:root{--accent:#d92f62;--accent2:#11a7a0;--signal:#f0b429;--surface:#fffdf8;--ink:#171820;--muted:#646874;--line:rgba(20,24,32,.14);--white:#fff;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--surface);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,Helvetica,sans-serif;letter-spacing:0}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.site-header{height:72px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 92%,white);position:sticky;top:0;z-index:20}.header-inner{height:100%;max-width:var(--max);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.brand img{width:42px;height:42px}.site-nav{display:flex;align-items:center;gap:24px;margin-left:auto}.site-nav a{padding:24px 0 20px;border-bottom:3px solid transparent;color:var(--muted)}.site-nav a:hover,.site-nav a.active{color:var(--ink);border-color:var(--accent)}.header-download,.primary-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;background:var(--accent);color:white;font-weight:800;border:1px solid var(--accent);border-radius:4px}.menu-toggle{display:none;border:0;background:none;font-size:25px;color:var(--ink)}.hero{border-bottom:1px solid var(--line);overflow:hidden}.hero-inner{max-width:var(--max);margin:0 auto;padding:42px 24px 28px;display:grid;grid-template-columns:minmax(0,1fr) minmax(470px,.92fr);gap:54px;align-items:center;min-height:560px}.hero-copy{min-width:0}.eyebrow,.micro{font-size:12px;font-weight:800;letter-spacing:0;color:var(--accent2);text-transform:uppercase}.hero h1{font-size:clamp(44px,4.3vw,62px);line-height:1.04;margin:18px 0 20px;max-width:690px;letter-spacing:0}.hero-copy>p{font-size:18px;line-height:1.85;color:var(--muted);margin:0;max-width:650px}.hero-actions{display:flex;align-items:center;gap:22px;margin-top:28px}.secondary-link,.text-link{font-weight:800;color:var(--ink)}.secondary-link:hover,.text-link:hover{color:var(--accent)}.hero-facts{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.hero-facts span{padding:7px 10px;border:1px solid var(--line);font-size:12px;font-weight:700}.hero-media{height:452px;position:relative;min-width:0}.lane{position:absolute;border:1px solid var(--line);background:white;padding:9px;box-shadow:10px 10px 0 color-mix(in srgb,var(--accent) 13%,transparent)}.lane>span{position:absolute;top:10px;left:10px;z-index:2;background:var(--ink);color:white;padding:4px 7px;font-size:11px;font-weight:800}.lane img{width:100%;height:100%;object-fit:cover;object-position:top}.lane-a{width:190px;height:422px;left:0;top:8px;z-index:2}.lane-b{width:172px;height:382px;left:156px;top:44px;z-index:3}.lane-c{width:154px;height:340px;right:0;top:6px;z-index:1}.hero-ticker{border-top:1px solid var(--line);max-width:var(--max);margin:0 auto;padding:14px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:0}.hero-ticker span{text-align:center;font-size:12px;font-weight:800;border-right:1px solid var(--line)}.hero-ticker span:last-child{border-right:0}.section{padding:76px 0;border-bottom:1px solid var(--line)}.section-inner{max-width:var(--max);margin:0 auto;padding:0 24px}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:34px}.section h2,.download-band h2{font-size:34px;line-height:1.15;margin:0;letter-spacing:0}.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line)}.feature-item{padding:28px 24px;min-width:0;border-right:1px solid var(--line)}.feature-item:last-child{border-right:0}.feature-index{font:800 12px/1 Arial;color:var(--accent)}.feature-item h3{margin:28px 0 12px;font-size:20px}.feature-item p,.process-step p,.guide-band .section-note{margin:0;color:var(--muted);line-height:1.75}.