/* =========================================================================
   爱翻译 aifanyi-bb.com.cn —— 「琥珀词典 · 词条万国」Amber Dictionary
   暖调深色:深咖黑底 + 琥珀金/蜜金 + 羊皮纸米白 + 赭红 + 深褐边框
   左对齐词典词条大卡 hero + A–Z 字母索引条 + 多语言对照表
   ========================================================================= */

:root{
  --amber:#E8A33D;        /* 琥珀金(主色,对齐暖调) */
  --amber-light:#F0C066;  /* 蜜金 */
  --ochre:#C0563A;        /* 赭红(强调) */
  --amber-deep:#B26A1B;   /* 深琥珀(渐变深端) */
  --bg:#20160E;           /* 深咖黑底 */
  --panel:#2B2015;        /* 面板深咖 */
  --panel-2:#33271A;      /* 稍亮面板 */
  --ink:#F3E9D8;          /* 羊皮纸米白(主文字) */
  --muted:#C9B896;        /* 次级米棕 */
  --muted-2:#9C8A67;      /* 更淡米棕 */
  --border:#4A3A28;       /* 深褐边框 */
  --grad:linear-gradient(90deg,#E8A33D 0%,#F0C066 50%,#C0563A 100%);
  --grad-soft:linear-gradient(135deg,#E8A33D 0%,#B26A1B 100%);
  --shadow:0 8px 30px rgba(0,0,0,.35);
  --shadow-lg:0 20px 50px rgba(0,0,0,.5);
  --radius:12px;
  --max:1160px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--amber);text-decoration:none}
a:hover{color:var(--amber-light)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------------- 顶部导航(深色吸顶 + 琥珀下划线高亮) ---------------- */
.pnav{
  position:sticky;top:0;z-index:100;
  background:rgba(32,22,14,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.pnav-inner{display:flex;align-items:center;gap:26px;height:68px}
.pnav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.pnav-logo-img{width:30px;height:30px;border-radius:8px;flex-shrink:0}
.pnav-word{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.pnav-sub{font-size:12px;color:var(--muted-2);padding-left:10px;border-left:1px solid var(--border)}
.pnav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.pnav-item{
  position:relative;
  padding:8px 16px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink);
  transition:background .2s,color .2s;
}
.pnav-item:hover{background:rgba(232,163,61,.12);color:var(--amber)}
.pnav-item.on{color:var(--amber);font-weight:700}
.pnav-item.on::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--amber)}
.pnav-top{display:inline-flex;align-items:center;gap:6px;color:inherit;font-weight:inherit}
.pnav-top .caret{font-size:10px;opacity:.7;transition:transform .2s}
.has-sub:hover .caret,.has-sub:focus-within .caret{transform:rotate(180deg)}
.pnav-menu{
  position:absolute;top:calc(100% + 8px);left:0;min-width:168px;padding:6px;
  background:var(--panel);border:1px solid var(--border);border-radius:12px;
  box-shadow:0 18px 44px rgba(0,0,0,.55);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s,transform .18s,visibility .18s;
  z-index:120;
}
.pnav-menu::before{content:"";position:absolute;top:-8px;left:0;right:0;height:8px}
.has-sub:hover .pnav-menu,.has-sub:focus-within .pnav-menu{opacity:1;visibility:visible;transform:translateY(0)}
.pnav-sub-item{display:block;padding:9px 14px;border-radius:8px;font-size:14px;color:var(--ink);font-weight:500;white-space:nowrap}
.pnav-sub-item:hover{background:rgba(232,163,61,.14);color:var(--amber)}
.pnav-cta{
  flex-shrink:0;padding:9px 20px;border-radius:8px;font-size:14px;font-weight:700;color:#20160E;
  background:var(--amber);box-shadow:0 4px 14px rgba(232,163,61,.28);
  transition:transform .15s,box-shadow .15s,background .15s;
}
.pnav-cta:hover{color:#20160E;background:var(--amber-light);transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,163,61,.4)}

