/* =========================================================
   XFPENG site2 · 深色高对比杂志风
   合并自 public/site2/magazine-home.html + news-list.html，
   并补充新闻详情页（.article-* / .prose）样式。
   ========================================================= */

/* =========================================================
   TOKENS — 深色高对比 · 双主色 + 红色点缀
   ========================================================= */
:root{
    --bg:           #0D0D0D;
    --bg-2:         #141414;
    --surface:      #1A1A1A;
    --surface-hi:   #222222;
    --ink:          #F5F5F5;
    --ink-2:        #999999;
    --ink-3:        #666666;
    --ink-4:        #444444;
    --rule:         #2A2A2A;
    --rule-2:       #1F1F1F;
    --accent:       #E53935;
    --accent-hi:    #FF3B36;
    --accent-dim:   #B71C1C;
    --ease:         cubic-bezier(.16, 1, .3, 1);
    --sans:         -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Inter", "Segoe UI", "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", system-ui, sans-serif;
    --mono:         "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:var(--bg)}
body{
    background:var(--bg);
    color:var(--ink);
    font-family:var(--sans);
    font-size:15px;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
    overflow-x:hidden;
    font-feature-settings:"tnum" 1, "ss01" 1;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
::selection{background:var(--accent);color:var(--bg)}
a{color:inherit;text-decoration:none}

/* =========================================================
   SITE NAV
   ========================================================= */
.nav{
    position:sticky;top:0;z-index:50;
    background:rgba(13,13,13,.92);
    backdrop-filter:blur(20px) saturate(140%);
    -webkit-backdrop-filter:blur(20px) saturate(140%);
    border-bottom:1px solid var(--rule);
    transition:border-color .3s var(--ease);
}
.nav.is-stuck{border-bottom-color:var(--ink-4)}
.nav-inner{
    max-width:1440px;margin:0 auto;
    display:flex;align-items:center;justify-content:space-between;
    height:64px;padding:0 40px;
}
.brand{
    display:flex;align-items:center;gap:10px;
    font-weight:700;font-size:16px;letter-spacing:-.01em;
    color:var(--ink);
}
.brand-mark{
    width:24px;height:24px;background:var(--accent);
    display:inline-flex;align-items:center;justify-content:center;
    font-weight:800;font-size:14px;color:#fff;letter-spacing:0;
}
.brand small{color:var(--ink-2);font-weight:400;margin-left:6px;font-size:13px}

.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu button{
    padding:8px 14px;
    font-size:14px;
    color:var(--ink-2);
    border-radius:6px;
    transition:color .2s var(--ease), background .2s var(--ease);
}
.nav-menu button:hover{color:var(--ink);background:var(--surface)}
.nav-menu button.active{color:var(--ink)}

.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .login{
    font-size:14px;color:var(--ink-2);padding:8px 14px;border-radius:6px;
}
.nav-actions .login:hover{color:var(--ink)}
.btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 18px;border-radius:6px;
    font-size:14px;font-weight:500;
    transition:all .2s var(--ease);
    white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hi)}
.btn-ghost{border:1px solid var(--ink-4);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink);background:var(--surface)}
.btn-arrow::after{content:"→";font-size:16px;transition:transform .2s var(--ease)}
.btn-primary:hover .btn-arrow::after,
.btn:hover.btn-arrow::after{transform:translateX(2px)}

/* =========================================================
   BREADCRUMB
   ========================================================= */
.bread{
    border-bottom:1px solid var(--rule);
    background:var(--bg);
}
.bread-inner{
    max-width:1440px;margin:0 auto;
    padding:14px 40px;
    display:flex;align-items:center;justify-content:space-between;
    font-size:12px;color:var(--ink-2);
    gap:24px;
}
.bread-crumbs{display:flex;align-items:center;gap:8px}
.bread-crumbs span{color:var(--ink-3)}
.bread-crumbs .sep{color:var(--ink-4)}
.bread-crumbs .current{color:var(--ink)}
.bread-tags{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.bread-tags .chip{
    padding:4px 10px;border:1px solid var(--rule);
    color:var(--ink-2);font-size:12px;border-radius:999px;
    transition:all .2s var(--ease);
}
.bread-tags .chip:hover{color:var(--ink);border-color:var(--ink-4)}
.bread-tags .chip.active{background:var(--accent);border-color:var(--accent);color:#fff}

