/* ============================================================
   QiField 气场 v3.0 —「墨与朱」大气质设计系统
   大气 = 超大字号 + 大留白 + 整幅大卡 + 墨蓝金朱配色 + 杂志式排版
   ============================================================ */
:root{
  --ink:#0a1024; --ink-2:#16255c; --ink-3:#1e3a8a; --blue:#2b6ff2; --sky:#4aa8ff;
  --gold:#c9a227; --gold-l:#e8c766; --seal:#b03a2e;
  --paper:#f4f2ec; --paper-2:#ebe8df; --card:#ffffff;
  --text:#4b5563; --muted:#8b95a5; --line:#e5e1d6;
  --radius:22px; --radius-sm:14px;
  --shadow-1:0 1px 2px rgba(10,16,36,.04), 0 8px 24px rgba(10,16,36,.06);
  --shadow-2:0 24px 60px rgba(10,16,36,.14);
  --container:1320px; --header-h:72px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:15.5px;line-height:1.8;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none;transition:color .2s}
a:hover{color:var(--seal)}
ul,ol{list-style:none}
button,input{font-family:inherit}
::selection{background:rgba(201,162,39,.28)}
.container{max-width:var(--container);margin:0 auto;padding:0 32px}

/* ============ 页眉 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(244,242,236,.9);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(10,16,36,.07)}
.header-inner{display:flex;align-items:center;gap:36px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:14px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-seal{width:44px;height:44px;border-radius:12px;background:linear-gradient(140deg,var(--seal),#d0543f);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:700;box-shadow:0 6px 18px rgba(176,58,46,.3)}
.brand-zh{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:3px}
.brand-en{font-size:11px;color:var(--muted);letter-spacing:4px;text-transform:uppercase}
.main-nav ul{display:flex;gap:6px}
.main-nav a{display:block;padding:9px 18px;border-radius:99px;color:var(--text);font-size:15px;font-weight:500}
.main-nav a:hover,.main-nav a.is-active{background:var(--ink);color:#fff}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.header-search{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 7px 7px 20px;width:280px}
.header-search input{flex:1;min-width:0;border:none;background:none;outline:none;font-size:14.5px;color:var(--ink)}
.header-search button{border:none;background:var(--ink);color:#fff;width:36px;height:36px;border-radius:99px;display:grid;place-items:center;cursor:pointer;flex-shrink:0;transition:background .2s}
.header-search button:hover{background:var(--seal)}
.header-search svg{width:16px;height:16px}
.lang-switch{display:flex;border:1px solid var(--line);border-radius:99px;overflow:hidden;background:#fff}
.lang-switch a{padding:7px 16px;font-size:13px;color:var(--text)}
.lang-switch a.is-active{background:var(--ink);color:#fff}
.icon-btn{width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);display:grid;place-items:center;cursor:pointer}
.icon-btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.icon-btn svg{width:18px;height:18px}
.hamburger{display:none}

/* ============ 公告条 ============ */
.bulletin-bar{display:flex;align-items:center;gap:14px;max-width:var(--container);margin:18px auto 0;padding:14px 24px;background:#fffdf6;border:1px solid #ecdfba;border-left:4px solid var(--gold);border-radius:14px;font-size:14.5px}
.bulletin-bar .bb-tag{flex-shrink:0;padding:4px 14px;border-radius:99px;background:var(--gold);color:#fff;font-size:12px;font-weight:700;letter-spacing:2px}
.bulletin-bar a{color:var(--ink);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bulletin-bar a:hover{color:var(--seal)}
.bulletin-bar .bb-close{margin-left:auto;border:none;background:none;color:var(--muted);font-size:22px;cursor:pointer;padding:0 4px;line-height:1}
.bulletin-bar .bb-close:hover{color:var(--seal)}

