{font-size:13px;font-weight:700}.duo{display:grid;grid-template-columns:1.1fr .9fr;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.duo-panel{padding:42px}.duo-panel+.duo-panel{border-left:1px solid var(--ink)}.duo-panel.dark{background:var(--dark);color:#fff}.duo-panel.dark h2,.duo-panel.dark h3{color:#fff}.duo-panel h2{font-size:clamp(34px,4vw,54px);line-height:1.04;margin:10px 0 18px}.duo-panel h3{font-size:19px;margin-bottom:6px}.duo-panel img{border:1px solid currentColor;margin:24px 0 20px;width:100%}.service-points{display:grid;gap:0;margin-top:22px}.service-point{padding:14px 0;border-top:1px solid currentColor}.service-point strong{display:block}.triple{display:grid;grid-template-columns:1fr .9fr 1.1fr;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.triple>article{padding:30px}.triple>article+article{border-left:1px solid var(--ink)}.triple h2{font-size:30px;line-height:1.08;margin:12px 0}.triple img{margin:20px 0;border:1px solid var(--ink)}.date-list{display:grid;border-top:1px solid var(--line);margin-top:18px}.date-row{display:grid;grid-template-columns:64px 1fr;gap:14px;border-bottom:1px solid var(--line);padding:14px 0}.date-row strong{color:var(--orange)}.safety-band{background:#111;color:#fff;padding:86px 0}.safety-band .section-title{color:#fff}.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.safety-card{border:1px solid rgba(255,255,255,.45);padding:22px}.safety-card img{border:1px solid rgba(255,255,255,.45);margin-bottom:20px}.safety-card h3{font-size:28px;margin:12px 0}.safety-list{display:grid;gap:10px}.safety-list div{border-top:1px solid rgba(255,255,255,.25);padding-top:10px}.reviews{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--ink)}.review{padding:28px 30px;border-bottom:1px solid var(--line);min-height:220px}.review:nth-child(odd){border-right:1px solid var(--line)}.review:nth-child(3n){background:#F1F8C9}.review:nth-child(4n){background:#E5EAFF}.review .quote-no{font-size:54px;line-height:1;color:var(--blue);font-weight:900}.review p{font-size:17px}.faq-list{border-top:1px solid var(--ink)}.faq-item{border-bottom:1px solid var(--ink)}.faq-question{width:100%;text-align:left;border:0;background:transparent;display:grid;grid-template-columns:60px 1fr 34px;gap:16px;align-items:center;padding:20px 0;cursor:pointer;color:var(--ink)}.faq-question .num{color:var(--blue);font-weight:900}.faq-question strong{font-size:18px}.faq-question .plus{font-size:25px}.faq-answer{display:block;padding:0 50px 22px 76px;color:var(--muted)}.faq-item.js-collapsible .faq-answer{display:none}.faq-item.js-collapsible.open .faq-answer{display:block}.faq-item.open .plus{transform:rotate(45deg)}.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.notice{border-top:4px solid var(--ink);background:var(--white);padding:24px}.notice h3{font-size:25px}.about-mini{display:grid;grid-template-columns:220px 1fr;gap:40px;border-top:1px solid var(--ink);padding-top:24px}.page-hero{padding:74px 0 50px;border-bottom:1px solid var(--ink)}.page-hero-grid{display:grid;grid-template-columns:1fr .72fr;gap:54px;align-items:end}.page-hero .page-no{color:var(--blue);font-weight:900;letter-spacing:.08em}.page-hero h1{font-size:clamp(52px,7vw,88px);line-height:.92;letter-spacing:-.05em;margin:20px 0}.page-hero .lead{font-size:19px;max-width:760px}.page-hero img{border:1px solid var(--ink);padding:8px;background:var(--white)}.article-grid{display:grid;grid-template-columns:260px 1fr;gap:56px}.article-aside{position:sticky;top:104px;align-self:start;border-top:1px solid var(--ink);padding-top:14px}.article-aside a{display:block;text-decoration:none;border-bottom:1px solid var(--line);padding:9px 0;font-weight:700}.article-body section{padding:0 0 44px;margin-bottom:44px;border-bottom:1px solid var(--line)}.article-body h2{font-size:clamp(30px,4vw,46px);line-height:1.1;margin:0 0 20px}.article-body h3{font-size:23px;margin:28px 0 10px}.article-body p{font-size:17px}.numbered-list{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--ink)}.numbered-item{padding:22px;border-bottom:1px solid var(--line)}.numbered-item:nth-child(odd){border-right:1px solid var(--line)}.numbered-item .n{color:var(--blue);font-size:13px;font-weight:900}.numbered-item h3{margin:15px 0 7px}.pullquote{font-size:clamp(30px,5vw,54px);line-height:1.18;font-weight:850;border-top:4px solid var(--ink);border-bottom:1px solid var(--ink);padding:28px 0;margin:40px 0}.black-section{background:#111;color:#fff;padding:64px 0}.black-section h2,.black-section