/* =========================================================
   HERO
   ========================================================= */
.hero{
    border-bottom:1px solid var(--rule);
    background:var(--bg);
}
.hero-inner{
    max-width:1440px;margin:0 auto;
    padding:80px 40px 72px;
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:64px;
    align-items:center;
}
.hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 12px;background:var(--surface);
    color:var(--ink-2);font-size:12px;font-weight:500;
    border-radius:999px;margin-bottom:28px;
}
.hero-eyebrow .dot{width:6px;height:6px;background:var(--accent);border-radius:50%;display:inline-block}
.hero h1{
    font-size:clamp(40px,4.4vw,64px);
    font-weight:700;
    line-height:1.1;
    letter-spacing:-.025em;
    margin-bottom:24px;
    color:var(--ink);
}
.hero h1 .hl{color:var(--accent)}
.hero-sub{
    font-size:18px;line-height:1.6;color:var(--ink-2);
    margin-bottom:16px;max-width:560px;
}
.hero-meta{
    display:flex;align-items:center;gap:24px;
    margin:32px 0;
    padding:16px 0;
    border-top:1px solid var(--rule);
    border-bottom:1px solid var(--rule);
    font-size:13px;color:var(--ink-2);
}
.hero-meta strong{color:var(--ink);font-weight:600;display:block;font-size:14px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

/* Hero data cards */
.hero-data{
    display:grid;
    grid-template-columns:1fr;
    gap:12px;
}
.h-card{
    background:var(--surface);
    padding:24px;
    border:1px solid var(--rule);
    transition:all .25s var(--ease);
    cursor:pointer;
}
.h-card:hover{background:var(--surface-hi);border-color:var(--ink-4)}
.h-card-head{
    display:flex;justify-content:space-between;align-items:center;
    margin-bottom:18px;
    padding-bottom:14px;border-bottom:1px solid var(--rule);
}
.h-card-tag{font-size:11px;color:var(--accent);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.h-card-id{font-size:11px;color:var(--ink-3);font-family:var(--mono)}
.h-card-title{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:14px;line-height:1.4}
.h-card-num{
    font-size:40px;font-weight:700;color:var(--accent);
    line-height:1;letter-spacing:-.03em;
    font-family:var(--sans);
}
.h-card-num small{font-size:16px;color:var(--ink-2);font-weight:500;margin-left:6px;letter-spacing:0}
.h-card-desc{font-size:13px;color:var(--ink-2);margin-top:8px;line-height:1.5}

/* =========================================================
   SECTION COMMON
   ========================================================= */
.sec{padding:64px 0;border-bottom:1px solid var(--rule);background:var(--bg)}
.sec-2{background:var(--bg-2)}
.sec-inner{max-width:1440px;margin:0 auto;padding:0 40px}
.sec-head{
    display:flex;justify-content:space-between;align-items:end;
    margin-bottom:36px;
    padding-bottom:20px;
    border-bottom:1px solid var(--rule);
}
.sec-title{
    font-size:28px;font-weight:700;color:var(--ink);
    letter-spacing:-.02em;line-height:1.2;
}
.sec-title .hl{color:var(--accent)}
.sec-sub{font-size:14px;color:var(--ink-2);margin-top:6px}
.sec-meta{font-size:12px;color:var(--ink-3);font-family:var(--mono)}

/* =========================================================
   FILTER TABS
   ========================================================= */
.filter{
    display:flex;align-items:center;gap:6px;
    flex-wrap:wrap;
}
.filter button{
    padding:8px 16px;
    background:transparent;
    color:var(--ink-2);
    font-size:13px;font-weight:500;
    border-radius:6px;
    transition:all .2s var(--ease);
}
.filter button:hover{color:var(--ink);background:var(--surface)}
.filter button.active{background:var(--accent);color:#fff}
.filter .count{
    margin-left:4px;
    font-size:11px;
    color:var(--ink-3);
    font-family:var(--mono);
}
.filter button.active .count{color:rgba(255,255,255,.7)}

/* =========================================================
   CASE GRID
   ========================================================= */
.case-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:1px;
    background:var(--rule);
    border:1px solid var(--rule);
}
.case{
    background:var(--bg);
    padding:28px 24px;
    transition:background .2s var(--ease);
    cursor:pointer;
    display:flex;flex-direction:column;
    min-height:200px;
    position:relative;
}
.case:hover{background:var(--surface)}
.case:hover .case-arr{color:var(--accent);transform:translateX(4px)}
.case-head{
    display:flex;justify-content:space-between;align-items:center;
    margin-bottom:14px;
}
.case-tag{font-size:11px;color:var(--accent);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.case-id{font-size:11px;color:var(--ink-3);font-family:var(--mono)}
.case-title{
    font-size:18px;font-weight:600;color:var(--ink);
    margin-bottom:12px;line-height:1.35;letter-spacing:-.01em;
}
.case-sub{font-size:12px;color:var(--ink-3);margin:-6px 0 12px;letter-spacing:.02em}
.case-result{font-size:13px;color:var(--ink-2);line-height:1.55;flex:1}
.case-result b{color:var(--ink);font-weight:600}
.case-arr{
    position:absolute;top:24px;right:24px;
    color:var(--ink-3);font-size:18px;
    transition:all .2s var(--ease);
}