/* ============ Hero：超高墨蓝 + 超大标题 + 数据带 ============ */
.hero{position:relative;background:linear-gradient(165deg,var(--ink) 0%,#101a44 38%,var(--ink-2) 68%,var(--ink-3) 100%);color:#fff;overflow:hidden;padding:0}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(70% 60% at 78% 12%,rgba(74,168,255,.28),transparent 62%),
             radial-gradient(50% 50% at 12% 92%,rgba(201,162,39,.16),transparent 60%)}
.hero::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:3px 3px}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%}
.hero-inner{position:relative;z-index:3;padding:120px 32px 0;text-align:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;padding:8px 22px;border:1px solid rgba(255,255,255,.26);border-radius:99px;font-size:13px;letter-spacing:6px;color:rgba(255,255,255,.8);background:rgba(255,255,255,.05)}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:99px;background:var(--gold-l);box-shadow:0 0 14px var(--gold-l)}
.hero h1{margin-top:34px;font-size:clamp(64px,11vw,132px);font-weight:900;letter-spacing:.16em;line-height:1;background:linear-gradient(180deg,#fff 30%,#b9cdf5 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-indent:.16em}
.hero-en{margin-top:20px;font-size:clamp(13px,1.6vw,18px);letter-spacing:.7em;text-transform:uppercase;color:rgba(255,255,255,.5);text-indent:.7em}
.hero-rule{width:64px;height:3px;margin:32px auto 0;background:linear-gradient(90deg,transparent,var(--gold-l),transparent)}
.hero-sub{margin:30px auto 0;max-width:660px;font-size:17px;line-height:2;color:rgba(255,255,255,.74)}
.hero-search{margin:44px auto 0;max-width:660px;display:flex;background:#fff;border-radius:99px;padding:8px;box-shadow:0 30px 70px rgba(0,0,0,.35)}
.hero-search input{flex:1;min-width:0;border:none;outline:none;background:none;padding:14px 26px;font-size:16px;color:var(--ink)}
.hero-search button{border:none;background:linear-gradient(120deg,var(--seal),#d0543f);color:#fff;padding:0 44px;border-radius:99px;font-size:16px;font-weight:700;letter-spacing:4px;cursor:pointer;transition:transform .2s,box-shadow .2s}
.hero-search button:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(176,58,46,.45)}
.hero-btns{margin-top:32px;display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:15px 40px;border-radius:99px;font-size:16px;font-weight:600;letter-spacing:2px;transition:transform .25s,box-shadow .25s,background .25s}
.btn:hover{transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--ink);box-shadow:0 16px 40px rgba(0,0,0,.2)}
.btn-ghost-light{border:1px solid rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}
.btn-accent{background:linear-gradient(120deg,var(--seal),#d0543f);color:#fff;box-shadow:0 14px 34px rgba(176,58,46,.35)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2);color:#fff}

/* 数据带：大数字 */
.stat-band{position:relative;z-index:3;margin-top:88px;border-top:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04)}
.stat-inner{display:grid;grid-template-columns:repeat(4,1fr);max-width:var(--container);margin:0 auto}
.stat-item{padding:38px 20px;text-align:center;border-right:1px solid rgba(255,255,255,.1)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:clamp(38px,5vw,58px);font-weight:800;line-height:1;letter-spacing:-1px;font-variant-numeric:tabular-nums;background:linear-gradient(180deg,#fff,#9fb6e8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-item:nth-child(2) .stat-num,.stat-item:nth-child(4) .stat-num{background:linear-gradient(180deg,var(--gold-l),var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{margin-top:12px;font-size:13px;letter-spacing:5px;color:rgba(255,255,255,.55)}

/* ============ 快捷入口 ============ */
.entry-row{position:relative;z-index:4;margin-top:-46px}
.entry-row-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-2)}
.entry-item{display:flex;align-items:center;gap:18px;padding:28px 30px;background:#fff;transition:background .3s}
.entry-item:hover{background:var(--paper)}
.entry-ico{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;flex-shrink:0;box-shadow:var(--shadow-1)}
.entry-ico svg{width:28px;height:28px;stroke:#fff;fill:none;stroke-width:1.7}
.entry-item strong{display:block;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:1px}
.entry-item span span{display:block;font-size:13px;color:var(--muted)}

