/* 开云体育：轻量编辑刊物 */
:root{--bg:#F6F8F8;--white:#fff;--mist:#EAF0F2;--navy:#122E3B;--panel:#1A4050;--teal:#168E96;--link:#226D9D;--heading:#193946;--text:#374D58;--muted:#647981;--line:#D9E3E6}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:94px}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif;font-size:16px;line-height:1.8}a{color:var(--link);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:3px}h1,h2,h3{color:var(--heading);line-height:1.35;margin:0 0 .65em}h1{font-size:clamp(2.15rem,3vw,2.6rem)}h2{font-size:clamp(1.5rem,2vw,1.75rem)}h3{font-size:1.15rem}p{margin:.45em 0 1.15em}ul,ol{padding-left:1.35em}li{margin:.35em 0}img{max-width:100%}.sr-only{position:absolute!important;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}.skip-link{position:absolute;left:12px;top:-90px;background:#fff;padding:8px;z-index:40}.skip-link:focus{top:8px}
.site-head{background:var(--navy);position:relative;z-index:10}.head-inner{max-width:1220px;margin:auto;min-height:76px;padding:0 28px;display:flex;align-items:center;gap:20px}.brand{color:#fff;text-decoration:none;display:flex;align-items:center;gap:9px;flex-shrink:0}.brand img{max-height:38px;width:auto;height:auto;object-fit:contain}.brand-fallback{font-weight:800;white-space:nowrap}.brand-english{font-size:10px;letter-spacing:1.3px;white-space:nowrap}.desktop-nav{display:flex;gap:clamp(7px,1vw,16px);align-items:center;justify-content:center;margin-left:auto;min-width:0}.desktop-nav a{color:#e7f3f5;font-size:clamp(11px,.98vw,14px);text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent;padding:24px 0 21px}.desktop-nav a[aria-current=page]{border-color:#66d0d4;font-weight:700}.register-link{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:6px 14px;border:1px solid #83cbd1;border-radius:8px;color:#fff;text-decoration:none;font-size:13px}.register-link:hover{background:#285564}.menu-toggle,.mobile-menu{display:none}.breadcrumb{max-width:1220px;padding:14px 28px;margin:auto;color:var(--muted);display:flex;gap:12px;font-size:13px}.site-main{max-width:1220px;margin:0 auto;padding:14px 28px 80px;min-height:65vh}.site-main>section{margin-bottom:60px}.lede{font-size:1.08rem;max-width:780px;color:#435e69}.eyebrow{font-size:.75rem;letter-spacing:.13em;font-weight:700;color:var(--teal);text-transform:uppercase}.page-opening{max-width:850px;margin-bottom:34px}.page-opening p{max-width:760px}.cover{display:grid;grid-template-columns:minmax(0,1.38fr) minmax(0,1fr);gap:35px;align-items:center;padding:25px 0 12px}.cover .intro-links{display:flex;flex-wrap:wrap;gap:13px;margin-top:25px}.text-link{display:inline-block;text-decoration:none;border-bottom:2px solid var(--teal);padding-bottom:5px;font-weight:700}.image-holder{display:flex;align-items:center;justify-content:center;width:100%;min-width:0;margin:0;padding:8px;background:var(--mist);border-radius:12px}.image-holder img{display:block;width:auto;height:auto;max-width:100%;max-height:var(--image-limit,210px);object-fit:contain;object-position:center}.image-holder--hero{--image-limit:290px}.image-holder--feature{--image-limit:240px}.image-holder--inline{--image-limit:180px}.image-holder--rules{--image-limit:210px}.image-holder--banner{--image-limit:190px}.image-holder--portrait{--image-limit:330px;max-width:310px;margin-inline:auto}.image-note{border-left:3px solid var(--line);background:var(--mist);padding:9px 13px;color:var(--muted);font-size:13px;margin:0}.section-label{border-bottom:1px solid var(--line);padding:0 0 12px;margin-bottom:23px}.route-group{display:grid;grid-template-columns:90px repeat(2,minmax(0,1fr));border-top:1px solid var(--line);gap:20px;padding:22px 0}.route-group:last-child{border-bottom:1px solid var(--line)}.route-number{font-weight:800;color:var(--teal);font-size:20px}.route-group article h3{margin-bottom:6px}.route-group article p{margin-bottom:7px}.split{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:36px}.split-even{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-text{border-top:3px solid var(--teal);padding-top:20px}.soft-section{background:var(--mist);border-radius:12px;padding:28px}.deep-section{background:var(--panel);color:#edf6f8;border-radius:12px;padding:30px}.deep-section h2,.deep-section h3{color:#fff}.number-list{counter-reset:step;list-style:none;padding:0;display:grid;gap:16px}.number-list li{counter-increment:step;padding:12px 0 12px 50px;border-bottom:1px solid var(--line);position:relative}.number-list li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:11px;color:var(--teal);font-weight:800}.mini-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.mini-columns>article{border-top:2px solid var(--line);padding-top:14px}.chapter-links{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 36px}.chapter-links a{padding:7px 12px;background:var(--mist);border-radius:7px;text-decoration:none;font-size:14px}.reading-grid{display:grid;grid-template-columns:215px minmax(0,1fr);gap:42px}.reading-grid aside{align-self:start;position:sticky;top:18px;padding:15px;border-left:3px