/* =========================================================
   DATA STATS
   ========================================================= */
.stats{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:0;
    border:1px solid var(--rule);
    background:var(--rule);
}
.stat{
    background:var(--bg);
    padding:48px 36px;
    transition:background .2s var(--ease);
}
.stat:hover{background:var(--bg-2)}
.stat-num{
    font-size:96px;font-weight:700;color:var(--accent);
    line-height:.95;letter-spacing:-.04em;
    font-family:var(--sans);
}
.stat-num small{font-size:32px;color:var(--ink);font-weight:600;margin-left:6px}
.stat-lab{
    font-size:14px;color:var(--ink);
    font-weight:500;margin-top:16px;
}
.stat-desc{font-size:12px;color:var(--ink-2);margin-top:6px;line-height:1.5}

/* =========================================================
   PROCESS FLOW
   ========================================================= */
.flow{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:8px;
}
.flow-item{
    background:var(--surface);
    border:1px solid var(--rule);
    padding:20px 16px;
    position:relative;
    transition:all .2s var(--ease);
    cursor:pointer;
}
.flow-item:hover{background:var(--surface-hi);border-color:var(--ink-4)}
.flow-item.current{background:var(--accent);border-color:var(--accent)}
.flow-item.current .flow-no,
.flow-item.current .flow-name,
.flow-item.current .flow-desc{color:#fff}
.flow-no{
    font-size:11px;color:var(--accent);
    font-family:var(--mono);
    font-weight:600;
    margin-bottom:10px;
    transition:color .2s var(--ease);
}
.flow-item.current .flow-no{color:rgba(255,255,255,.7)}
.flow-name{
    font-size:15px;font-weight:600;color:var(--ink);
    margin-bottom:6px;
    transition:color .2s var(--ease);
}
.flow-desc{
    font-size:12px;color:var(--ink-2);line-height:1.45;
    transition:color .2s var(--ease);
}
.flow-item.current .flow-desc{color:rgba(255,255,255,.85)}
.flow-dot{
    position:absolute;top:16px;right:16px;
    width:6px;height:6px;background:var(--accent);
    border-radius:50%;
}
.flow-item.current .flow-dot{background:#fff}

/* =========================================================
   METHODOLOGY DETAILS
   ========================================================= */
.method-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:1px;
    background:var(--rule);
    border:1px solid var(--rule);
    margin-top:32px;
}
.method{
    background:var(--bg);
    padding:32px 28px;
    transition:background .2s var(--ease);
}
.method:hover{background:var(--bg-2)}
.method-head{
    display:flex;align-items:baseline;gap:14px;
    margin-bottom:12px;
}
.method-no{
    font-size:11px;color:var(--accent);font-family:var(--mono);font-weight:600;
}
.method-when{
    font-size:11px;color:var(--ink-2);font-family:var(--mono);
}
.method-name{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:8px;letter-spacing:-.01em}
.method-desc{font-size:14px;color:var(--ink-2);line-height:1.6;margin-bottom:16px}
.method-deliver{
    border-top:1px solid var(--rule);
    padding-top:14px;
    font-size:13px;color:var(--ink);line-height:1.6;
}
.method-deliver b{color:var(--accent);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;display:block;margin-bottom:6px}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list{border-top:1px solid var(--rule)}
.faq{
    border-bottom:1px solid var(--rule);
    padding:0;
}
.faq summary{
    list-style:none;
    cursor:pointer;
    padding:22px 0;
    display:grid;
    grid-template-columns:auto 1fr auto;
    gap:20px;
    align-items:center;
    transition:background .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--surface)}
.faq .fn{
    font-size:11px;color:var(--accent);font-family:var(--mono);font-weight:600;
    width:36px;
}
.faq .fq{
    font-size:16px;font-weight:500;color:var(--ink);line-height:1.4;
    letter-spacing:-.01em;
}
.faq .ftoggle{
    font-size:18px;color:var(--ink-3);
    width:24px;height:24px;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--rule);border-radius:4px;
    transition:all .2s var(--ease);
}
.faq[open] .ftoggle{
    background:var(--accent);border-color:var(--accent);
    color:#fff;transform:rotate(45deg);
}
.faq .fa{
    padding:0 0 24px 56px;
    font-size:14px;line-height:1.7;color:var(--ink-2);
    max-width:880px;
}
.faq .fa b{color:var(--ink);font-weight:600}