/* ---------------- 按钮(琥珀金方形 8px 直角 + 描边次按钮) ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 30px;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;transition:all .18s;line-height:1.2}
.btn-primary{background:var(--grad-soft);color:#20160E;box-shadow:0 10px 28px rgba(232,163,61,.28)}
.btn-primary:hover{color:#20160E;transform:translateY(-2px);box-shadow:0 16px 36px rgba(232,163,61,.4)}
.btn-ghost{border:2px solid var(--amber);color:var(--amber);background:transparent}
.btn-ghost:hover{background:rgba(232,163,61,.08);color:var(--amber-light)}
.btn-link{position:relative;color:var(--amber);font-weight:600;padding:14px 4px;font-size:16px}
.btn-link::after{content:"";position:absolute;left:0;bottom:10px;width:100%;height:3px;border-radius:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s}
.btn-link:hover{color:var(--amber-light)}
.btn-link:hover::after{transform:scaleX(1)}

/* ---------------- 页脚(深咖 + 琥珀条) ---------------- */
.pfoot{background:#150E08;color:var(--muted);margin-top:0}
.pfoot-strip{height:5px;background:var(--grad)}
.pfoot-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:26px 24px;flex-wrap:wrap}
.pfoot-brand{font-size:16px;font-weight:700;color:var(--ink)}
.pfoot-brand em{font-style:normal;font-size:13px;font-weight:400;color:var(--muted-2);margin-left:8px}
.pfoot-copy{font-size:13px;color:var(--muted-2)}

/* ---------------- 返回顶部 ---------------- */
.backtop{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:8px;
  border:none;background:var(--grad-soft);color:#20160E;font-size:20px;cursor:pointer;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s;z-index:90;
}
.backtop.show{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------------- 首页 hero(左对齐 + 词条大卡 + 暖调虚化底图) ---------------- */
.phero{position:relative;min-height:90vh;display:flex;align-items:center;overflow:hidden;color:var(--ink)}
.phero-bg{position:absolute;inset:0;z-index:0}
.phero-bg img{width:100%;height:100%;object-fit:cover;filter:blur(6px) sepia(.42) saturate(1.35) brightness(.72);transform:scale(1.08)}
.phero-veil{position:absolute;inset:0;background:linear-gradient(115deg,rgba(32,22,14,.9) 0%,rgba(43,32,21,.68) 50%,rgba(120,72,26,.4) 100%)}
.phero-inner{position:relative;z-index:2;padding:76px 24px 72px;max-width:var(--max);margin:0 auto;text-align:left}
.phero-eyebrow{display:inline-block;padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;color:var(--amber-light);background:rgba(232,163,61,.12);border:1px solid rgba(232,163,61,.35);margin-bottom:22px}
.phero-title{font-size:58px;line-height:1.08;font-weight:800;color:var(--ink);letter-spacing:1px}
.phero-accent{background:linear-gradient(90deg,#F0C066,#E8A33D,#C0563A);-webkit-background-clip:text;background-clip:text;color:transparent}
.phero-sub{font-size:18px;color:rgba(243,233,216,.82);margin:20px 0 26px;max-width:620px}
.phero-actions{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.phero-plats{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.phero-plats span{font-size:12px;color:rgba(243,233,216,.85);padding:5px 14px;border-radius:999px;border:1px solid rgba(232,163,61,.35);background:rgba(232,163,61,.08)}

/* 词典词条大卡(招牌) */
.dict-card{
  margin-top:34px;max-width:560px;
  background:linear-gradient(160deg,#F3E9D8 0%,#EADBBF 100%);
  border-radius:14px;padding:26px 28px;box-shadow:0 24px 60px rgba(0,0,0,.55);position:relative;
}
.dict-card::before{content:"词条";position:absolute;top:-12px;left:20px;font-size:11px;font-weight:700;letter-spacing:3px;color:#20160E;background:var(--amber);padding:3px 12px;border-radius:6px}
.dict-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;border-bottom:2px solid #C9A96A;padding-bottom:14px;margin-bottom:14px}
.dict-word{font-size:42px;font-weight:800;color:#3A2A16;line-height:1}
.dict-ipa{font-size:16px;color:#8A6B3E;font-family:Georgia,serif;font-style:italic}
.dict-pos{font-size:12px;color:#A08A66;margin-left:auto}
.dict-langs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 26px}
.dict-langs li{display:flex;justify-content:space-between;font-size:15px;border-bottom:1px dashed #D8C39A;padding:5px 0}
.dict-langs .dl{color:#8A6B3E;font-size:13px}
.dict-langs .dv{color:#3A2A16;font-weight:600}