h3{color:#fff}.yellow-section{background:#F1F8C9;padding:64px 0}.blue-section{background:#E5EAFF;padding:64px 0}.step-list{display:grid;counter-reset:step;border-top:1px solid var(--ink)}.step{display:grid;grid-template-columns:70px 1fr;gap:22px;padding:22px 0;border-bottom:1px solid var(--line)}.step:before{counter-increment:step;content:"0" counter(step);color:var(--blue);font-weight:900;font-size:22px}.step h3{margin:0 0 6px}.plain-list{padding-left:20px}.plain-list li{margin:7px 0}.inline-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px}.inline-links a{color:var(--blue);font-weight:700}.site-footer{background:#111;color:var(--paper);padding:72px 0 32px;margin-top:0}.footer-inner{max-width:var(--max);margin:0 auto;padding:0 24px}.footer-brand{display:grid;grid-template-columns:140px 1fr 1fr;gap:24px;align-items:start;border-bottom:1px solid rgba(244,241,232,.25);padding-bottom:40px}.footer-kicker{font-size:12px;letter-spacing:.13em;color:var(--acid)}.footer-wordmark{font-size:clamp(44px,6vw,82px);font-weight:900;line-height:.88}.footer-brand p{margin:0;color:#c8c4ba}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:38px 0}.footer-grid h3{font-size:13px;letter-spacing:.12em;color:var(--acid)}.footer-grid a{display:block;color:var(--paper);text-decoration:none;padding:5px 0}.footer-note{display:flex;justify-content:space-between;gap:30px;border-top:1px solid rgba(244,241,232,.25);padding-top:22px;font-size:13px;color:#bbb6aa}.mobile-bottom-nav{display:none}
@media(max-width:980px){.nav-core{display:none}.mobile-menu-toggle{display:flex}.desktop-menu-toggle{display:none}.header-inner{padding:0 18px}.site-logo{min-width:auto;position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{max-height:38px}.hero-grid,.brand-split,.feature-split,.content-split,.brand-split.reverse,.feature-split.reverse,.page-hero-grid,.article-grid{grid-template-columns:1fr}.hero{padding-top:36px}.hero h1{font-size:clamp(58px,16vw,94px)}.hero-visual{margin-top:4px}.core-strip{grid-template-columns:1fr 1fr}.core-item:nth-child(3){border-left:0;border-top:1px solid var(--ink)}.core-item:nth-child(4){border-top:1px solid var(--ink)}.index-list{grid-template-columns:1fr}.index-item:nth-child(odd),.index-item:nth-child(even){padding:16px 0;border-left:0}.index-item{grid-template-columns:54px 150px 1fr auto}.duo,.triple{grid-template-columns:1fr}.duo-panel+.duo-panel,.triple>article+article{border-left:0;border-top:1px solid var(--ink)}.safety-grid,.reviews,.notice-grid{grid-template-columns:1fr}.review:nth-child(odd){border-right:0}.article-aside{position:static;display:flex;gap:8px;overflow:auto;padding-bottom:8px}.article-aside a{white-space:nowrap;border:1px solid var(--line);padding:7px 10px}.footer-brand{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(3,1fr)}.footer-note{flex-direction:column}.section{padding:74px 0}.page-hero{padding-top:54px}.about-mini{grid-template-columns:1fr}.numbered-list{grid-template-columns:1fr}.numbered-item:nth-child(odd){border-right:0}}
@media(max-width:640px){body{padding-bottom:64px}.wrap,.footer-inner{padding-left:18px;padding-right:18px}.header-inner{min-height:64px}.main-btn.compact{font-size:13px;padding:8px 11px;min-height:38px}.section{padding:58px 0}.section.tight{padding:44px 0}.section-head{grid-template-columns:1fr;gap:5px;margin-bottom:30px}.section-title{font-size:clamp(32px,11vw,48px)}.hero{padding:26px 0}.hero-grid{gap:26px}.hero h1{margin:24px 0 18px}.hero h2{font-size:24px}.hero p,.copy-block p,.article-body p{font-size:16px}.hero-kicker{font-size:10px}.core-strip{grid-template-columns:1fr}.core-item+.core-item{border-left:0;border-top:1px solid var(--ink)}.index-item{grid-template-columns:44px 1fr auto;gap:8px}.index-item p{grid-column:2/4}.copy-block .big-no{font-size:68px}.duo-panel{padding:26px 18px}.triple>article{padding:24px 18px}.safety-band{padding:58px 0}.review{padding:24px 18px}.faq-question{grid-template-columns:44px 1fr 24px}.faq-answer{padding:0 16px 20px 60px}.page-hero h1{font-size:clamp(48px,16vw,72px)}.article-grid{gap:32px}.numbered-item{padding:20px 0}.step{grid-template-columns:52px 1fr}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:9000;height:58px;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(244,241,232,.98);border-top:1px solid var(--ink)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;text-decoration:none;font-weight:700;font-size:13px}.mobile-bottom-nav a:hover{background:var(--acid)}.site-drawer{width:100%;padding:20px}.drawer-nav a{font-size:22px}.footer-wordmark{font-size:48px}}