/* =========================================================
   CTA FORM
   ========================================================= */
.cta{
    border-bottom:1px solid var(--rule);
    background:var(--bg);
}
.cta-inner{
    max-width:1440px;margin:0 auto;
    padding:72px 40px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:64px;
    align-items:start;
}
.cta-copy .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;color:var(--accent);font-weight:600;
    text-transform:uppercase;letter-spacing:.06em;
    margin-bottom:18px;
}
.cta-copy .eyebrow::before{
    content:"";width:24px;height:1px;background:var(--accent);display:inline-block;
}
.cta-copy h2{
    font-size:clamp(32px,3.4vw,48px);font-weight:700;
    color:var(--ink);line-height:1.1;letter-spacing:-.025em;
    margin-bottom:18px;
}
.cta-copy h2 .hl{color:var(--accent)}
.cta-copy p{font-size:15px;color:var(--ink-2);line-height:1.6;margin-bottom:24px;max-width:460px}
.cta-points{list-style:none;margin:24px 0;padding:0}
.cta-points li{
    padding:12px 0;border-bottom:1px solid var(--rule);
    font-size:14px;color:var(--ink-2);
    display:grid;grid-template-columns:18px 1fr;gap:14px;
    line-height:1.5;
}
.cta-points li::before{
    content:"→";color:var(--accent);font-weight:600;
}
.cta-points li:last-child{border-bottom:0}
.cta-fine{
    margin-top:24px;padding-top:18px;border-top:1px solid var(--rule);
    font-size:12px;color:var(--ink-3);
}
.cta-fine b{color:var(--ink);font-weight:600}
.cta-fine a{color:var(--ink-2)}
.cta-fine a:hover{color:var(--ink)}

/* form */
.form{
    background:var(--surface);
    border:1px solid var(--rule);
    padding:32px;
}
.form-title{
    font-size:13px;color:var(--ink-2);
    text-transform:uppercase;letter-spacing:.1em;
    padding-bottom:16px;margin-bottom:24px;
    border-bottom:1px solid var(--rule);
    display:flex;justify-content:space-between;align-items:center;
}
.form-title .form-no{font-family:var(--mono);color:var(--accent);font-weight:600}
.field{margin-bottom:18px}
.field label{
    display:block;
    font-size:11px;color:var(--ink-2);font-weight:600;
    text-transform:uppercase;letter-spacing:.08em;
    margin-bottom:8px;
}
.field label em{color:var(--accent);font-style:normal}
.field input, .field select, .field textarea{
    width:100%;
    background:var(--bg);
    border:1px solid var(--rule);
    color:var(--ink);
    padding:11px 14px;
    font-size:14px;
    border-radius:4px;
    transition:border-color .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus{
    outline:0;border-color:var(--accent);
}
.field select{
    appearance:none;
    background-image:linear-gradient(45deg, transparent 50%, var(--ink-2) 50%),
                      linear-gradient(135deg, var(--ink-2) 50%, transparent 50%);
    background-position:calc(100% - 16px) 50%, calc(100% - 11px) 50%;
    background-size:5px 5px;
    background-repeat:no-repeat;
    padding-right:32px;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-submit{
    width:100%;
    background:var(--accent);
    color:#fff;
    padding:14px 20px;
    font-size:14px;font-weight:600;
    border-radius:4px;
    display:flex;align-items:center;justify-content:space-between;
    transition:background .2s var(--ease);
    margin-top:8px;
}
.form-submit:hover{background:var(--accent-hi)}
.form-submit::after{content:"→";font-size:16px}
.form-status{
    margin-top:12px;padding:0;font-size:13px;
    min-height:1em;
    color:var(--accent);
    display:none;
}
.form-status[data-state="ok"]{display:block}
.form-status[data-state="err"]{display:block;color:var(--ink-2)}