/* ============ 频道胶囊 ============ */
.channel-chips{padding:56px 0 8px}
.channel-chips-inner{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.chip{padding:11px 28px;border-radius:99px;background:#fff;border:1px solid var(--line);font-size:15px;color:var(--text);transition:all .25s}
.chip:hover{transform:translateY(-2px);box-shadow:var(--shadow-1)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}

/* ============ 区块标题（杂志式：左标题右链接） ============ */
.section{padding:84px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:var(--container);margin:0 auto 48px;padding:0 32px}
.section-head .kicker{display:inline-flex;align-items:center;gap:12px;font-size:13px;letter-spacing:6px;color:var(--seal);font-weight:700}
.section-head .kicker::before{content:"";width:34px;height:2px;background:var(--seal)}
.sec-title{margin-top:14px;font-size:clamp(32px,4.6vw,52px);font-weight:900;color:var(--ink);letter-spacing:3px;line-height:1.2}
.sec-title .grad{background:linear-gradient(100deg,var(--seal),var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.section-head p{max-width:460px;font-size:15.5px;color:var(--text)}
.section-head .more{font-size:15px;color:var(--ink);font-weight:600;white-space:nowrap;padding-bottom:8px}
.section-head .more:hover{color:var(--seal)}
.section-head.center{display:block;text-align:center;max-width:760px}
.section-head.center .kicker{justify-content:center}
.section-head.center p{margin:16px auto 0}

/* ============ 四大板块：整幅横向大卡 ============ */
.section-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;max-width:var(--container);margin:0 auto;padding:0 32px}
.section-card{position:relative;min-height:330px;border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:44px;color:#fff;box-shadow:var(--shadow-1);transition:transform .4s cubic-bezier(.2,.7,.2,1),box-shadow .4s}
.section-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-2)}
.section-card::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 90% at 88% 6%,rgba(255,255,255,.22),transparent 58%)}
.section-card::after{content:"";position:absolute;right:-10px;bottom:-56px;font-size:200px;font-weight:900;line-height:1;color:rgba(255,255,255,.13);letter-spacing:-10px;user-select:none}
.sec-watermark{position:absolute;right:36px;top:34px;font-size:96px;font-weight:900;color:rgba(255,255,255,.16);line-height:1;letter-spacing:-4px}
.section-card h3{position:relative;z-index:2;font-size:32px;font-weight:800;letter-spacing:4px}
.sec-en{position:relative;z-index:2;margin-top:6px;font-size:12px;letter-spacing:5px;text-transform:uppercase;color:rgba(255,255,255,.6)}
.sec-desc{position:relative;z-index:2;margin-top:18px;max-width:400px;font-size:15px;color:rgba(255,255,255,.82)}
.sec-qi{position:relative;z-index:2;margin-top:10px;font-size:15px;color:var(--gold-l);font-style:italic}
.sec-foot{position:relative;z-index:2;margin-top:26px;display:flex;align-items:center;justify-content:space-between;padding-top:22px;border-top:1px solid rgba(255,255,255,.18)}
.sec-link{display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:#fff}
.sec-link .arrow{transition:transform .25s}
.sec-link:hover .arrow{transform:translateX(6px)}
.qi-badge{display:inline-flex;align-items:center;gap:7px;padding:6px 16px;border-radius:99px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);font-size:13px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}

