/* ═══════════════════════════════════════════
   article.css — 新闻/案例详情「社论奢华」精排版
   依赖 main.css 的 :root 变量（--serif/--sans/--red/--gold/--t* 等）
═══════════════════════════════════════════ */

.article{position:relative;z-index:1;overflow:hidden}

/* 顶部氛围光 */
.article::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:120%;height:620px;pointer-events:none;z-index:-1;
  background:
    radial-gradient(ellipse 60% 100% at 50% 0%, rgba(201,168,76,.10), transparent 70%),
    radial-gradient(ellipse 40% 80%  at 50% 0%, rgba(204,0,0,.07),  transparent 65%);
}

/* 阅读进度条改为金→红 */
.read-progress{background:linear-gradient(90deg,var(--gold),var(--red))!important}

/* ── 文章头部 ── */
.art-hero{
  max-width:880px;margin:0 auto;
  padding:calc(var(--nav-h) + 64px) 24px 0;
  text-align:center;
}
.art-breadcrumb{
  display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;
  font-size:12px;color:var(--t3);letter-spacing:.03em;margin-bottom:40px;
}
.art-breadcrumb a{color:var(--t3);transition:color .3s}
.art-breadcrumb a:hover{color:var(--gold)}
.art-breadcrumb .sep{opacity:.5}

.art-eyebrow{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:26px}
.art-eyebrow::before,.art-eyebrow::after{content:'';width:40px;height:1px}
.art-eyebrow::before{background:linear-gradient(90deg,transparent,var(--gold))}
.art-eyebrow::after{background:linear-gradient(90deg,var(--gold),transparent)}
.art-eyebrow span{font-size:11px;letter-spacing:.3em;color:var(--gold);text-transform:uppercase;white-space:nowrap}

.art-title{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(31px,4.4vw,60px);line-height:1.16;letter-spacing:-.01em;
  color:#fff;margin:0 auto;max-width:38ch;
}
.art-title em{font-style:italic;color:var(--gold)}

.art-meta{
  display:inline-flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center;
  margin-top:30px;padding-top:24px;position:relative;
  font-size:12.5px;color:var(--t3);letter-spacing:.04em;
}
.art-meta::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:64px;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.art-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--t4)}
.art-meta strong{color:var(--t2);font-weight:400}

.art-standfirst{
  font-family:var(--serif);font-style:italic;font-weight:300;
  font-size:clamp(17px,1.7vw,21px);line-height:1.85;color:var(--t2);
  max-width:640px;margin:30px auto 0;
}

.art-share{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:34px}
.art-share span{font-size:11px;letter-spacing:.18em;color:var(--t3);text-transform:uppercase}
.art-share button{
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--border-md);color:var(--t2);
  cursor:pointer;transition:all .3s;
}
.art-share button:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}

/* ── 装饰分隔（菱形 + 金线）── */
.art-rule{display:flex;align-items:center;justify-content:center;gap:18px;margin:54px auto;max-width:300px}
.art-rule::before,.art-rule::after{content:'';height:1px;flex:1;background:linear-gradient(90deg,transparent,rgba(201,168,76,.5))}
.art-rule::after{background:linear-gradient(90deg,rgba(201,168,76,.5),transparent)}
.art-rule i{width:7px;height:7px;background:var(--gold);transform:rotate(45deg);opacity:.85}

/* ── 封面 ── */
.art-cover{max-width:1040px;margin:0 auto 8px;padding:0 24px}
.art-cover-inner{
  position:relative;overflow:hidden;border-radius:3px;
  border:1px solid rgba(201,168,76,.18);
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9), 0 0 0 1px rgba(255,255,255,.02) inset;
}
.art-cover img{
  width:100%;max-height:560px;object-fit:cover;display:block;
  filter:brightness(.92) saturate(.92);transition:transform 1.2s cubic-bezier(.2,.6,.2,1);
}
.art-cover:hover img{transform:scale(1.03)}
.art-cover figcaption{text-align:center;font-family:var(--serif);font-style:italic;font-size:13px;color:var(--t3);margin-top:14px}

