/* Article Premium V10 — pure HTML/CSS, no decorative images */
.article-premium-page{background:#fff;color:#173456}
.article-premium-hero{position:relative;overflow:hidden;background:radial-gradient(circle at 82% 22%,#e3f2ff 0,transparent 30%),linear-gradient(120deg,#f9fcff,#eef7ff 64%,#f7fbff);padding:48px 0 43px}
.article-hero-grid{position:absolute;right:-8%;top:-30%;width:45%;height:100%;background:repeating-linear-gradient(150deg,rgba(78,153,232,.08) 0 1px,transparent 1px 19px);transform:rotate(-8deg)}
.article-hero-wave{position:absolute;left:35%;right:-15%;bottom:-88px;height:145px;border-radius:50%;background:rgba(132,192,248,.14);transform:rotate(-5deg)}
.article-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .65fr;gap:45px;align-items:center}
.article-breadcrumb{display:flex;gap:8px;align-items:center;color:#7790aa;font-size:12px}.article-breadcrumb a{color:#6f8aa5}.article-breadcrumb span{color:#1677e7}.article-breadcrumb i{font-style:normal;color:#9eb0c1}
.article-hero-copy h1{margin:28px 0 17px;max-width:780px;color:#082653;font-size:44px;line-height:1.28;letter-spacing:-1.5px}
.article-hero-copy>p{max-width:790px;margin:0;color:#657f99;font-size:14px;line-height:1.9}
.article-meta-row{display:flex;flex-wrap:wrap;gap:24px;margin-top:27px;color:#7188a0;font-size:11px}.article-meta-row span{display:flex;align-items:center;gap:7px}.article-meta-row b{width:19px;height:19px;border-radius:5px;display:grid;place-items:center;border:1px solid #9fc5ed;color:#4b8fd8;font-size:9px}
.article-hero-art{position:relative;height:290px}
.ah-window{position:absolute;border:2px solid rgba(92,156,229,.44);border-radius:13px;background:linear-gradient(145deg,rgba(255,255,255,.66),rgba(174,216,255,.42));box-shadow:0 17px 30px rgba(54,113,177,.10);backdrop-filter:blur(3px)}
.ah-window.back{width:185px;height:155px;right:28px;top:22px;transform:rotate(-5deg);opacity:.65}.ah-window.mid{width:175px;height:145px;right:65px;top:75px}.ah-window.front{width:145px;height:130px;right:23px;top:96px;background:rgba(244,250,255,.82)}
.ah-window.mid i{display:block;height:11px;margin:18px 18px 0;border-radius:5px;background:#7dbaf5}.ah-window.mid i:nth-child(2){width:70%}.ah-window.mid i:nth-child(3){width:45%}
.ah-top{height:25px;padding:8px}.ah-top i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#91c5f5;margin-right:3px}.ah-cart{position:absolute;right:32px;top:42px;width:52px;height:46px;border:3px solid #69a9ed;border-top:0;border-radius:5px;color:#69a9ed;font-size:28px;text-align:center;line-height:34px}.ah-bars{position:absolute;left:16px;bottom:18px;display:flex;gap:6px;align-items:end}.ah-bars i{display:block;width:10px;border-radius:3px;background:#3a92ee}.ah-bars i:nth-child(1){height:20px}.ah-bars i:nth-child(2){height:36px}.ah-bars i:nth-child(3){height:50px}
.ah-note{position:absolute;left:16px;top:4px;padding:12px 16px;border:1px solid #9bc7f0;border-radius:9px;background:rgba(255,255,255,.62);color:#366b9e;font-size:18px;line-height:1.3;transform:rotate(-4deg)}
.ah-arrow{position:absolute;right:3px;bottom:35px;width:190px;height:80px;border-top:3px solid #3e91ea;transform:rotate(-24deg);border-radius:50%}.ah-arrow:after{content:"";position:absolute;right:-2px;top:-7px;width:12px;height:12px;border-top:3px solid #3e91ea;border-right:3px solid #3e91ea;transform:rotate(45deg)}
.ah-slogan{position:absolute;right:0;bottom:8px;color:#3777bd;font-family:"KaiTi","STKaiti",serif;font-size:16px;line-height:1.4;transform:rotate(-5deg)}.ah-bubble{position:absolute;border-radius:50%;background:linear-gradient(145deg,#80c3ff,#eaf6ff);opacity:.6}.ah-bubble.b1{width:27px;height:27px;right:8px;top:7px}.ah-bubble.b2{width:17px;height:17px;right:45px;top:2px}.ah-bubble.b3{width:11px;height:11px;right:72px;top:18px}
.article-premium-main{padding:43px 0 75px;background:#fff}.article-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:28px;align-items:start}
.article-side{position:sticky;top:94px}.article-side-card{border:1px solid #e2ebf4;border-radius:13px;background:#fbfdff;overflow:hidden;margin-bottom:15px}.article-side-card h3{margin:0;padding:18px 17px 13px;color:#18385f;font-size:15px}
.toc-card nav a{display:grid;grid-template-columns:25px 1fr;gap:7px;padding:11px 16px;border-left:3px solid transparent;color:#6d8399;font-size:11px;line-height:1.55}.toc-card nav a:hover,.toc-card nav a.active{color:#1479ec;background:#f0f7ff;border-left-color:#1479ec}.toc-card nav a.sub{padding-left:25px}.toc-card nav a span{color:#9aadc0}