/* ============ 内容区：杂志头条 + 列表 ============ */
.latest-layout{display:grid;grid-template-columns:1fr 360px;gap:32px;align-items:start;max-width:var(--container);margin:0 auto;padding:0 32px}
.latest-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 34px;margin-bottom:28px}
.latest-block-head{display:flex;align-items:center;justify-content:space-between;padding:24px 0 10px}
.latest-block-head h3{font-size:21px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:12px}
.latest-block-head h3::before{content:"";width:5px;height:22px;border-radius:3px;background:linear-gradient(180deg,var(--seal),var(--gold))}
.latest-block-head a{font-size:14px;color:var(--muted)}
.lead-card{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;padding:28px 0;border-top:1px solid var(--line)}
.lead-media{position:relative;border-radius:var(--radius-sm);overflow:hidden;min-height:280px;background:linear-gradient(140deg,#e9edf6,#dde4f2);display:grid;place-items:center}
.lead-media span{font-size:80px;font-weight:900;color:rgba(43,111,242,.22)}
.lead-body h4{font-size:26px;font-weight:800;color:var(--ink);line-height:1.5}
.lead-body h4 a{color:var(--ink)}
.lead-body h4 a:hover{color:var(--seal)}
.lead-excerpt{margin-top:16px;font-size:15.5px;color:var(--text);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.row-tags{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.tag-pill{padding:5px 15px;border-radius:99px;font-size:12.5px;font-weight:600;background:var(--paper-2);color:var(--ink)}
.tag-pill.sec-color{background:rgba(176,58,46,.1);color:var(--seal)}
.qi-score{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--seal);font-variant-numeric:tabular-nums}
.qi-score i{font-style:normal;font-size:15px}
.row-meta{display:flex;align-items:center;gap:18px;font-size:13px;color:var(--muted)}
.row-card{display:flex;gap:26px;padding:24px 0;border-top:1px dashed var(--line);align-items:center}
.row-body{flex:1;min-width:0}
.row-body h4{font-size:19px;font-weight:700;color:var(--ink);line-height:1.55}
.row-body h4 a{color:var(--ink)}
.row-body h4 a:hover{color:var(--seal)}
.row-excerpt{margin-top:10px;font-size:14.5px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-thumb{width:180px;height:118px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:linear-gradient(140deg,#eef2f9,#e2e9f6);display:grid;place-items:center}
.row-thumb-ph{font-size:44px;font-weight:800;color:rgba(43,111,242,.28)}

/* 侧栏 */
.latest-side{position:sticky;top:calc(var(--header-h) + 24px);display:flex;flex-direction:column;gap:24px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.side-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.side-card-head h3{font-size:19px;font-weight:800;color:var(--ink)}
.side-card-head a{font-size:13.5px;color:var(--muted)}
.mini-site{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line)}
.mini-site:last-child{border-bottom:none}
.site-icon{width:42px;height:42px;border-radius:12px;overflow:hidden;flex-shrink:0;background:linear-gradient(140deg,#eef2f9,#e2e9f6);display:grid;place-items:center}
.site-icon img{width:100%;height:100%;object-fit:cover}
.site-icon .letter{font-size:18px;font-weight:800;color:var(--blue)}
.mini-site a{flex:1;min-width:0;font-size:14.5px;font-weight:500;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini-site a:hover{color:var(--seal)}
.mini-site .go{font-size:13px;color:var(--muted)}
.hot-row{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line)}
.hot-row:last-child{border-bottom:none}
.hot-rank{width:26px;height:26px;border-radius:8px;background:var(--paper-2);color:var(--muted);font-size:13px;font-weight:800;display:grid;place-items:center;flex-shrink:0;font-variant-numeric:tabular-nums}
.hot-rank.r1{background:linear-gradient(140deg,#d0543f,var(--seal));color:#fff}
.hot-rank.r2{background:linear-gradient(140deg,#3f3480,#241c52);color:#fff}
.hot-rank.r3{background:linear-gradient(140deg,#3c7d68,#1f4a3c);color:#fff}
.hot-row a{flex:1;min-width:0;font-size:14.5px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hot-row a:hover{color:var(--seal)}
.side-sub{background:linear-gradient(165deg,var(--ink),var(--ink-2));color:#fff;border:none}
.side-sub .side-card-head{border-color:rgba(255,255,255,.14)}
.side-sub .side-card-head h3{color:#fff}
.side-sub p{font-size:14.5px;color:rgba(255,255,255,.72)}
.latest-empty{padding:40px 0;text-align:center;color:var(--muted)}