/* ── 正文排版 ── */
.art-body{
  max-width:720px;margin:0 auto;padding:48px 24px 8px;
  font-family:var(--sans);font-size:17px;font-weight:300;line-height:1.95;
  color:rgba(255,255,255,.82);
}
.art-body > *:first-child{margin-top:0}
.art-body p{margin:0 0 26px;letter-spacing:.005em}

/* 首字下沉（仅当正文首元素为段落时生效） */
.art-body > p:first-child::first-letter{
  font-family:var(--serif);float:left;font-size:74px;line-height:.78;font-weight:400;
  color:var(--gold);margin:6px 16px 0 0;
}

.art-body h2{
  font-family:var(--serif);font-weight:400;color:#fff;
  font-size:clamp(23px,2.6vw,30px);line-height:1.3;
  margin:56px 0 20px;padding-top:22px;position:relative;
}
.art-body h2::before{
  content:'';position:absolute;top:0;left:0;width:42px;height:2px;
  background:linear-gradient(90deg,var(--gold),transparent);
}
.art-body h3{
  font-family:var(--sans);font-weight:500;color:#fff;
  font-size:18px;letter-spacing:.01em;margin:38px 0 14px;
}
.art-body h4{font-weight:500;color:var(--t1);font-size:16px;margin:28px 0 12px}

.art-body strong{color:#fff;font-weight:500}
.art-body em{font-style:italic}
.art-body a{color:var(--red);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color .25s}
.art-body a:hover{color:#ff5a5a}

/* 列表：金色短横标记 */
.art-body ul,.art-body ol{margin:0 0 26px;padding:0;list-style:none}
.art-body ul li,.art-body ol li{position:relative;padding-left:30px;margin-bottom:12px;line-height:1.85}
.art-body ul li::before{
  content:'';position:absolute;left:2px;top:14px;width:12px;height:1px;background:var(--gold);
}
.art-body ol{counter-reset:ol}
.art-body ol li{counter-increment:ol}
.art-body ol li::before{
  content:counter(ol);position:absolute;left:0;top:0;
  font-family:var(--serif);font-size:14px;color:var(--gold);font-style:italic;
}

.art-body blockquote{
  position:relative;margin:38px 0;padding:6px 0 6px 30px;
  border-left:2px solid var(--gold);
  font-family:var(--serif);font-style:italic;font-size:21px;line-height:1.7;color:#fff;
}
.art-body blockquote p{margin:0}
.art-body blockquote::before{
  content:'\201C';position:absolute;left:18px;top:-22px;
  font-family:var(--serif);font-size:64px;color:rgba(201,168,76,.18);
}

.art-body img{width:100%;display:block;margin:36px 0;border:1px solid rgba(255,255,255,.08);border-radius:2px}
.art-body figure{margin:36px 0}
.art-body figure img{margin:0}
.art-body figcaption{text-align:center;font-family:var(--serif);font-style:italic;font-size:13px;color:var(--t3);margin-top:12px}

.art-body pre{background:var(--surface);border:0.5px solid var(--border);padding:20px;overflow-x:auto;border-radius:2px;margin:26px 0}
.art-body code{background:var(--surface);border:0.5px solid var(--border);padding:2px 7px;font-size:14px;border-radius:2px}
.art-body pre code{border:0;padding:0;background:none}

.art-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:14px}
.art-body th,.art-body td{border:0.5px solid var(--border);padding:12px 16px;text-align:left}
.art-body th{background:var(--surface);color:#fff;font-weight:500}

/* 篇末花饰 */
.art-endmark{display:flex;align-items:center;justify-content:center;gap:14px;max-width:720px;margin:8px auto 0;padding:0 24px}
.art-endmark::before,.art-endmark::after{content:'';width:46px;height:1px;background:rgba(201,168,76,.4)}
.art-endmark i{
  width:26px;height:26px;border:1px solid rgba(201,168,76,.5);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:13px;color:var(--gold);
}