.side-contact{padding:19px}.side-contact small{color:#1479ec;font-size:8px;letter-spacing:1.2px}.side-contact h3{padding:0;margin:7px 0;font-size:17px}.side-contact p{color:#71869b;font-size:11px;line-height:1.7}.side-contact a{display:inline-flex;margin-top:6px;padding:8px 14px;border:1px solid #86baf1;border-radius:18px;color:#1479ec;font-size:11px;font-weight:700}
.article-reading{min-width:0}.premium-direct-answer{display:grid;grid-template-columns:1fr 190px;gap:20px;align-items:center;padding:20px 22px;border:1px solid #cfe2f8;border-radius:13px;background:linear-gradient(120deg,#f5faff,#edf6ff);margin-bottom:28px}.answer-main span{display:flex;align-items:center;gap:8px;color:#1479ec;font-size:13px;font-weight:800}.answer-main span i{width:26px;height:26px;display:grid;place-items:center;border-radius:7px;background:linear-gradient(135deg,#8878ff,#4d9cff);color:#fff;font-size:9px;font-style:normal}.answer-main p{margin:13px 0 0;color:#526f8d;font-size:13px;line-height:1.9}.answer-idea{text-align:center;color:#6a8cb0}.answer-idea strong{display:block;margin-top:7px;font-size:11px;line-height:1.55;font-weight:600}.bulb{position:relative;width:64px;height:64px;margin:auto;border-radius:50%;background:radial-gradient(circle,#2198ff,#1c73ec);box-shadow:0 0 0 14px rgba(62,151,242,.07)}.bulb:after{content:"";position:absolute;left:25px;bottom:-15px;width:14px;height:18px;border-radius:0 0 8px 8px;background:#2b75d0}.bulb i{position:absolute;left:21px;top:18px;width:21px;height:24px;border:2px solid #fff;border-bottom:0;border-radius:50%}.bulb b{position:absolute;left:28px;top:27px;width:9px;height:2px;background:#fff;transform:rotate(-55deg)}
.article-prose{color:#47647f;font-size:15px;line-height:2}.article-prose p{margin:0 0 18px}.article-prose h2{scroll-margin-top:95px;position:relative;margin:38px 0 17px;padding-top:24px;border-top:1px solid #d9e7f4;color:#0a2a54;font-size:25px;line-height:1.45}.article-prose h2:before{content:counter(articleh2,decimal-leading-zero);counter-increment:articleh2;display:inline-grid;place-items:center;width:38px;height:38px;margin-right:12px;border-radius:50%;background:linear-gradient(135deg,#2c94ff,#116be9);color:#fff;font-size:13px;vertical-align:middle}.article-prose{counter-reset:articleh2}.article-prose h3{scroll-margin-top:95px;margin:25px 0 12px;color:#17395f;font-size:19px}.article-prose ul,.article-prose ol{padding-left:23px}.article-prose blockquote{margin:22px 0;padding:16px 19px;border-left:3px solid #2b85ed;background:#f4f9ff;color:#4e7092;border-radius:0 9px 9px 0}.article-prose table{width:100%;border-collapse:collapse;margin:20px 0}.article-prose td,.article-prose th{padding:10px;border:1px solid #dfe9f2}.article-prose img{max-width:100%;height:auto;border-radius:11px}
.article-prose>div,.article-prose .card{border-radius:12px}
.article-end-quote{display:grid;grid-template-columns:32px 1fr auto;align-items:center;gap:8px;margin-top:28px;padding:17px 20px;border-radius:10px;background:linear-gradient(90deg,#edf6ff,#f8fbff);color:#1c73d2}.article-end-quote>span{font-size:34px;color:#9bc7f4}.article-end-quote b{font-size:12px}.article-end-quote small{color:#879aae}
.article-related-premium{margin-top:35px;padding-top:28px;border-top:1px solid #e0e9f2}.arp-head{display:flex;justify-content:space-between;align-items:end}.arp-head small{color:#1479ec;font-size:8px;letter-spacing:1.3px}.arp-head h3{margin:5px 0 0;font-size:22px;color:#0a2a55}.arp-head>a{font-size:11px;color:#1479ec}.arp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.arp-grid>a{min-height:105px;padding:15px;border:1px solid #e2ebf4;border-radius:11px;background:#fbfdff;display:grid;grid-template-columns:28px 1fr 18px;gap:8px;align-items:start}.arp-grid span{color:#1479ec;font-size:10px}.arp-grid b{color:#244563;font-size:12px;line-height:1.6}.arp-grid i{font-style:normal;color:#1479ec}
@media(max-width:980px){.article-hero-inner{grid-template-columns:1fr}.article-hero-art{display:none}.article-layout{grid-template-columns:1fr}.article-side{position:static}.toc-card nav{display:grid;grid-template-columns:1fr 1fr}.premium-direct-answer{grid-template-columns:1fr}.answer-idea{display:none}.arp-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.article-premium-hero{padding:32px 0}.article-hero-copy h1{font-size:31px}.article-hero-copy>p{font-size:13px}.article-meta-row{gap:12px}.article-premium-main{padding:28px 0 55px}.toc-card nav{grid-template-columns:1fr}.article-prose{font-size:14px}.article-prose h2{font-size:21px}.arp-grid{grid-template-columns:1fr}.article-end-quote{grid-template-columns:24px 1fr}.article-end-quote small{display:none}}