/* ============ AI 导航目录：大 tile ============ */
.dir-section{background:var(--paper-2)}
.term-chips{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:52px}
.term-chips a{padding:10px 24px;border-radius:99px;background:#fff;border:1px solid var(--line);font-size:14.5px;color:var(--text);transition:all .25s}
.term-chips a:hover{transform:translateY(-2px);box-shadow:var(--shadow-1)}
.term-chips a.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.dir-group{max-width:var(--container);margin:0 auto 56px;padding:0 32px}
.dir-group-head{display:flex;align-items:baseline;gap:18px;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--ink)}
.dir-group-head h2{font-size:24px;font-weight:800;color:var(--ink);letter-spacing:2px}
.dir-group-head .count{font-size:14px;color:var(--muted)}
.dir-group-head .more{margin-left:auto;font-size:14.5px;font-weight:600;color:var(--ink)}
.dir-group-head .more:hover{color:var(--seal)}
.dir-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dir-card{display:flex;gap:18px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);transition:transform .3s,box-shadow .3s}
.dir-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.dir-card .site-icon{width:56px;height:56px;border-radius:14px}
.site-info{min-width:0;flex:1}
.site-info h3{font-size:17px;font-weight:700;color:var(--ink)}
.site-info h3 a{color:var(--ink)}
.site-info h3 a:hover{color:var(--blue)}
.site-info p{margin-top:8px;font-size:14px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.site-info .site-link{margin-top:10px;display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--muted)}
.site-info .site-link:hover{color:var(--seal)}

/* ============ CTA ============ */
.cta-band{position:relative;background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 55%,var(--ink-3) 100%);color:#fff;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(55% 90% at 85% 18%,rgba(74,168,255,.26),transparent 60%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center;max-width:var(--container);margin:0 auto;padding:96px 32px}
.cta-left h2{font-size:clamp(30px,4vw,46px);font-weight:900;letter-spacing:4px;line-height:1.25}
.cta-left h2 .grad{background:linear-gradient(100deg,var(--gold-l),#f0d68a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cta-left p{margin-top:18px;font-size:16px;color:rgba(255,255,255,.74);max-width:480px}
.cta-left .btn{margin-top:30px}
.cta-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:36px;backdrop-filter:blur(10px)}
.sub-form{display:flex;gap:12px}
.sub-form input[type="email"]{flex:1;min-width:0;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);border-radius:99px;padding:14px 26px;color:#fff;outline:none;font-size:15px}
.sub-form input[type="email"]::placeholder{color:rgba(255,255,255,.5)}
.sub-form .btn{white-space:nowrap}
.sub-message{min-height:22px;margin-top:12px;font-size:14px;color:rgba(255,255,255,.8)}
.sub-message.is-ok{color:#8ff0b8}
.sub-message.is-err{color:#ffb0a8}
.sub-notice{margin-top:12px;font-size:14px;color:#8ff0b8}
.qifield-hp{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important}
.side-sub .sub-inline{margin-top:16px}
.side-sub .sub-form input[type="email"]{padding:12px 18px;font-size:14px}
.cta-note{margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.55)}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.66)}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--blue) 0%,#6d5ad8 45%,var(--seal) 72%,var(--gold) 100%)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:56px;max-width:var(--container);margin:0 auto;padding:80px 32px 52px}
.footer-brand .brand-seal{margin-bottom:18px}
.footer-brand .brand-zh{color:#fff}
.footer-brand .brand-en{color:rgba(255,255,255,.45)}
.footer-brand p{margin-top:16px;font-size:14.5px;color:rgba(255,255,255,.55);max-width:340px}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:22px;letter-spacing:3px}
.footer-col li{margin-bottom:13px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:#fff}
.footer-disclaimer{max-width:var(--container);margin:0 auto;padding:26px 32px;border-top:1px solid rgba(255,255,255,.1);font-size:13.5px;color:rgba(255,255,255,.42);line-height:1.9}
.footer-bottom{max-width:var(--container);margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:24px 32px 34px;border-top:1px solid rgba(255,255,255,.1);font-size:13.5px;color:rgba(255,255,255,.42)}