/* 标签 */
.art-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:720px;margin:40px auto 0;padding:0 24px}
.art-tag{font-size:12px;color:var(--t2);border:1px solid var(--border-md);padding:6px 14px;border-radius:999px;transition:all .25s}
.art-tag:hover{border-color:var(--gold);color:var(--gold)}

/* 上/下篇 */
.art-foot-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--border);border:0.5px solid var(--border);
  max-width:760px;margin:72px auto 0;
}
.art-foot-nav a,.art-foot-nav span.empty{display:block;background:var(--deep);padding:26px 28px;min-height:96px;transition:background .35s}
.art-foot-nav a:hover{background:var(--surface)}
.art-foot-nav .lbl{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.art-foot-nav .ttl{font-size:15px;color:var(--t1);line-height:1.5;transition:color .3s}
.art-foot-nav a:hover .ttl{color:#fff}
.art-foot-nav .nxt{text-align:right}

/* 相关 */
.art-related{border-top:0.5px solid var(--border);margin-top:90px}
.art-related .label{justify-content:center}
.art-related-head{text-align:center;margin-bottom:40px}

/* 入场动画 */
@keyframes artUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.art-hero > *{animation:artUp .9s cubic-bezier(.2,.7,.2,1) both}
.art-hero .art-breadcrumb{animation-delay:.02s}
.art-hero .art-eyebrow{animation-delay:.10s}
.art-hero .art-title{animation-delay:.18s}
.art-hero .art-meta{animation-delay:.30s}
.art-hero .art-standfirst{animation-delay:.40s}
.art-hero .art-share{animation-delay:.50s}
.art-cover{animation:artUp 1s cubic-bezier(.2,.7,.2,1) both;animation-delay:.46s}
@media(prefers-reduced-motion:reduce){.art-hero>*,.art-cover{animation:none}}

/* 响应式 */
@media(max-width:767px){
  .art-hero{padding-top:calc(var(--nav-h) + 36px)}
  .art-body{font-size:16px;padding-top:36px}
  .art-body > p:first-child::first-letter{font-size:58px}
  .art-foot-nav{grid-template-columns:1fr}
  .art-foot-nav .nxt{text-align:left}
  .art-rule{margin:40px auto}
}
/* ═══════════════════════════════════════════
   案例详情专用（复用 .article 体系）
═══════════════════════════════════════════ */
/* 项目参数条 */
.art-spec{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:stretch;
  max-width:840px;margin:46px auto 0;padding:0 24px;
}
.art-spec-inner{
  display:flex;flex-wrap:wrap;justify-content:center;width:100%;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.art-spec-item{padding:20px 40px;text-align:center;position:relative;flex:1 1 auto;min-width:120px}
.art-spec-item + .art-spec-item::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:38px;background:linear-gradient(180deg,transparent,rgba(201,168,76,.4),transparent);
}
.art-spec-label{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:9px}
.art-spec-value{font-family:var(--serif);font-size:19px;color:#fff;font-weight:400;line-height:1.3}

/* 咨询 CTA */
.art-cta{max-width:720px;margin:66px auto 0;padding:0 24px;text-align:center}
.art-cta-inner{
  position:relative;padding:50px 34px;
  border:1px solid rgba(201,168,76,.22);
  background:linear-gradient(180deg, rgba(201,168,76,.05), rgba(204,0,0,.03) 60%, transparent);
}
.art-cta-inner::before,.art-cta-inner::after{
  content:'';position:absolute;width:14px;height:14px;border:1px solid var(--gold);opacity:.6;
}
.art-cta-inner::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.art-cta-inner::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.art-cta h3{font-family:var(--serif);font-weight:300;font-size:clamp(22px,2.6vw,30px);color:#fff;margin:0 0 10px}
.art-cta p{font-size:14px;color:var(--t2);margin:0 0 26px}

