*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:Georgia,'Times New Roman','Noto Serif',serif;background:#ffffff;color:#1a1a1a;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
/* ===== Header / 报头 ===== */
header{background:#ffffff;border-bottom:3px solid #c8102e;position:sticky;top:0;z-index:30;box-shadow:0 1px 0 #e5e7eb}
.iu586-hw{display:flex;justify-content:space-between;align-items:center;max-width:1180px;margin:0 auto;padding:14px 20px}
.iu586-hw>a{display:flex;align-items:center;gap:10px}
.iu586-hw>a img{height:30px;width:auto}
.iu586-hw>a span{font-family:Georgia,serif;font-size:22px;font-weight:800;letter-spacing:-.5px;color:#111}
nav#nav{display:flex;gap:2px;flex-wrap:wrap}
nav#nav a{font-family:system-ui,'Segoe UI',sans-serif;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;color:#374151;padding:7px 11px;border-radius:4px}
nav#nav a:hover{background:#fdeaec;color:#c8102e}
#mbt{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:4px}
#mbt span{display:block;width:24px;height:2px;background:#c8102e;border-radius:2px;transition:.2s}
#mbt.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
#mbt.active span:nth-child(2){opacity:0}
#mbt.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
/* ===== 通用 section / 标题（语义化） ===== */
.iu586-mag{max-width:1180px;margin:0 auto;padding:0 20px}
section[data-s]{margin:34px 0}
.iu586-sec{margin:40px 0}
.iu586-st{font-family:Georgia,serif;font-size:26px;font-weight:800;color:#111;padding-bottom:10px;margin-bottom:22px;border-bottom:2px solid #111;position:relative}
.iu586-st::after{content:"";position:absolute;left:0;bottom:-2px;width:80px;height:2px;background:#c8102e}
/* ===== 面包屑 ===== */
.iu586-crumb{font-family:system-ui,sans-serif;font-size:13px;color:#6b7280;padding:14px 0 0;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.iu586-crumb a{color:#c8102e;font-weight:600}
.iu586-crumb a:hover{text-decoration:underline}
.iu586-crumb span{color:#9ca3af}
/* ===== 分类标签栏 ===== */
.iu586-cats{display:flex;gap:8px;flex-wrap:wrap;padding:14px 0;border-bottom:1px solid #e5e7eb;margin-bottom:8px;overflow-x:auto}
.iu586-cat{font-family:system-ui,sans-serif;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:#111;background:#f3f4f6;padding:6px 13px;border-radius:3px;white-space:nowrap;transition:.2s}
.iu586-cat:hover{background:#c8102e;color:#fff}
/* ===== 头条 HERO 两栏（头条大卡 + 侧边榜） ===== */
.iu586-lead{display:grid;grid-template-columns:1fr 320px;gap:28px;align-items:start;margin:24px 0 40px}
.iu586-lead-main{border:1px solid #e5e7eb;border-radius:6px;overflow:hidden;background:#fff;box-shadow:0 6px 26px rgba(0,0,0,.07)}
.iu586-lead-img{position:relative;background:#111}
.iu586-lead-img img{width:100%;height:auto;display:block;object-fit:cover;aspect-ratio:16/9}
.iu586-headline-badge{position:absolute;top:14px;left:14px;background:#c8102e;color:#fff;font-family:system-ui,sans-serif;font-size:12px;font-weight:800;letter-spacing:1.5px;padding:5px 12px;border-radius:2px}
.iu586-lead-body{padding:22px 26px 28px}
.iu586-kicker{display:inline-block;font-family:system-ui,sans-serif;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:#c8102e;margin-bottom:10px}
.iu586-lead-h1{font-family:Georgia,serif;font-size:34px;line-height:1.2;font-weight:800;color:#0f0f0f;margin-bottom:14px;letter-spacing:-.5px}
.iu586-lead-sub{font-size:17px;color:#374151;margin-bottom:20px}
.iu586-lead-cta{display:inline-block;font-family:system-ui,sans-serif;font-size:15px;font-weight:700;color:#fff;background:#c8102e;padding:12px 26px;border-radius:4px;transition:.2s}
.iu586-lead-cta:hover{background:#a00d24;transform:translateY(-1px)}
/* 侧边榜 */
.iu586-side-box{border:1px solid #e5e7eb;border-radius:6px;background:#fafafa;padding:18px}
.iu586-side-h{font-family:system-ui,sans-serif;font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:#111;padding-bottom:10px;border-bottom:2px solid #c8102e;margin-bottom:6px}
.iu586-toplist{list-style:none}