/* ============ 返回顶部 ============ */
.to-top{position:fixed;right:32px;bottom:36px;width:52px;height:52px;border:none;border-radius:99px;background:var(--ink);color:#fff;font-size:19px;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(12px);transition:all .35s;z-index:70;box-shadow:var(--shadow-2)}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--seal)}

/* ============ 渐入 + 响应式 ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

@media (max-width:1240px){
  .header-search{width:200px}
  .latest-layout{grid-template-columns:1fr 320px}
  .dir-grid{grid-template-columns:repeat(3,1fr)}
  .entry-row-inner{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1080px){
  .header-search{display:none}
  .latest-layout{grid-template-columns:1fr}
  .latest-side{position:static;display:grid;grid-template-columns:1fr 1fr}
  .section-cards{grid-template-columns:1fr}
  .lead-card{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:40px;padding:72px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:44px}
  .stat-inner{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.1)}
}
@media (max-width:900px){
  .main-nav{display:none}
  .hamburger{display:grid}
  .dir-grid{grid-template-columns:repeat(2,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px}
  .hero-inner{padding-top:84px}
  .entry-row{margin-top:-34px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .hero-inner{padding:64px 20px 0}
  .hero h1{letter-spacing:.1em;text-indent:.1em}
  .hero-search{flex-direction:column;border-radius:20px;padding:10px}
  .hero-search button{width:100%;padding:15px 0;border-radius:14px}
  .hero-btns .btn{width:100%;justify-content:center}
  .entry-row{margin-top:-24px}
  .entry-row-inner{grid-template-columns:1fr}
  .entry-item{padding:20px}
  .entry-item span span{display:none}
  .stat-band{margin-top:56px}
  .stat-item{padding:26px 10px}
  .section{padding:56px 0}
  .section-cards,.dir-group,.latest-layout,.section-head{padding-left:20px;padding-right:20px}
  .latest-block{padding:10px 22px}
  .row-card{flex-direction:column-reverse;align-items:stretch}
  .row-thumb{width:100%;height:160px}
  .dir-grid{grid-template-columns:1fr}
  .latest-side{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:36px;padding:60px 20px 40px}
  .footer-disclaimer,.footer-bottom{padding-left:20px;padding-right:20px}
  .sub-form{flex-direction:column}
  .sub-form .btn{justify-content:center}
  .dir-group-head .more{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ============================================================
   QiField v3.0「墨与朱」— 内页组件
   ============================================================ */

/* ---- 内页 Hero ---- */
.page-hero{position:relative;background:linear-gradient(160deg,var(--ink) 0%,#131f4c 55%,var(--ink-2) 100%);color:#fff;padding:64px 0 58px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 90% at 82% 10%,rgba(74,168,255,.26),transparent 62%)}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-size:clamp(28px,4vw,42px);font-weight:900;letter-spacing:4px;color:#fff}
.page-hero .crumb{margin-top:18px;font-size:14px;color:rgba(255,255,255,.55)}
.page-hero .crumb a{color:rgba(255,255,255,.78)}
.page-hero .crumb a:hover{color:#fff}
.page-hero .crumb .sep{margin:0 10px;color:rgba(255,255,255,.3)}

/* ---- 两栏布局 ---- */
.layout{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start;padding:52px 0 80px}
.layout.no-sidebar{grid-template-columns:1fr;max-width:900px;margin:0 auto}