/* =========================================================
   FOOTER
   ========================================================= */
.foot{
    background:var(--bg);
    padding:40px 0 28px;
}
.foot-inner{
    max-width:1440px;margin:0 auto;
    padding:0 40px;
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:48px;
    padding-bottom:32px;
    border-bottom:1px solid var(--rule);
}
.foot-brand .brand{font-size:18px;margin-bottom:12px}
.foot-brand p{font-size:13px;color:var(--ink-2);line-height:1.6;max-width:300px}
.foot-col h6{
    font-size:11px;color:var(--ink-2);
    text-transform:uppercase;letter-spacing:.1em;font-weight:600;
    margin-bottom:14px;
}
.foot-col ul{list-style:none}
.foot-col li{padding:5px 0;font-size:13px}
.foot-col li button{color:var(--ink-2);transition:color .2s var(--ease)}
.foot-col li button:hover{color:var(--ink)}
.foot-col li.text{color:var(--ink-2)}
.foot-bot{
    max-width:1440px;margin:0 auto;
    padding:20px 40px 0;
    display:flex;justify-content:space-between;align-items:center;
    font-size:12px;color:var(--ink-3);
    flex-wrap:wrap;gap:14px;
}
.foot-bot strong{color:var(--ink-2);font-weight:500}
.foot-bot-links{display:flex;gap:18px}
.foot-bot-links button{font-size:12px;color:var(--ink-3);transition:color .2s var(--ease)}
.foot-bot-links button:hover{color:var(--ink)}

/* =========================================================
   NEWS PAGE HERO
   ========================================================= */
.news-hero{
    border-bottom:1px solid var(--rule);
    background:var(--bg);
}
.news-hero-inner{
    max-width:1440px;margin:0 auto;
    padding:72px 40px 48px;
    display:grid;
    grid-template-columns:1.4fr 1fr;
    gap:48px;
    align-items:end;
}
.news-hero h1{
    font-size:clamp(40px,4.4vw,64px);
    font-weight:700;
    line-height:1.05;
    letter-spacing:-.025em;
    margin-bottom:18px;
}
.news-hero h1 .hl{color:var(--accent)}
.news-hero-sub{
    font-size:17px;color:var(--ink-2);line-height:1.55;max-width:560px;
}

/* search box */
.search-box{
    display:flex;align-items:center;gap:0;
    background:var(--surface);
    border:1px solid var(--rule);
    border-radius:6px;
    padding:0;
    margin-top:24px;
    transition:border-color .2s var(--ease);
}
.search-box:focus-within{border-color:var(--accent)}
.search-box input{
    flex:1;
    background:transparent;
    border:0;outline:0;
    padding:14px 16px;
    font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box button{
    padding:14px 20px;
    background:var(--accent);color:#fff;
    font-size:14px;font-weight:500;
    border-radius:0 6px 6px 0;
    transition:background .2s var(--ease);
}
.search-box button:hover{background:var(--accent-hi)}

.news-hero-stats{
    display:grid;grid-template-columns:repeat(3,1fr);gap:0;
    border:1px solid var(--rule);
    margin-top:20px;
}
.news-hero-stats .stat-cell{
    padding:14px 16px;
    border-right:1px solid var(--rule);
    background:var(--surface);
}
.news-hero-stats .stat-cell:last-child{border-right:0}
.news-hero-stats .n{font-size:22px;font-weight:700;color:var(--accent);font-family:var(--mono);letter-spacing:-.02em;line-height:1}
.news-hero-stats .l{font-size:11px;color:var(--ink-2);margin-top:4px;letter-spacing:.04em}