.iu586-toplist li{border-bottom:1px solid #e5e7eb}
.iu586-toplist li:last-child{border-bottom:0}
.iu586-toplist a{display:flex;gap:12px;align-items:flex-start;padding:13px 0}
.iu586-toplist a:hover .iu586-tl-t{color:#c8102e}
.iu586-rank{flex-shrink:0;font-family:Georgia,serif;font-size:24px;font-weight:800;color:#c8102e;line-height:1;width:26px}
.iu586-tl-t{font-size:15px;font-weight:700;color:#1f2937;line-height:1.35;transition:.2s}
/* ===== 资讯卡片流 grid ===== */
.iu586-mgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.iu586-mcard{border:1px solid #e5e7eb;border-radius:6px;background:#fff;padding:20px;transition:.2s;display:flex;flex-direction:column}
.iu586-mcard:hover{box-shadow:0 8px 28px rgba(0,0,0,.1);transform:translateY(-3px);border-color:#d1d5db}
.iu586-mc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.iu586-mc-cat{font-family:system-ui,sans-serif;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.8px;color:#c8102e}
.iu586-mc-tag{font-family:system-ui,sans-serif;font-size:11px;font-weight:700;color:#374151;background:#f3f4f6;padding:3px 9px;border-radius:999px}
.iu586-mc-title{font-family:Georgia,serif;font-size:20px;line-height:1.3;font-weight:700;margin-bottom:10px}
.iu586-mc-title a:hover{color:#c8102e}
.iu586-mc-excerpt{font-size:15px;color:#4b5563;margin-bottom:16px;flex:1}
.iu586-mc-meta{display:flex;gap:8px;font-family:system-ui,sans-serif;font-size:12px;color:#9ca3af;border-top:1px solid #f3f4f6;padding-top:12px}
/* ===== 合作媒体 / 推荐 ===== */
.iu586-partners{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.iu586-partner{display:flex;flex-direction:column;align-items:center;gap:10px;padding:18px 12px;border:1px solid #e5e7eb;border-radius:6px;background:#fff;text-align:center;transition:.2s}
.iu586-partner:hover{border-color:#c8102e;box-shadow:0 4px 16px rgba(200,16,46,.12)}
.iu586-partner img{height:40px;width:auto;object-fit:contain}
.iu586-partner-ph{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:#111;color:#fff;font-family:Georgia,serif;font-weight:800;font-size:17px}
.iu586-partner-nm{font-family:system-ui,sans-serif;font-size:13px;font-weight:700;color:#1f2937;letter-spacing:.3px}
.iu586-more-wrap{text-align:center;margin-top:20px}
.iu586-more{display:inline-block;font-family:system-ui,sans-serif;font-size:14px;font-weight:700;color:#c8102e;border:2px solid #c8102e;padding:9px 22px;border-radius:4px;transition:.2s}
.iu586-more:hover{background:#c8102e;color:#fff}
/* ===== 专题报道 / app_info ===== */
.iu586-feature-body{border-left:4px solid #c8102e;padding:6px 0 6px 22px;background:#fafafa;border-radius:0 6px 6px 0;padding:20px 22px}
.iu586-rate-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.iu586-rate-line strong{font-family:Georgia,serif;font-size:30px;color:#c8102e;line-height:1}
.iu586-rate-line small{font-family:system-ui,sans-serif;color:#6b7280}
.sf,.sh{color:#f59e0b}
.se{color:#d1d5db}
.iu586-feature-text{font-size:16px;color:#374151}
.iu586-feature-text p{margin-bottom:12px}
.iu586-inline-btn{display:inline-block;margin-top:16px;font-family:system-ui,sans-serif;font-size:14px;font-weight:700;color:#fff;background:#111;padding:11px 24px;border-radius:4px;transition:.2s}
.iu586-inline-btn:hover{background:#c8102e}
/* ===== 编辑评测 ===== */
.iu586-revgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.iu586-rev{border:1px solid #e5e7eb;border-top:3px solid #111;border-radius:0 0 6px 6px;background:#fff;padding:20px}
.iu586-rev-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.iu586-rev-ava{flex-shrink:0;width:44px;height:44px;border-radius:50%;background:#c8102e;color:#fff;display:grid;place-items:center;font-family:Georgia,serif;font-weight:800;font-size:19px;text-transform:uppercase}
.iu586-rev-nm{font-family:system-ui,sans-serif;font-size:15px;font-weight:800;color:#111}
.iu586-rev-st{font-size:14px;margin-top:2px}
.iu586-rev-h{font-family:Georgia,serif;font-size:18px;font-weight:700;color:#1a1a1a;margin-bottom:8px}