/* ---- 归档/搜索卡片 ---- */
.entry-card{display:flex;gap:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:22px;transition:transform .3s,box-shadow .3s}
.entry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-1)}
.entry-thumb{width:280px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--paper-2)}
.entry-thumb img{width:100%;height:100%;object-fit:cover}
.entry-body{flex:1;min-width:0}
.entry-body h2{font-size:23px;font-weight:800;color:var(--ink);line-height:1.5}
.entry-body h2 a{color:var(--ink)}
.entry-body h2 a:hover{color:var(--seal)}
.entry-meta{display:flex;align-items:center;gap:18px;margin-top:12px;font-size:13.5px;color:var(--muted)}
.entry-excerpt{margin-top:14px;font-size:15px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.read-more{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:15px;font-weight:700;color:var(--seal)}
.read-more:hover{color:#8f2f22}

/* ---- 文章内页 ---- */
.single-article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:52px 56px}
.single-head .entry-cat{display:inline-block;padding:6px 18px;border-radius:99px;background:rgba(176,58,46,.1);color:var(--seal);font-size:13px;font-weight:700;letter-spacing:1px}
.single-head h1{margin-top:18px;font-size:clamp(26px,3.8vw,38px);font-weight:900;color:var(--ink);line-height:1.4;letter-spacing:1px}
.single-head .entry-meta{margin-top:18px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.entry-content{margin-top:32px;font-size:16px;line-height:2;color:#333c47}
.entry-content h2,.entry-content h3,.entry-content h4{margin:1.5em 0 .7em;color:var(--ink);line-height:1.45;font-weight:800}
.entry-content h2{font-size:23px}
.entry-content h3{font-size:19px}
.entry-content p{margin-bottom:1.15em}
.entry-content a{border-bottom:1px solid rgba(43,111,242,.35)}
.entry-content img{border-radius:var(--radius-sm);margin:1.4em auto}
.entry-content blockquote{margin:1.6em 0;padding:22px 28px;background:var(--paper);border-left:4px solid var(--seal);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text);font-size:15.5px}
.entry-content blockquote p{margin:0}
.entry-content pre{background:var(--ink);color:#dfe7f5;padding:22px 26px;border-radius:var(--radius-sm);overflow:auto;font-size:14px;line-height:1.8}
.entry-content code{font-family:Consolas,Monaco,monospace}
.entry-content ul,.entry-content ol{margin:0 0 1.15em 1.5em}
.entry-content ul li{list-style:disc;margin-bottom:.45em}
.entry-content ol li{list-style:decimal;margin-bottom:.45em}
.entry-content table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:11px 16px;text-align:left}
.entry-content th{background:var(--paper-2);color:var(--ink)}
.entry-content hr{border:none;height:1px;background:var(--line);margin:2.4em 0}
.single-tags{margin-top:34px;padding-top:24px;border-top:1px solid var(--line);font-size:14px}
.single-tags a{display:inline-block;padding:6px 18px;margin:5px 8px 0 0;border-radius:99px;background:var(--paper-2);color:var(--text);font-size:13px}
.single-tags a:hover{background:var(--ink);color:#fff}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.post-nav a{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 24px;color:var(--ink);font-size:15.5px;font-weight:700;transition:border-color .25s,transform .25s}
.post-nav a:hover{border-color:var(--seal);transform:translateY(-3px);color:var(--ink)}
.post-nav small{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-bottom:6px}
.post-nav .next{text-align:right}

/* ---- 侧边栏 ---- */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:calc(var(--header-h) + 24px)}
.widget{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.widget-title{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:18px;display:flex;align-items:center;gap:11px}
.widget-title::before{content:"";width:5px;height:19px;border-radius:3px;background:linear-gradient(180deg,var(--seal),var(--gold))}
.widget ul li{margin-bottom:11px;font-size:14.5px}
.widget ul li a{color:var(--text)}
.widget ul li a:hover{color:var(--seal)}
.searchform{display:flex;background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 6px 6px 20px}
.searchform input{flex:1;min-width:0;border:none;background:none;outline:none;font-size:14.5px;color:var(--ink)}
.searchform button{border:none;background:var(--ink);color:#fff;width:38px;height:38px;border-radius:99px;cursor:pointer;flex-shrink:0}