/* =========================================================
   FEATURED NEWS — 大特色文章
   ========================================================= */
.featured{
    display:grid;
    grid-template-columns:1.4fr 1fr;
    gap:1px;
    background:var(--rule);
    border:1px solid var(--rule);
    margin-top:24px;
}
.feat{
    background:var(--bg);
    padding:0;
    cursor:pointer;
    transition:background .2s var(--ease);
    display:flex;flex-direction:column;
    position:relative;
}
.feat:hover{background:var(--surface)}
.feat:hover .feat-arr{color:var(--accent);transform:translateX(4px)}
.feat-cover{
    aspect-ratio:16/8;
    background:linear-gradient(135deg, #1A1A1A 0%, #0D0D0D 100%);
    border-bottom:1px solid var(--rule);
    position:relative;
    overflow:hidden;
    padding:28px;
    display:flex;align-items:end;justify-content:space-between;
}
.feat-cover::before{
    content:"";position:absolute;top:0;left:0;right:0;bottom:0;
    background-image:
        linear-gradient(var(--rule-2) 1px, transparent 1px),
        linear-gradient(90deg, var(--rule-2) 1px, transparent 1px);
    background-size:32px 32px;
    opacity:.4;
}
.feat-cover-mark{
    position:relative;z-index:1;
    font-family:var(--mono);font-size:11px;color:var(--ink-3);
    letter-spacing:.1em;
}
.feat-cover-num{
    position:relative;z-index:1;
    font-size:48px;font-weight:700;color:var(--accent);
    font-family:var(--sans);letter-spacing:-.03em;line-height:1;
}
.feat-body{
    padding:24px 28px 28px;
}
.feat-tag-row{
    display:flex;align-items:center;gap:12px;margin-bottom:14px;
}
.feat-tag{
    font-size:11px;color:var(--accent);font-weight:600;
    letter-spacing:.06em;text-transform:uppercase;
}
.feat-date{
    font-size:11px;color:var(--ink-3);font-family:var(--mono);
}
.feat-title{
    font-size:24px;font-weight:700;color:var(--ink);
    line-height:1.25;letter-spacing:-.02em;
    margin-bottom:12px;
}
a.feat-title:hover{color:var(--accent)}
.feat-desc{
    font-size:14px;color:var(--ink-2);line-height:1.6;margin-bottom:18px;
}
.feat-meta{
    display:flex;align-items:center;gap:16px;
    padding-top:14px;border-top:1px solid var(--rule);
    font-size:12px;color:var(--ink-3);
}
.feat-meta .author{color:var(--ink);font-weight:500}
.feat-arr{
    position:absolute;top:28px;right:28px;
    color:var(--ink-3);font-size:18px;
    transition:all .2s var(--ease);
    z-index:1;
}
/* 有真实配图时的封面 */
.cover-img{background-size:cover;background-position:center}
.cover-img .feat-cover-mark,
.cover-img .feat-cover-num,
.cover-img .news-cover-id{opacity:0}
.cover-img::before{opacity:.15}

/* =========================================================
   NEWS LIST — 密集文章网格
   ========================================================= */
.news-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:1px;
    background:var(--rule);
    border:1px solid var(--rule);
}
.news-card{
    background:var(--bg);
    cursor:pointer;
    transition:background .2s var(--ease);
    display:flex;flex-direction:column;
    position:relative;
    min-height:280px;
}
.news-card:hover{background:var(--surface)}
.news-card:hover .news-arr{color:var(--accent);transform:translateX(4px)}
.news-cover{
    aspect-ratio:16/9;
    background:linear-gradient(135deg, #1A1A1A 0%, #0D0D0D 100%);
    border-bottom:1px solid var(--rule);
    position:relative;
    overflow:hidden;
    padding:14px;
    display:flex;align-items:end;
}
.news-cover::before{
    content:"";position:absolute;top:0;left:0;right:0;bottom:0;
    background-image:
        linear-gradient(var(--rule-2) 1px, transparent 1px),
        linear-gradient(90deg, var(--rule-2) 1px, transparent 1px);
    background-size:20px 20px;
    opacity:.35;
}
.news-cover-id{
    position:relative;z-index:1;
    font-family:var(--mono);font-size:11px;color:var(--ink-3);
    letter-spacing:.06em;
}
.news-cover-tag{
    position:absolute;top:14px;left:14px;z-index:1;
    font-size:10px;color:var(--accent);font-weight:600;
    letter-spacing:.08em;text-transform:uppercase;
    background:rgba(13,13,13,.85);
    padding:4px 8px;border:1px solid var(--accent);
    border-radius:3px;
}
.news-body{
    padding:18px 20px 20px;
    flex:1;display:flex;flex-direction:column;
}
.news-title{
    font-size:16px;font-weight:600;color:var(--ink);
    line-height:1.35;letter-spacing:-.01em;margin-bottom:10px;
}
a.news-title:hover{color:var(--accent)}
.news-desc{
    font-size:13px;color:var(--ink-2);line-height:1.55;flex:1;margin-bottom:14px;
}
.news-meta{
    display:flex;align-items:center;justify-content:space-between;
    padding-top:12px;border-top:1px solid var(--rule);
    font-size:11px;color:var(--ink-3);
    font-family:var(--mono);letter-spacing:.04em;
}
.news-meta .author{color:var(--ink-2);font-family:var(--sans)}
.news-arr{
    position:absolute;top:14px;right:14px;
    color:var(--ink-3);font-size:14px;
    transition:all .2s var(--ease);
    z-index:2;
    background:rgba(13,13,13,.7);
    width:28px;height:28px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:3px;
}

