:root{--primary:#087e78;--deep:#075c58;--mint:#d5f3ee;--pale:#eef9f6;--bg:#f7fbfa;--surface:#fff;--title:#203238;--body:#34484c;--muted:#586b70;--border:#ddeae6;--coral:#db796c;--footer:#163b3a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font:16px/1.8 system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif}a{color:var(--deep);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{line-height:1.35;color:var(--title);margin:0 0 .7em}h1{font-size:clamp(28px,4vw,42px)}h2{font-size:clamp(22px,2.5vw,27px)}h3{font-size:19px}p{margin:.45em 0 1em}.container{max-width:1280px;margin:auto;padding-left:32px;padding-right:32px}.skip{position:absolute;top:-100px;background:#fff;z-index:99}.skip:focus{top:0}.top{background:#fff;border-bottom:1px solid var(--border)}.top-inner{min-height:76px;display:flex;align-items:center;gap:32px;justify-content:space-between}.brand{font-size:22px;display:flex;gap:10px;align-items:center;white-space:nowrap}.brand-image{width:82px;height:42px;object-fit:contain}.brand .image-fallback{display:none}.head-search{display:flex;width:min(440px,46vw);gap:8px}.head-search input{flex:1;min-width:0}.head-search button,.menu-toggle{border:0;border-radius:10px;padding:9px 16px;background:var(--deep);color:#fff;cursor:pointer}.menu-toggle{display:none}.main-nav{background:var(--deep)}.nav-inner{display:flex;align-items:center;gap:27px;min-height:50px;flex-wrap:wrap}.nav-inner a{color:white;font-weight:600;font-size:14px}.chip-rail{background:var(--pale);border-bottom:1px solid var(--border)}.chip-inner{display:flex;overflow-x:auto;gap:24px;white-space:nowrap;scrollbar-width:thin}.chip-inner a{padding:10px 0;font-size:14px}.section{margin:42px 0}.section-header{display:flex;justify-content:space-between;align-items:center;gap:12px}.hero{margin:28px 0 38px;border-radius:22px;padding:40px;background:linear-gradient(120deg,#e6f5ef,#fbf8f0);display:grid;grid-template-columns:1.25fr .85fr;gap:32px;align-items:center}.hero h1{max-width:690px}.hero p{font-size:17px;max-width:650px}.hero-aside{background:white;border-radius:16px;padding:18px;display:grid;gap:5px}.hero-aside>a{border-bottom:1px solid var(--border);padding:8px 0}.eyebrow{color:var(--deep);font-size:14px;font-weight:700;letter-spacing:.06em}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.btn{display:inline-block;border:0;background:var(--deep);color:white;padding:11px 21px;border-radius:11px;cursor:pointer;font-weight:700;min-height:44px}.btn:hover{background:#064d49;color:white;text-decoration:none}.ghost{background:white;color:var(--deep);border:1px solid 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0 15px}.page-intro{padding:42px 0 26px;max-width:850px}.breadcrumbs{margin:26px 0;color:var(--muted);font-size:14px}.article h1{font-size:clamp(27px,3vw,38px)}.article-body{max-width:810px;margin:26px 0;font-size:17px;line-height:1.86;white-space:normal}.article-body p{margin-bottom:23px}.tags{display:flex;gap:10px;flex-wrap:wrap}.tags span{border-radius:100px;background:var(--pale);padding:3px 12px;font-size:13px}.reply{border-top:1px solid var(--border);padding:16px 0}.reply small{display:block}.notice{padding:13px;border-radius:9px;background:#e6f5f1;color:var(--deep)}.empty{padding:40px;background:white;border:1px solid var(--border);border-radius:12px}.pager{display:flex;justify-content:center;gap:12px;margin:28px}.pager a{padding:5px 14px;background:white;border:1px solid var(--border);border-radius:9px}.pager 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a{color:#e1f3ea;display:block;padding:3px 0}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:30px}.footer-bottom{padding-top:24px;margin-top:24px;border-top:1px solid #42605e;font-size:13px}.mobile-bottom{display:none}.backtop{position:fixed;right:24px;bottom:24px;border:0;background:var(--deep);color:white;border-radius:100px;width:44px;height:44px;cursor:pointer}@media(max-width:1000px){.container{padding-left:24px;padding-right:24px}.board-grid{grid-template-columns:repeat(2,1fr)}.nav-inner{gap:16px}.split{grid-template-columns:minmax(0,1.6fr) minmax(220px,1fr)}}@media(max-width:680px){body{font-size:15px;padding-bottom:58px}.container{padding-left:17px;padding-right:17px}.top-inner{min-height:65px;gap:10px}.brand{font-size:19px}.head-search{flex:1;width:auto}.head-search input{width:100%;padding:8px}.head-search 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/* 新版本内容呈现增强：沿用原青绿配色 */
.hero-highlights{display:flex;gap:11px;flex-wrap:wrap;margin-top:22px}.hero-highlights span{border:1px solid #cce8e2;background:#f3fbf8;border-radius:99px;padding:7px 13px;color:#075c58;font-size:14px}.section-lead{font-size:16px;line-height:1.9;color:#455d60;max-width:860px;margin:10px 0 22px}.read-more{display:inline-block;margin-top:8px;color:#087e78;font-weight:700}.section-header>div h2{margin-top:5px}.article-body p{line-height:1.95;margin-bottom:1.5em}.board-card:hover{transform:translateY(-2px);transition:transform .18s ease}.feature-card p,.tile p{line-height:1.75}