/* ---------------- A–Z 字母索引条(跑马灯) ---------------- */
.alpha-strip{background:linear-gradient(90deg,#2B2015,#3A2A16,#2B2015);border-top:1px solid var(--border);border-bottom:1px solid var(--border);overflow:hidden;padding:13px 0}
.alpha-track{display:flex;gap:22px;white-space:nowrap;animation:alphamarquee 32s linear infinite;width:max-content}
.alpha-track span{font-size:15px;font-weight:700;color:var(--amber);letter-spacing:1px;opacity:.85}
@keyframes alphamarquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------------- 通用 section ---------------- */
.section{padding:64px 0;background:var(--bg)}
.section.alt{background:var(--panel)}
.sec-head{text-align:center;margin-bottom:40px}
.kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--amber);
  background:rgba(232,163,61,.10);padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.sec-title{font-size:30px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.sec-sub{font-size:15px;color:var(--muted);margin-top:10px}

/* ---------------- 例句带(整句卡片) ---------------- */
.sentence-band{background:linear-gradient(135deg,#2B2015 0%,#3A2A16 100%);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:56px 24px;text-align:center;position:relative;overflow:hidden}
.sentence-band::before{content:"“";position:absolute;left:50%;top:-34px;transform:translateX(-50%);font-size:240px;font-family:Georgia,serif;color:rgba(232,163,61,.08);line-height:1}
.sentence-inner{position:relative;z-index:2}
.sentence-label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:3px;color:var(--amber);background:rgba(232,163,61,.12);border:1px solid rgba(232,163,61,.35);padding:5px 14px;border-radius:999px;margin-bottom:22px}
.sentence-cn{font-size:34px;font-weight:800;color:var(--ink);letter-spacing:1px;font-family:Georgia,"Songti SC",serif}
.sentence-py{font-size:15px;color:var(--amber-light);font-style:italic;margin-top:12px;font-family:Georgia,serif}
.sentence-en{font-size:19px;color:var(--muted);margin-top:16px}
.sentence-ja{font-size:16px;color:var(--muted-2);margin-top:6px}

/* ---------------- 查词流水线(横向四步) ---------------- */
.pipeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.pipe-item{text-align:center;padding:8px 20px;position:relative}
.pipe-item::after{content:"→";position:absolute;right:-14px;top:14px;font-size:22px;color:var(--amber);font-weight:700}
.pipe-item:last-child::after{content:""}
.pipe-no{display:inline-block;width:42px;height:42px;line-height:42px;border-radius:8px;background:var(--grad-soft);color:#20160E;font-weight:800;font-size:16px;margin-bottom:14px}
.pipe-item h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px}
.pipe-item p{font-size:13px;color:var(--muted);line-height:1.65}

/* ---------------- 词条释义列表(竖向编号) ---------------- */
.sense-list{max-width:760px;margin:0 auto}
.sense-item{display:flex;gap:24px;align-items:flex-start;padding:24px 0;border-bottom:1px solid var(--border)}
.sense-item:last-child{border-bottom:none}
.sense-no{font-size:40px;font-weight:800;line-height:1;color:var(--amber);font-variant-numeric:tabular-nums;min-width:60px;font-family:Georgia,serif}
.sense-txt h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:6px}
.sense-txt p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------------- 多语言卡片 ---------------- */
.lang-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.lang-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:26px 22px;text-align:center;transition:transform .2s,border-color .2s;position:relative;overflow:hidden}
.lang-card:hover{transform:translateY(-5px);border-color:var(--amber)}
.lang-card::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:opacity .2s}
.lang-card:hover::after{opacity:1}
.lang-name{display:block;font-size:13px;color:var(--amber);font-weight:600;letter-spacing:1px;margin-bottom:12px}
.lang-word{display:block;font-size:32px;font-weight:800;color:var(--ink);margin-bottom:8px;font-family:Georgia,"Songti SC",serif}
.lang-sub{display:block;font-size:12px;color:var(--muted-2)}