@media(max-width:767px){
  .art-spec-item{padding:16px 20px;flex-basis:50%}
  .art-spec-item + .art-spec-item::before{display:none}
  .art-cta-inner{padding:38px 22px}
}
/* ═══════════════════════════════════════════
   文档式详情布局（参考政企案例页，套用汇能暗金风）
   用于案例 / 新闻详情，类名 .doc-*
═══════════════════════════════════════════ */
.doc{position:relative;z-index:1}

/* 标题区（居中）*/
.doc-head{max-width:1040px;margin:0 auto;padding:calc(var(--nav-h) + 38px) 24px 0;text-align:center}
.doc-crumb{display:flex;gap:8px;justify-content:flex-start;flex-wrap:wrap;font-size:13px;color:var(--t3);margin-bottom:38px;letter-spacing:.02em}
.doc-crumb a{color:var(--t3);transition:color .3s}
.doc-crumb a:hover{color:var(--gold)}
.doc-crumb .sep{opacity:.45}
.doc-cat{display:inline-block;font-size:11px;letter-spacing:.24em;color:var(--gold);text-transform:uppercase;margin-bottom:18px}
.doc-title{font-family:var(--serif);font-weight:400;font-size:clamp(28px,3.8vw,48px);line-height:1.26;color:#fff;margin:0 auto;max-width:22ch}
.doc-title-rule{width:56px;height:2px;background:linear-gradient(90deg,var(--gold),var(--red));margin:22px auto 0}

/* 信息条（参考图里的灰条）*/
.doc-meta{
  max-width:1040px;margin:32px auto 0;
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px 0;
  background:var(--surface);border:1px solid var(--border);border-radius:3px;
  padding:16px 20px;
}
.doc-meta .item{display:inline-flex;align-items:center;gap:9px;padding:2px 28px;position:relative;font-size:13.5px}
.doc-meta .item + .item::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:16px;background:var(--border-md)}
.doc-meta .lbl{color:var(--gold);font-size:12px;letter-spacing:.06em}
.doc-meta .val{color:#fff}

/* 正文容器 */
.doc-wrap{max-width:860px;margin:0 auto;padding:46px 24px 0}
.doc-lead{
  font-size:16.5px;color:var(--t1);line-height:2.05;text-indent:2em;
  margin:0 0 32px;padding-bottom:32px;border-bottom:1px solid var(--border);
}
.doc-figure{margin:0 0 36px}
.doc-figure img{
  width:100%;display:block;border:1px solid rgba(201,168,76,.16);border-radius:3px;
  box-shadow:0 34px 80px -42px rgba(0,0,0,.92);
}
.doc-figure figcaption{text-align:center;font-family:var(--serif);font-style:italic;font-size:13px;color:var(--t3);margin-top:14px}

/* 正文：中文文档式（段落首行缩进）*/
.doc-body{font-family:var(--sans);font-size:16.5px;font-weight:300;line-height:2.05;color:rgba(255,255,255,.84)}
.doc-body > *:first-child{margin-top:0}
.doc-body p{margin:0 0 22px;text-indent:2em}
.doc-body h2{
  font-family:var(--serif);font-weight:400;color:#fff;font-size:clamp(21px,2.4vw,27px);line-height:1.4;
  margin:46px 0 18px;padding-left:16px;border-left:3px solid var(--red);text-indent:0;
}
.doc-body h3{font-weight:500;color:#fff;font-size:18px;margin:32px 0 12px;text-indent:0}
.doc-body h4{font-weight:500;color:var(--t1);font-size:16px;margin:24px 0 10px;text-indent:0}
.doc-body ul,.doc-body ol{margin:0 0 22px;padding-left:2em;text-indent:0}
.doc-body li{margin-bottom:10px;line-height:1.9}
.doc-body ul li{list-style:none;position:relative;padding-left:20px}
.doc-body ul li::before{content:'';position:absolute;left:0;top:15px;width:9px;height:1px;background:var(--gold)}
.doc-body ol{list-style:decimal}
.doc-body ol li{color:var(--t2)}
.doc-body blockquote{
  margin:28px 0;padding:16px 24px;background:var(--surface);border-left:3px solid var(--gold);
  color:var(--t1);font-size:15.5px;line-height:1.9;text-indent:0;
}
.doc-body blockquote p{text-indent:0;margin:0}
.doc-body img{width:100%;margin:28px 0;border:1px solid var(--border);border-radius:2px}
.doc-body figure{margin:28px 0;text-indent:0}
.doc-body figure img{margin:0}
.doc-body strong{color:#fff;font-weight:500}
.doc-body em{font-style:italic}
.doc-body a{color:var(--red);text-decoration:underline;text-underline-offset:3px}
.doc-body pre{background:var(--surface);border:0.5px solid var(--border);padding:18px;overflow-x:auto;border-radius:2px;margin:24px 0;text-indent:0}
.doc-body code{background:var(--surface);border:0.5px solid var(--border);padding:2px 7px;font-size:14px;border-radius:2px}
.doc-body pre code{border:0;padding:0;background:none}
.doc-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;text-indent:0}
.doc-body th,.doc-body td{border:1px solid var(--border);padding:11px 15px;text-align:left}
.doc-body th{background:var(--surface);color:#fff;font-weight:500}

