:root{color-scheme:light;--ink:#17202c;--muted:#647083;--line:#e5e8e9;--cream:#f7f7f3;--white:#fff;--navy:#111d30;--orange:#ef6b42;--orange-dark:#d94d29;--orange-soft:#fff0e9;--mint:#d9f0e6;--mint-ink:#246d56;--shadow:0 18px 48px rgba(16,30,48,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.65 'DM Sans','PingFang SC','Microsoft YaHei',system-ui,sans-serif}a{color:inherit}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #ffad91;outline-offset:3px;border-radius:6px}img{max-width:100%}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;color:var(--orange)}.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;background:var(--orange-soft);color:#ae492b;padding:5px 10px;font-size:12px;font-weight:800;line-height:1.2}.tag.mint{background:var(--mint);color:var(--mint-ink)}.tag.dark{background:#ffffff20;color:#fff}
.notice{background:#17233a;color:#cbd5e3;text-align:center;font-size:12px;padding:7px 18px}.notice strong{color:#fff}.header{position:sticky;top:0;z-index:30;background:#ffffffed;border-bottom:1px solid #e5e8e9;backdrop-filter:blur(15px)}.header-inner{height:70px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;white-space:nowrap;font-size:20px;letter-spacing:-.045em;font-weight:800;line-height:1}.brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;background:var(--orange);color:#fff;font-size:21px;box-shadow:0 5px 12px #ef6b4245}.brand small{display:block;color:#8e9aaa;font-size:10px;letter-spacing:.1em;margin-top:5px}.nav{display:flex;align-items:center;gap:26px;margin-left:auto}.nav a{font-size:14px;font-weight:700;text-decoration:none;color:#536073;white-space:nowrap}.nav a:hover,.nav a[aria-current="page"]{color:var(--orange-dark)}.nav .nav-cta{background:var(--navy);color:white;padding:9px 15px;border-radius:9px}.nav .nav-cta:hover{color:#fff;background:#2b3b53}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:11px 18px;min-height:46px;font-size:14px;font-weight:800;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px)}.btn.orange{background:var(--orange);color:#fff;box-shadow:0 10px 20px #ef6b4235}.btn.orange:hover{background:var(--orange-dark)}.btn.dark{background:var(--navy);color:#fff}.btn.dark:hover{background:#283a54}.btn.light{background:#fff;color:var(--ink);border-color:#dfe4e8}.btn.light:hover{border-color:#abb8c1}.btn.ghost{color:#fff;border-color:#ffffff6c;background:#ffffff13}.btn.ghost:hover{background:#ffffff27}.btn.full{width:100%}.text-link{font-weight:800;color:var(--orange-dark);text-decoration:none}.text-link:hover{text-decoration:underline}
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff}.hero:before{content:"";position:absolute;width:800px;height:800px;right:-210px;top:-400px;background:radial-gradient(circle,#305064 0,transparent 57%);opacity:.65}.hero:after{content:"";position:absolute;right:4%;top:10%;width:440px;height:440px;border:1px solid #ffffff17;border-radius:50%;box-shadow:0 0 0 70px #ffffff06,0 0 0 140px #ffffff04;pointer-events:none}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:50px;align-items:center;padding:63px 0 69px}.hero h1{font-size:clamp(40px,5vw,66px);letter-spacing:-.065em;line-height:1.11;margin:19px 0}.hero h1 em{color:#ff9d73;font-style:normal}.hero-lede{color:#c3cfde;max-width:575px;font-size:17px;margin:0}.hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:27px}.hero-proof{display:flex;align-items:center;gap:9px;color:#9cacc0;font-size:12px;margin-top:22px}.hero-proof:before{content:"✓";display:grid;place-items:center;border-radius:50%;width:18px;height:18px;background:#225346;color:#d4ffec;font-size:11px;font-weight:900}.hero-sheet{background:#fff;color:var(--ink);border-radius:20px;padding:24px;box-shadow:0 26px 70px #0004;transform:rotate(1deg)}.sheet-top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:17px;border-bottom:1px