solid var(--teal)}.reading-grid aside a{display:block;padding:5px 0}.article{max-width:780px}.article>section{margin-bottom:45px}.wide-content{margin:40px 0}.table-scroll{overflow-x:auto;max-width:100%;border:1px solid var(--line);border-radius:10px;background:#fff}.table-scroll table{width:100%;border-collapse:collapse;min-width:610px;line-height:1.65}.table-scroll caption{text-align:left;font-weight:700;padding:12px 14px;color:var(--heading)}th,td{padding:13px 15px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}th{background:var(--mist);color:var(--heading)}tr:last-child td{border-bottom:0}.note{border-left:4px solid var(--teal);padding:13px 18px;background:var(--mist);margin:25px 0}.figure-caption{font-size:13px;color:var(--muted);margin-top:8px}.process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.process>div{padding:16px;border-top:3px solid var(--teal);background:#fff}.process strong{display:block;color:var(--heading)}.gallery-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:32px;align-items:center;margin:30px 0}.gallery-row.reverse{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}.related{border-top:1px solid var(--line);padding-top:20px;margin-top:48px}.related>div{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:12px}.faq-stack{border-top:1px solid var(--line)}.faq-stack details{border-bottom:1px solid var(--line);padding:9px 0}.faq-stack summary{cursor:pointer;color:var(--heading);font-weight:700;padding:10px 3px}.faq-stack p{max-width:780px;padding:4px 12px 10px;margin:0}.guide-two{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.85fr);gap:35px}.index-table a{text-decoration:none}.site-footer{background:#0C2632;color:#d7e6ea}.footer-inner{max-width:1220px;margin:auto;padding:45px 28px 25px;display:grid;grid-template-columns:1.2fr 1fr;gap:32px}.footer-intro strong{display:block;font-size:20px}.footer-intro span{font-size:11px;letter-spacing:.12em}.footer-intro p{max-width:500px}.footer-intro img{height:auto;max-height:30px;width:auto;object-fit:contain}.footer-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 20px;align-content:start}.footer-nav a{color:#dbf3f6}.footer-disclaimer{grid-column:1/-1;font-size:13px;color:#b7cdd3;border-top:1px solid #33505b;padding-top:16px}
@media(max-width:1180px){.head-inner{gap:12px}.brand-english{font-size:9px}.register-link{padding-inline:10px}.desktop-nav{gap:8px}}@media(max-width:980px){.head-inner{min-height:64px;justify-content:space-between;padding-inline:22px}.desktop-nav{display:none}.menu-toggle{display:inline-flex;min-width:40px;min-height:40px;align-items:center;justify-content:center;background:transparent;border:1px solid #7babb7;border-radius:7px;color:white;font-size:24px;cursor:pointer}.brand{position:absolute;left:50%;transform:translateX(-50%)}.brand img{max-height:30px}.brand-english{font-size:9px}.register-link{margin-left:auto}.mobile-menu{display:none;position:absolute;left:0;right:0;top:100%;background:#f6f8f8;border-bottom:1px solid var(--line);box-shadow:0 8px 18px #0002;padding:20px 22px}.mobile-menu.is-open{display:block}.mobile-menu nav{max-width:1220px;margin:auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.mobile-menu nav strong{display:block;color:var(--heading);margin-bottom:8px}.mobile-menu nav a{display:block;padding:5px 0}.mobile-menu nav a[aria-current=page]{font-weight:800;text-decoration:underline}.menu-close{margin-top:8px;border:1px solid var(--line);background:#fff;border-radius:6px;padding:7px 10px;color:var(--heading)}.site-main{padding-inline:22px}.breadcrumb{padding-inline:22px}}
@media(max-width:760px){.cover,.split,.split-even,.reading-grid,.guide-two,.gallery-row,.gallery-row.reverse{grid-template-columns:1fr}.reading-grid aside{position:static}.route-group{grid-template-columns:70px minmax(0,1fr);gap:12px}.route-group article:last-child{grid-column:2}.mini-columns{grid-template-columns:1fr 1fr}.process{grid-template-columns:repeat(2,minmax(0,1fr))}.site-main>section{margin-bottom:38px}.site-main{padding-bottom:55px}.footer-inner{grid-template-columns:1fr}}
@media(max-width:640px){body{font-size:15px;line-height:1.78}.site-main{padding-inline:16px}h1{font-size:clamp(26px,7vw,30px)}h2{font-size:clamp(20px,5.6vw,23px)}.head-inner{padding-inline:16px;gap:7px}.brand-english{display:none}.register-link{font-size:12px;padding:6px 8px}.breadcrumb{padding-inline:16px}.soft-section,.deep-section{padding:19px}.mini-columns,.mobile-menu nav{grid-template-columns:1fr}.mobile-menu nav{gap:12px}.route-group{grid-template-columns:42px 1fr}.route-number{font-size:16px}.image-holder--hero{--image-limit:195px}.image-holder--feature{--image-limit:180px}.image-holder--inline{--image-limit:140px}.image-holder--rules{--image-limit:165px}.image-holder--banner{--image-limit:125px}.image-holder--portrait{--image-limit:275px;max-width:240px}.cover{gap:16px}.footer-inner{padding-inline:16px}.process{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}