.iu586-rev-body{font-size:15px;color:#4b5563}
/* ===== FAQ ===== */
.iu586-faq{display:flex;flex-direction:column;gap:0;border-top:1px solid #e5e7eb}
.iu586-faq-item{border-bottom:1px solid #e5e7eb}
.iu586-faq-item summary{font-family:Georgia,serif;font-size:17px;font-weight:700;color:#111;padding:16px 36px 16px 0;cursor:pointer;position:relative;list-style:none}
.iu586-faq-item summary::-webkit-details-marker{display:none}
.iu586-faq-item summary::after{content:"+";position:absolute;right:6px;top:14px;font-family:system-ui,sans-serif;font-size:24px;color:#c8102e;line-height:1;transition:.2s}
.iu586-faq-item[open] summary::after{content:"�2"}
.iu586-faq-a{font-size:15px;color:#4b5563;padding:0 0 18px}
.iu586-faq-a p{margin-bottom:10px}
/* ===== 社论 about ===== */
.iu586-editorial-body{font-size:16px;color:#374151;column-gap:32px;max-width:860px}
.iu586-editorial-body p{margin-bottom:14px}
.iu586-editorial-body p:first-child::first-letter{font-family:Georgia,serif;font-size:54px;font-weight:800;float:left;line-height:.85;padding:4px 10px 0 0;color:#c8102e}
/* ===== 社区留言 ===== */
section[data-s="discussion"] h2{font-family:Georgia,serif;font-size:26px;font-weight:800;color:#111;padding-bottom:10px;margin-bottom:22px;border-bottom:2px solid #111}
.iu586-disc-form{display:flex;gap:10px;align-items:center;margin-bottom:18px}
.iu586-disc-av{width:36px;height:36px;border-radius:50%;background:#f3f4f6;flex-shrink:0}
.iu586-disc-send{font-family:system-ui,sans-serif;font-weight:700;color:#fff;background:#c8102e;border:0;border-radius:4px;padding:9px 20px;cursor:pointer}
.iu586-disc-send:hover{background:#a00d24}
.iu586-disc-name{font-family:system-ui,sans-serif;font-weight:800;color:#111;font-size:14px}
.iu586-disc-meta{font-family:system-ui,sans-serif;font-size:12px;color:#9ca3af}
.iu586-disc-reply{background:#fafafa;border-left:3px solid #e5e7eb;border-radius:0 6px 6px 0;padding:10px 12px;margin-top:8px}
.iu586-disc-more{display:block;width:100%;text-align:center;font-family:system-ui,sans-serif;padding:12px 0;color:#c8102e;font-weight:700;background:none;border:0;cursor:pointer}
.iu586-disc-more:hover{text-decoration:underline}
/* ===== 跳转倒计时遮罩 ===== */
.iu586-ro-overlay{display:none;position:fixed;inset:0;background:rgba(17,17,17,.9);z-index:999;place-items:center}
.iu586-ro-overlay.show{display:grid}
.iu586-ro-card{background:#fff;border-top:4px solid #c8102e;border-radius:10px;padding:32px;text-align:center;max-width:340px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.iu586-ro-ring{position:relative;width:100px;height:100px;margin:0 auto 16px}
.iu586-ro-ring svg{transform:rotate(-90deg)}
.iu586-ro-ring #smRoArc{transition:stroke-dashoffset .3s linear}
.iu586-ro-ring span{position:absolute;inset:0;display:grid;place-items:center;font-family:Georgia,serif;font-size:30px;font-weight:900;color:#c8102e}
#smRoText{font-family:system-ui,sans-serif;color:#374151;font-size:15px}
#smRoSkip{margin-top:14px;font-family:system-ui,sans-serif;background:#c8102e;color:#fff;border:0;border-radius:6px;padding:11px 28px;font-weight:800;cursor:pointer}
#smRoSkip:hover{background:#a00d24}
/* ===== Footer ===== */
footer{background:#111;color:#d1d5db;border-top:3px solid #c8102e;padding:34px 20px;text-align:center;font-family:system-ui,sans-serif;font-size:13px;margin-top:48px}
footer a{color:#fca5af}
footer a:hover{color:#fff}
.footer-legal-links{display:flex;gap:18px;justify-content:center;margin-bottom:10px;flex-wrap:wrap}
.footer-age{opacity:.55;margin-top:6px}
.footer-external-links{margin-top:10px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* ===== 响应式 ===== */
@media(max-width:980px){.iu586-lead{grid-template-columns:1fr}.iu586-mgrid{grid-template-columns:repeat(2,1fr)}.iu586-revgrid{grid-template-columns:1fr}}
@media(max-width:768px){nav#nav{display:none}#mbt{display:flex}.iu586-lead-h1{font-size:26px}.iu586-st{font-size:22px}.iu586-mgrid{grid-template-columns:1fr}.iu586-hw>a span{font-size:18px}}