/* ---- 分页 ---- */
.pagination{display:flex;gap:10px;justify-content:center;margin-top:40px;flex-wrap:wrap}
.pagination .page-numbers{min-width:46px;height:46px;display:grid;place-items:center;padding:0 16px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--text);font-size:15px;font-weight:600;transition:all .25s}
.pagination .page-numbers:hover{border-color:var(--ink);color:var(--ink)}
.pagination .page-numbers.current{background:var(--ink);border-color:var(--ink);color:#fff}
.pagination .page-numbers.dots{border:none;background:none}

/* ---- 导航条目内页 ---- */
.site-visit{max-width:860px;margin:52px auto 80px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:72px 56px;text-align:center}
.site-visit .site-icon-lg{width:104px;height:104px;border-radius:26px;margin:0 auto 26px;display:grid;place-items:center;background:linear-gradient(140deg,#eef2f9,#e2e9f6);overflow:hidden}
.site-visit .site-icon-lg img{width:100%;height:100%;object-fit:cover}
.site-visit .site-icon-lg .letter{font-size:44px;font-weight:800;color:var(--blue)}
.site-visit h1{font-size:clamp(26px,3.6vw,34px);font-weight:900;color:var(--ink);letter-spacing:2px}
.site-desc{margin:18px auto 0;max-width:600px;font-size:16px;color:var(--text);line-height:1.9}
.site-visit .btn{margin-top:34px}

/* ---- 标签墙 ---- */
.tag-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:var(--container);margin:0 auto;padding:0 32px}
.tag-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:26px 28px;transition:transform .3s,box-shadow .3s}
.tag-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-1)}
.tag-card .tag-name{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:1px}
.tag-card .tag-meta{margin-top:8px;font-size:13.5px;color:var(--muted)}
.tag-card .tag-desc{margin-top:12px;font-size:14px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag-mini{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:980px;margin:0 auto;padding:0 32px}
.tag-mini a{padding:9px 20px;border-radius:99px;background:#fff;border:1px solid var(--line);font-size:14.5px;color:var(--text);transition:all .25s}
.tag-mini a:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.tag-mini a b{color:var(--seal);font-weight:800}
.tag-mini a:hover b{color:var(--gold-l)}

/* ---- 404 ---- */
.notfound{text-align:center;padding:110px 0}
.notfound .code{font-size:clamp(96px,16vw,170px);font-weight:900;line-height:1;background:linear-gradient(120deg,var(--seal),var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.notfound h1{margin-top:10px;font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--ink);letter-spacing:2px}
.notfound p{margin-top:16px;color:var(--text);font-size:16px}
.notfound .btn{margin-top:34px}

/* ---- 内页响应式 ---- */
@media (max-width:1080px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;display:grid;grid-template-columns:1fr 1fr}
  .tag-wall{grid-template-columns:repeat(3,1fr);padding:0 20px}
}
@media (max-width:900px){
  .single-article{padding:36px 28px}
  .entry-card{flex-direction:column}
  .entry-thumb{width:100%}
  .post-nav{grid-template-columns:1fr}
  .site-visit{padding:52px 28px}
  .tag-wall{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .sidebar{grid-template-columns:1fr}
  .tag-wall{grid-template-columns:1fr}
  .single-article{padding:28px 20px}
}

/* ---- 目录页包裹层（去掉嵌套 container，整幅铺开更大气） ---- */
.dir-wrap{max-width:var(--container);margin:0 auto;padding:0 32px}
@media (max-width:640px){ .dir-wrap{padding:0 20px} }