solid var(--line)}.sheet-top b{font-size:17px}.sheet-top span{color:#8290a2;font-size:12px}.sheet-row{display:flex;align-items:center;gap:11px;padding:14px 2px;border-bottom:1px solid #edf0f1}.sheet-row:last-of-type{border-bottom:0}.sheet-letter{width:34px;height:34px;border-radius:9px;background:#e6efe9;color:#327057;display:grid;place-items:center;font-weight:800;flex:none}.sheet-row:nth-of-type(3) .sheet-letter{background:#fff0e8;color:#c3603a}.sheet-row:nth-of-type(4) .sheet-letter{background:#ebeefa;color:#5865a4}.sheet-row b{font-size:14px}.sheet-row span{font-size:12px;color:#8995a6;display:block}.sheet-row strong{margin-left:auto;font-size:20px;white-space:nowrap}.sheet-foot{display:flex;gap:8px;align-items:flex-start;background:#fff7ee;color:#916242;border-radius:10px;padding:11px 13px;font-size:12px;margin-top:8px}.sheet-foot b{color:#754623}
.section{padding:75px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px}.section-head h2,.section-title{font-size:clamp(30px,3vw,41px);letter-spacing:-.05em;line-height:1.24;margin:7px 0 0}.section-head p{color:var(--muted);font-size:14px;max-width:420px;margin:0}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.plan{display:flex;flex-direction:column;background:#fff;border:1px solid #e0e5e7;border-radius:18px;padding:25px;box-shadow:var(--shadow);min-width:0}.plan.featured{border:2px solid var(--orange);padding:24px;box-shadow:0 22px 55px #bd563b20}.plan-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.plan-code{font-size:12px;color:#748099;font-weight:800;letter-spacing:.14em}.plan h3{font-size:25px;letter-spacing:-.04em;line-height:1.2;margin:16px 0 7px}.plan p{color:var(--muted);font-size:14px;margin:0}.plan .price{font-size:46px;line-height:1.1;font-weight:800;letter-spacing:-.055em;margin:25px 0 4px}.plan .price i{font-size:19px;letter-spacing:0;font-style:normal;margin-right:3px}.plan .price small{font-size:14px;font-weight:500;letter-spacing:0;color:#8995a4;margin-left:4px}.plan .price-caption{font-size:12px;color:#9ba5b2}.plan ul{list-style:none;display:grid;gap:11px;padding:20px 0 0;border-top:1px solid #edf0f1;margin:22px 0 22px;flex:1}.plan li{display:flex;gap:9px;align-items:flex-start;color:#4e5c70;font-size:13px}.plan li:before{content:"✓";color:#218967;background:#e6f5ee;border-radius:50%;width:17px;height:17px;flex:none;display:grid;place-items:center;font-size:11px;font-weight:900;margin-top:2px}.plan .fine{font-size:12px;color:#8995a4;text-align:center;margin:9px 0 0}.price-alert{margin-top:17px;display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:11px;padding:14px 16px;color:#69778a;font-size:13px}.price-alert b{color:#39485c}.price-alert .icon{color:#d76d3f;font-weight:900;font-size:18px;line-height:1}
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}.split p{color:var(--muted);margin:15px 0 0}.quick-check{display:grid;gap:10px}.check{display:flex;align-items:flex-start;gap:13px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px 19px}.check .num{display:grid;place-items:center;width:30px;height:30px;flex:none;border-radius:8px;background:var(--orange-soft);color:var(--orange-dark);font-size:12px;font-weight:900}.check b{display:block;font-size:15px}.check span{display:block;font-size:13px;color:#8190a1;margin-top:3px}.guide-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.guide-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.guide-card{display:block;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px;transition:transform .2s,border-color .2s,box-shadow .2s}.guide-card:hover{transform:translateY(-3px);border-color:#f0a185;box-shadow:var(--shadow)}.guide-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:var(--orange-soft);color:var(--orange-dark);font-size:20px;font-weight:800}.guide-card:nth-child(2) .guide-icon{background:#e5f2ec;color:#30785f}.guide-card:nth-child(3) .guide-icon{background:#e9edfb;color:#4d60a0}.guide-card