/* =========================================================
   PAGINATION
   ========================================================= */
.pagination{
    display:flex;align-items:center;justify-content:space-between;
    padding:32px 0 8px;
    margin-top:24px;
    border-top:1px solid var(--rule);
}
.pagination-info{
    font-size:13px;color:var(--ink-2);
}
.pagination-info b{color:var(--ink);font-weight:600}
.pagination-pages{
    display:flex;align-items:center;gap:4px;
}
.pagination-pages a{
    min-width:36px;height:36px;padding:0 10px;
    display:inline-flex;align-items:center;justify-content:center;
    background:transparent;color:var(--ink-2);
    font-size:13px;font-weight:500;
    border:1px solid var(--rule);
    border-radius:4px;
    transition:all .2s var(--ease);
}
.pagination-pages a:hover{color:var(--ink);border-color:var(--ink-4);background:var(--surface)}
.pagination-pages a.active{
    background:var(--accent);border-color:var(--accent);color:#fff;
}
.pagination-pages a.disabled{
    opacity:.4;pointer-events:none;
}
.pagination-pages .dots{
    color:var(--ink-3);padding:0 4px;font-family:var(--mono);
}

/* =========================================================
   NEWSLETTER SUBSCRIBE
   ========================================================= */
.subscribe-band{
    border-bottom:1px solid var(--rule);
    background:var(--bg-2);
}
.subscribe-inner{
    max-width:1440px;margin:0 auto;
    padding:56px 40px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:48px;
    align-items:center;
}
.subscribe-copy h3{
    font-size:28px;font-weight:700;color:var(--ink);
    letter-spacing:-.02em;line-height:1.15;margin-bottom:10px;
}
.subscribe-copy h3 .hl{color:var(--accent)}
.subscribe-copy p{
    font-size:14px;color:var(--ink-2);line-height:1.55;
    max-width:460px;
}
.subscribe-form{
    display:flex;align-items:center;gap:8px;
    background:var(--surface);
    border:1px solid var(--rule);
    border-radius:6px;
    padding:6px;
    flex-wrap:wrap;
    transition:border-color .2s var(--ease);
}
.subscribe-form:focus-within{border-color:var(--accent)}
.subscribe-form input{
    flex:1;background:transparent;border:0;outline:0;
    padding:12px 14px;font-size:14px;color:var(--ink);
}
.subscribe-form input::placeholder{color:var(--ink-3)}
.subscribe-form button{
    background:var(--accent);color:#fff;
    padding:12px 22px;font-size:13px;font-weight:600;
    border-radius:4px;
    transition:background .2s var(--ease);
    display:inline-flex;align-items:center;gap:8px;
}
.subscribe-form button:hover{background:var(--accent-hi)}
.subscribe-form button::after{content:"→";font-size:14px}
.subscribe-status{
    margin-top:10px;font-size:12px;color:var(--accent);
    min-height:1em;display:none;
    width:100%;
}
.subscribe-status[data-state="ok"]{display:block}
.subscribe-status[data-state="err"]{display:block;color:var(--ink-2)}

/* =========================================================
   ARTICLE — 新闻详情
   ========================================================= */
.article-hero{
    border-bottom:1px solid var(--rule);
    background:var(--bg);
}
.article-hero-inner{
    max-width:1320px;margin:0 auto;
    padding:64px 40px 36px;
}
.article-hero h1{
    font-size:clamp(30px,3.4vw,46px);
    font-weight:700;line-height:1.18;letter-spacing:-.025em;
    color:var(--ink);margin:16px 0 20px;
}
.article-hero-sub{font-size:17px;line-height:1.6;color:var(--ink-2);margin:0}
.article-tag-row{display:flex;align-items:center;gap:12px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag-row span{
    font-size:12px;color:var(--ink-2);font-family:var(--mono);
    border:1px solid var(--rule);border-radius:999px;padding:5px 12px;
}
.article-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px;
    font-size:12px;color:var(--ink-3);font-family:var(--mono);
}
.article-meta .author{color:var(--ink-2);font-family:var(--sans)}
.article-cover{
    max-width:1440px;margin:0 auto;
    padding:0 40px;
}
.article-cover img{
    width:100%;max-height:520px;object-fit:cover;
    display:block;border:1px solid var(--rule);
}
.article-wrap{
    max-width:1320px;margin:0 auto;
    padding:40px 40px 64px;
}
/* 导语 */
.article-wrap .lead{
    font-size:17px;line-height:1.6;color:var(--ink);
    margin:0 0 28px;padding-bottom:24px;
    border-bottom:1px solid var(--rule);
}
/* 富文本正文（content 为 HTML 字符串） */
.prose{font-size:15px;line-height:1.85;color:var(--ink-2)}
.prose h1,.prose h2,.prose h3,.prose h4{
    color:var(--ink);font-weight:700;line-height:1.3;
    margin:32px 0 14px;letter-spacing:-.01em;
}
.prose h1{font-size:26px}
.prose h2{font-size:22px}
.prose h3{font-size:18px}
.prose h4{font-size:16px}
.prose p{margin:0 0 18px}
.prose strong,.prose b{color:var(--ink);font-weight:600}
.prose a{color:var(--accent)}
.prose a:hover{color:var(--accent-hi)}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{margin-bottom:8px}
.prose img{max-width:100%;height:auto;border:1px solid var(--rule);margin:8px 0}
.prose blockquote{
    border-left:2px solid var(--accent);
    padding:6px 0 6px 18px;margin:0 0 18px;color:var(--ink);
}
.prose table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:13px}
.prose th,.prose td{border:1px solid var(--rule);padding:10px 12px;text-align:left}
.prose th{color:var(--ink);background:var(--surface)}
.prose hr{border:0;border-top:1px solid var(--rule);margin:28px 0}
.prose code{
    font-family:var(--mono);font-size:13px;
    background:var(--surface);border:1px solid var(--rule);
    padding:1px 6px;border-radius:3px;color:var(--ink);
}
.prose pre{
    background:var(--surface);border:1px solid var(--rule);
    padding:16px;overflow:auto;margin:0 0 18px;border-radius:4px;
}
.prose pre code{background:none;border:0;padding:0}