/* 媒体/标签在文档内宽度对齐 */
.doc-wrap .media-video,.doc-wrap .media-attachments{max-width:100%;padding:0}
.doc-tags{display:flex;flex-wrap:wrap;gap:8px;margin:36px 0 0}
.doc-tags .tag{font-size:12px;color:var(--t2);border:1px solid var(--border-md);padding:6px 14px;border-radius:999px;transition:all .25s}
.doc-tags .tag:hover{border-color:var(--gold);color:var(--gold)}

@media(max-width:767px){
  .doc-head{padding-top:calc(var(--nav-h) + 28px)}
  .doc-meta .item{padding:2px 16px}
  .doc-meta .item + .item::before{display:none}
  .doc-body{font-size:16px}
  .doc-wrap{padding-top:36px}
}
/* ═══════════════════════════════════════════
   案例效果图轮播（自动播放，淡入切换）
═══════════════════════════════════════════ */
.doc-carousel{
  position:relative;margin:0 0 36px;border:1px solid rgba(201,168,76,.16);border-radius:3px;
  overflow:hidden;box-shadow:0 34px 80px -42px rgba(0,0,0,.92);background:#0c0c0c;
}
.doc-carousel-track{position:relative;width:100%;aspect-ratio:16/9}
.doc-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;pointer-events:none}
.doc-slide.active{opacity:1;pointer-events:auto}
.doc-slide img{width:100%;height:100%;object-fit:cover;display:block}
.doc-cnav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:46px;height:46px;border-radius:50%;border:1px solid rgba(201,168,76,.45);
  background:rgba(8,8,8,.5);color:#fff;font-size:24px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .3s;backdrop-filter:blur(3px);
}
.doc-cnav:hover{background:var(--red);border-color:var(--red)}
.doc-cprev{left:16px}
.doc-cnext{right:16px}
.doc-counter{
  position:absolute;top:14px;right:16px;z-index:3;font-size:12px;color:#fff;letter-spacing:.06em;
  background:rgba(8,8,8,.55);border:1px solid var(--border-md);padding:4px 11px;border-radius:999px;backdrop-filter:blur(3px);
}
.doc-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:8px}
.doc-dot{width:8px;height:8px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:all .35s}
.doc-dot.active{background:var(--gold);width:24px;border-radius:4px}
@media(max-width:767px){
  .doc-cnav{width:38px;height:38px;font-size:20px}
  .doc-cprev{left:10px}.doc-cnext{right:10px}
}
/* ── 移动端精修 V3（追加到 article.css 末尾）── */
@media(max-width:480px){
  .art-body{ font-size:16px; }
  .art-body > p:first-child::first-letter{ font-size:56px; margin:4px 12px 0 0; }
  .art-cta-inner{ padding:34px 20px; }
}
@media(prefers-reduced-motion:reduce){
  .art-cover img,.doc-slide,.doc-dot,.doc-cnav,.art-share button{ transition:none !important; }
  .art-cover:hover img{ transform:none; }
}