h3{font-size:19px;margin:16px 0 5px}.guide-card p{font-size:13px;color:var(--muted);margin:0}.guide-card .go{font-size:13px;color:var(--orange-dark);font-weight:800;margin-top:20px;display:block}.question-list{display:grid;gap:10px}.question-list details{border:1px solid var(--line);border-radius:12px;background:#fff}.question-list summary{padding:17px 20px;cursor:pointer;list-style:none;font-weight:700;font-size:14px;display:flex;justify-content:space-between;gap:12px}.question-list summary::-webkit-details-marker{display:none}.question-list summary:after{content:'+';font-size:22px;font-weight:400;line-height:1;color:#8591a2}.question-list details[open] summary:after{content:'−'}.question-list details p{padding:0 20px 17px;margin:0;font-size:13px;color:#67758a}.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:48px}.faq-layout .intro p{color:var(--muted);font-size:14px;margin:14px 0 21px}
.contact{background:#26354b;color:#fff}.contact-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:41px 0}.contact h2{font-size:27px;letter-spacing:-.04em;margin:0 0 5px}.contact p{font-size:13px;color:#bdc8d8;margin:0}.contact-actions{display:flex;gap:10px;flex-wrap:wrap}.contact-actions a,.contact-actions button{color:#fff;background:#ffffff12;border:1px solid #ffffff50;border-radius:9px;min-height:43px;padding:9px 14px;text-decoration:none;font-size:13px;font-weight:800;cursor:pointer}.contact-actions a:hover,.contact-actions button:hover{background:#ffffff25}.footer{background:#162136;color:#a6b3c4;font-size:12px}.footer-inner{display:flex;justify-content:space-between;gap:24px;padding:27px 0 32px}.footer strong{display:block;color:#fff;font-size:14px;margin-bottom:3px}.footer p{margin:0;max-width:750px}.footer a{color:#d8e1ef}.mobile-bar{display:none}.toast{position:fixed;left:50%;bottom:22px;z-index:50;transform:translate(-50%,15px);opacity:0;pointer-events:none;background:#17243b;color:white;padding:9px 15px;border-radius:9px;box-shadow:0 8px 24px #0003;font-size:13px;transition:opacity .2s,transform .2s}.toast.show{opacity:1;transform:translate(-50%,0)}
.page-hero{background:var(--navy);color:white;padding:57px 0 60px;position:relative;overflow:hidden}.page-hero:after{content:"";position:absolute;right:-130px;top:-220px;width:450px;height:450px;border-radius:50%;border:75px solid #ffffff0a;pointer-events:none}.page-hero .wrap{position:relative;z-index:1}.breadcrumbs{font-size:12px;color:#9eafc4;margin-bottom:15px}.breadcrumbs a{text-decoration:none;color:#cbd7e5}.breadcrumbs a:hover{text-decoration:underline}.page-hero h1{font-size:clamp(33px,4vw,52px);letter-spacing:-.055em;line-height:1.17;margin:11px 0 12px;max-width:830px}.page-hero p{color:#c0ccdc;max-width:700px;margin:0;font-size:15px}.page-hero .meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.hub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.hub-card{display:block;text-decoration:none;background:white;border:1px solid var(--line);border-radius:16px;padding:27px;transition:border-color .2s,transform .2s}.hub-card:hover{border-color:#e89172;transform:translateY(-3px)}.hub-card .mini{font-size:12px;color:var(--orange-dark);font-weight:800;letter-spacing:.1em}.hub-card h2{font-size:24px;letter-spacing:-.04em;margin:11px 0 6px}.hub-card p{color:var(--muted);font-size:14px;margin:0;min-height:48px}.hub-card span:last-child{display:block;margin-top:18px;color:var(--orange-dark);font-weight:800;font-size:13px}.callout{background:#fff8ee;border:1px solid #f3dcc1;border-radius:12px;padding:17px 19px;color:#815a2b;font-size:13px}.callout b{color:#6a431a}.callout.blue{background:#f1f4ff;border-color:#dae2fa;color:#526584}.callout.blue