/* 上一篇 / 下一篇 */
.article-nav{
    max-width:1440px;margin:0 auto;
    padding:0 40px 64px;
    display:grid;grid-template-columns:1fr 1fr;gap:1px;
    background:var(--rule);
}
.article-nav .an-item{
    background:var(--bg);padding:22px 24px;
    transition:background .2s var(--ease);
    display:block;
}
.article-nav .an-item:hover{background:var(--surface)}
.article-nav .an-label{
    display:block;font-size:11px;color:var(--ink-3);
    font-family:var(--mono);letter-spacing:.08em;margin-bottom:8px;
}
.article-nav .an-title{
    font-size:15px;color:var(--ink);font-weight:600;line-height:1.4;
}
.article-nav .an-item:hover .an-title{color:var(--accent)}
.article-nav .an-item.next{text-align:right}

/* =========================================================
   MOBILE
   ========================================================= */
@media (max-width:900px){
    .nav-inner{height:56px;padding:0 20px}
    .nav-menu{display:none}
    .bread-inner{flex-direction:column;align-items:flex-start;gap:12px;padding:12px 20px}
    .hero-inner{grid-template-columns:1fr;gap:36px;padding:48px 20px}
    .hero h1{font-size:36px}
    .hero-sub{font-size:16px}
    .hero-meta{flex-wrap:wrap;gap:14px}
    .sec-inner{padding:0 20px}
    .sec{padding:48px 0}
    .sec-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px}
    .sec-title{font-size:22px}
    .case-grid{grid-template-columns:1fr}
    .stats{grid-template-columns:1fr}
    .stat{padding:32px 24px}
    .stat-num{font-size:64px}
    .flow{grid-template-columns:repeat(2,1fr)}
    .method-grid{grid-template-columns:1fr}
    .cta-inner{grid-template-columns:1fr;gap:36px;padding:48px 20px}
    .form{padding:24px 20px}
    .field-row{grid-template-columns:1fr;gap:0}
    .foot-inner{grid-template-columns:1fr 1fr;gap:28px;padding:0 20px 28px}
    .foot-brand{grid-column:1/-1}
    .foot-bot{flex-direction:column;align-items:flex-start;padding:18px 20px 0}

    .news-hero-inner{grid-template-columns:1fr;gap:28px;padding:48px 20px 32px}
    .news-hero h1{font-size:36px}
    .news-hero-stats{grid-template-columns:1fr}
    .news-hero-stats .stat-cell{border-right:0;border-bottom:1px solid var(--rule)}
    .news-hero-stats .stat-cell:last-child{border-bottom:0}
    .featured{grid-template-columns:1fr}
    .news-grid{grid-template-columns:1fr}
    .pagination{flex-direction:column;align-items:flex-start;gap:14px}
    .subscribe-inner{grid-template-columns:1fr;gap:20px;padding:40px 20px}
    .pagination-pages a{min-width:32px;height:32px;font-size:12px}

    .article-hero-inner{padding:40px 20px 28px}
    .article-cover{padding:0 20px}
    .article-wrap{padding:28px 20px 48px}
    .article-nav{grid-template-columns:1fr;padding:0 20px 48px}

    .filter{gap:4px}
    .filter button{padding:6px 12px;font-size:12px}
}