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}.gallery figure{margin:0;border-top:5px solid var(--accent);background:white;padding:18px}.gallery figure:nth-child(2){margin-top:54px;border-color:var(--accent2)}.gallery figure:nth-child(3){border-color:var(--signal)}.gallery figure img{width:100%;max-width:315px;aspect-ratio:315/700;object-fit:cover;object-position:top;margin:0 auto}.gallery figcaption{padding-top:14px;font-weight:800;font-size:14px}.process-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.process-step{padding:28px;border-right:1px solid var(--line)}.process-step:last-child{border-right:0}.process-step>span{display:inline-flex;min-width:38px;height:28px;align-items:center;justify-content:center;background:var(--accent2);color:white;font-weight:800;font-size:12px}.process-step h3{font-size:22px;margin:25px 0 10px}.guide-band{display:flex;align-items:center;justify-content:space-between;gap:36px}.guide-band h2{margin:8px 0 12px}.text-link{white-space:nowrap;border-bottom:2px solid var(--accent);padding-bottom:6px}.faq-preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.faq-preview-grid a{display:flex;flex-direction:column;gap:8px;padding:22px;border:1px solid var(--line);background:white}.faq-preview-grid a span{font-size:14px;color:var(--muted)}.download-band{padding:52px 0;background:var(--ink);color:white}.download-band .section-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}.download-band .micro{color:var(--signal);margin-bottom:8px}.page-hero{padding:70px 0 54px;border-bottom:1px solid var(--line)}.page-hero h1{font-size:48px;margin:14px 0 18px;letter-spacing:0}.page-hero p{max-width:760px;margin:0;color:var(--muted);font-size:18px;line-height:1.8}.article-layout{max-width:1040px;margin:0 auto;padding:70px 24px 90px;display:grid;grid-template-columns:90px minmax(0,1fr);gap:36px}.article-rail{display:flex;flex-direction:column;align-items:center;justify-content:space-between;border-left:2px solid var(--accent);font-weight:800;color:var(--accent);padding:8px 0 8px 18px}.article-step{display:grid;grid-template-columns:56px minmax(0,1fr);gap:22px;padding:0 0 38px;margin-bottom:38px;border-bottom:1px solid var(--line)}.step-no{font:800 15px/1 Arial;color:var(--accent2);padding-top:7px}.article-step h2{font-size:26px;margin:0 0 14px}.article-step p{margin:0;color:var(--muted);line-height:1.9}.article-next{display:flex;justify-content:space-between;gap:20px;padding:24px 0;margin-bottom:26px;border-bottom:1px solid var(--line)}.article-next a{font-weight:800;color:var(--accent)}.faq-list{padding:62px 0 90px}.faq-tools{display:flex;justify-content:space-between;gap:20px;margin-bottom:24px;font-weight:800}.faq-tools a{color:var(--accent)}.faq-item{border-top:1px solid var(--line)}.faq-item:last-of-type{border-bottom:1px solid var(--line)}.faq-item summary{list-style:none;cursor:pointer;padding:22px 0;display:grid;grid-template-columns:54px minmax(0,1fr) 30px;gap:14px;align-items:center;font-size:18px;font-weight:800}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary span{color:var(--accent2);font:800 12px/1 Arial}.faq-item summary b{font-size:24px;text-align:center}.faq-item[open] summary b{transform:rotate(45deg)}.faq-item>div{padding:0 44px 24px 68px;color:var(--muted);line-height:1.9}.faq-download{margin-top:42px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-footer{border-top:1px solid var(--line);padding:34px 0;background:color-mix(in srgb,var(--surface) 88%,white)}.footer-inner{max-width:var(--max);margin:0 auto;padding:0 24px;text-align:center}.footer-brand{font-size:20px;font-weight:800}.footer-inner p{max-width:720px;margin:12px auto;color:var(--muted);line-height:1.7}.copyright{font-size:12px;color:var(--muted)}.variant-search .hero-media{background:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:38px 38px}.variant-search .lane-a{left:34px;top:16px;width:184px}.variant-search .lane-b{left:auto;right:20px;top:58px;width:184px}.variant-search .lane-c{left:198px;right:auto;top:144px;width:142px;height:282px}.variant-timetable .hero-media:before{content:"01  /  02  /  03";position:absolute;left:0;right:0;top:50%;border-top:3px solid var(--accent);padding-top:8px;font:800 12px/1 Arial;color:var(--accent)}.variant-timetable .lane{box-shadow:none}.variant-timetable .lane-a{width:166px;height:365px;top:48px}.variant-timetable .lane-b{width:166px;height:365px;left:170px;top:8px}.variant-timetable .lane-c{width:166px;height:365px;top:48px}.variant-pinboard .hero-media{transform:rotate(-1deg)}.variant-pinboard .lane{box-shadow:7px 9px 0 color-mix(in srgb,var(--signal) 18%,transparent)}.variant-pinboard .lane-a{width:190px;height:420px;left:22px;transform:rotate(-3deg)}.variant-pinboard .lane-b{width:165px;height:360px;left:190px;top:72px;transform:rotate(3deg)}.variant-pinboard .lane-c{width:140px;height:300px;top:18px;transform:rotate(6deg)}@media(max-width:900px){.site-header{height:64px}.header-inner{padding:0 18px;gap:12px}.brand img{width:38px;height:38px}.site-nav{position:absolute;left:0;right:0;top:64px;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 18px}.site-nav.open{display:flex}.site-nav a{padding:14px 0;border-bottom:1px solid var(--line)}.menu-toggle{display:block;margin-left:auto}.header-download{display:none}.hero-inner{padding:34px 18px 18px;grid-template-columns:1fr;gap:18px;min-height:0}.hero h1{font-size:42px;margin:12px 0 14px}.hero-copy>p{font-size:16px;line-height:1.7}.hero-actions{margin-top:20px}.hero-facts{margin-top:16px}.hero-media{height:255px;max-width:500px;width:100%;margin:0 auto}.lane{padding:5px}.lane>span{top:6px;left:6px}.lane-a,.variant-search .lane-a,.variant-timetable .lane-a,.variant-pinboard .lane-a{width:128px;height:244px;left:2%;top:5px}.lane-b,.variant-search .lane-b,.variant-timetable .lane-b,.variant-pinboard .lane-b{width:116px;height:220px;left:35%;right:auto;top:25px}.lane-c,.variant-search .lane-c,.variant-timetable .lane-c,.variant-pinboard .lane-c{width:106px;height:200px;left:auto;right:2%;top:5px}.hero-ticker{padding:10px 18px;grid-template-columns:repeat(2,1fr);row-gap:9px}.hero-ticker span:nth-child(2){border-right:0}.section{padding:50px 0}.section-inner{padding:0 18px}.section h2,.download-band h2{font-size:28px}.section-heading{margin-bottom:24px}.feature-grid{grid-template-columns:1fr 1fr}.feature-item{border-bottom:1px solid var(--line)}.feature-item:nth-child(2){border-right:0}.feature-item:nth-child(n+3){border-bottom:0}.gallery-grid{gap:12px}.gallery figure{padding:8px}.gallery figure:nth-child(2){margin-top:28px}.process-grid{grid-template-columns:1fr}.process-step{border-right:0;border-bottom:1px solid var(--line)}.process-step:last-child{border-bottom:0}.faq-preview-grid{grid-template-columns:1fr}.guide-band,.download-band .section-inner,.faq-download{align-items:flex-start;flex-direction:column}.page-hero{padding:44px 0 36px}.page-hero .section-inner{padding:0 18px}.page-hero h1{font-size:32px}.article-layout{padding:48px 18px 64px;grid-template-columns:1fr}.article-rail{display:none}.article-step{grid-template-columns:42px minmax(0,1fr);gap:12px}.article-step h2{font-size:23px}.faq-list{padding:44px 0 64px}.faq-item summary{grid-template-columns:40px minmax(0,1fr) 26px;font-size:16px}.faq-item>div{padding:0 28px 22px 54px}.site-footer{padding:28px 0}.footer-inner{padding:0 18px}}@media(max-width:430px){.hero h1{font-size:36px;white-space:normal}.hero-actions{align-items:flex-start;flex-direction:column;gap:14px}.gallery-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.gallery figure{padding:4px}.gallery figcaption{font-size:11px}.feature-grid{grid-template-columns:1fr}.feature-item{border-right:0;border-bottom:1px solid var(--line)!important}.feature-item:last-child{border-bottom:0!important}.faq-tools{align-items:flex-start;flex-direction:column}.article-next{flex-direction:column}}