b{color:#283d66}.callout.green{background:#edf8f1;border-color:#d2eddf;color:#416f58}.callout.green b{color:#2a6545}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:38px;align-items:start}.article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px;min-width:0}.article h2{font-size:26px;letter-spacing:-.04em;line-height:1.3;margin:34px 0 12px;scroll-margin-top:94px}.article h2:first-child{margin-top:0}.article h3{font-size:18px;margin:22px 0 8px;scroll-margin-top:94px}.article p,.article li{color:#536074;font-size:14px;line-height:1.85}.article p{margin:8px 0 14px}.article ul,.article ol{padding-left:22px;margin:9px 0 17px}.article a{color:var(--orange-dark)}.article .callout{margin:17px 0}.article .callout p{margin:4px 0 0;color:inherit}.article table{width:100%;border-collapse:collapse;font-size:13px;margin:15px 0 20px;min-width:560px}.article th,.article td{text-align:left;border:1px solid #e4e9ed;padding:11px 12px;vertical-align:top}.article th{background:#f5f7f7;color:#26364a}.article td{color:#526176}.table-scroll{overflow-x:auto}.article .inline-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.article .sources{font-size:12px;color:#8a96a5;border-top:1px solid var(--line);padding-top:17px;margin-top:30px}.article .sources a{word-break:break-all}.rail{position:sticky;top:94px;display:grid;gap:13px}.rail-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.rail-box strong{display:block;font-size:14px;margin-bottom:10px}.rail-box a{display:block;text-decoration:none;font-size:13px;color:#617087;padding:5px 0}.rail-box a:hover{color:var(--orange-dark)}.rail-box .btn{width:100%;font-size:12px;margin-top:7px;padding:8px 12px;min-height:39px}.related{margin-top:32px}.related h2{font-size:22px;letter-spacing:-.03em}.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}.related-links a{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;text-decoration:none;color:#3e4e61;font-size:13px;font-weight:700}.related-links a:hover{border-color:#e89172;color:var(--orange-dark)}
@media(max-width:950px){.hero-grid{gap:25px;grid-template-columns:1fr .9fr}.hero-sheet{padding:20px}.nav{gap:15px}.article-layout{grid-template-columns:minmax(0,1fr) 210px;gap:20px}.section{padding:62px 0}}
@media(max-width:760px){.wrap{width:min(100% - 32px,640px)}.header-inner{height:63px}.nav a:not(.nav-cta){display:none}.brand{font-size:18px}.hero-grid{display:block;padding:47px 0 54px}.hero h1{font-size:clamp(38px,10vw,53px)}.hero-lede{font-size:15px}.hero-sheet{margin-top:36px;transform:none}.section-head{display:block}.section-head p{margin-top:12px}.cards,.guide-cards,.hub-grid,.split,.faq-layout,.article-layout{grid-template-columns:1fr}.plan{padding:23px}.plan.featured{padding:22px}.plan .price{font-size:43px}.section{padding:56px 0}.page-hero{padding:47px 0 50px}.rail{position:static}.rail-box.toc{display:none}.article{padding:23px}.related-links{grid-template-columns:1fr}.contact-inner,.footer-inner{display:block}.contact-actions{margin-top:20px}.footer-inner>div+div{margin-top:15px}.mobile-bar{position:fixed;bottom:0;left:0;right:0;z-index:28;display:flex;align-items:center;justify-content:space-between;gap:10px;background:#ffffffef;border-top:1px solid var(--line);backdrop-filter:blur(12px);padding:9px max(16px,env(safe-area-inset-left)) calc(9px + env(safe-area-inset-bottom));box-shadow:0 -7px 25px #10223b18}.mobile-bar span{font-size:12px;color:#677486;line-height:1.25}.mobile-bar b{display:block;color:var(--ink);font-size:17px}.mobile-bar .btn{min-height:40px;padding:8px 14px}body{padding-bottom:65px}.toast{bottom:85px}}
@media(max-width:440px){.notice{font-size:11px}.nav .nav-cta{padding:8px 11px}.brand-mark{width:32px;height:32px}.hero h1{font-size:38px}.article{padding:19px}.article h2{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.hub-card,.guide-card,.toast{transition:none}}