/* ---------------- 近义 / 反义 双卡 ---------------- */
.lex-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:820px;margin:0 auto}
.lex-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:26px}
.lex-type{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;color:#20160E;background:var(--amber);padding:4px 12px;border-radius:6px;margin-bottom:16px}
.lex-word{display:block;font-size:26px;font-weight:800;color:var(--ink);margin-bottom:16px;font-family:Georgia,"Songti SC",serif}
.lex-chips{display:flex;gap:10px;flex-wrap:wrap}
.lex-chip{font-size:14px;color:var(--ink);background:rgba(232,163,61,.10);border:1px solid rgba(232,163,61,.3);padding:6px 14px;border-radius:999px}

/* ---------------- 今日热词榜 ---------------- */
.hot-list{max-width:620px;margin:0 auto;background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.hot-item{display:flex;align-items:center;gap:18px;padding:16px 22px;border-bottom:1px solid var(--border)}
.hot-item:last-child{border-bottom:none}
.hot-item:hover{background:rgba(232,163,61,.05)}
.hot-rank{width:30px;height:30px;line-height:30px;text-align:center;border-radius:8px;background:rgba(232,163,61,.14);color:var(--amber);font-weight:800;font-size:14px;flex-shrink:0}
.hot-item:first-child .hot-rank{background:var(--amber);color:#20160E}
.hot-cn{font-size:17px;font-weight:700;color:var(--ink);flex-shrink:0}
.hot-en{font-size:14px;color:var(--muted);margin-left:auto}

/* ---------------- 数据带 ---------------- */
.stat-band{background:linear-gradient(120deg,#E8A33D 0%,#F0C066 50%,#C0563A 100%);padding:44px 24px}
.stat-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-item{text-align:center;color:#20160E}
.stat-num{display:block;font-size:44px;font-weight:800;line-height:1;font-family:Georgia,serif}
.stat-label{display:block;font-size:14px;font-weight:600;margin-top:8px;opacity:.85}

/* ---------------- 下载平台条(分格条带) ---------------- */
.dl-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--panel)}
.dl-chip{display:flex;flex-direction:column;align-items:center;gap:6px;padding:30px 18px;text-align:center;position:relative;transition:background .2s}
.dl-chip:hover{background:rgba(232,163,61,.07)}
.dl-chip + .dl-chip{border-left:1px solid var(--border)}
.dl-chip::after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:opacity .2s}
.dl-chip:hover::after{opacity:1}
.dl-chip .ico{font-size:32px;line-height:1}
.dl-chip .dl-name{font-size:17px;font-weight:700;color:var(--ink)}
.dl-chip .dl-sub{font-size:12px;color:var(--muted)}

/* ---------------- 多端同步标签 ---------------- */
.device-chips{display:flex;gap:12px;flex-wrap:wrap}
.device-chips span{font-size:14px;font-weight:600;color:var(--ink);padding:9px 18px;border-radius:8px;background:var(--panel);border:1px solid var(--border);box-shadow:0 2px 8px rgba(0,0,0,.3)}

/* ---------------- 左右图文 ---------------- */
.edit-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.edit-row.rev .edit-img{order:-1}
.edit-copy h3{font-size:26px;font-weight:800;color:var(--ink);margin-bottom:14px}
.edit-copy p{font-size:15px;color:var(--muted);margin-bottom:16px}
.edit-list{list-style:none;margin:0;padding:0}
.edit-list li{position:relative;padding:7px 0 7px 26px;font-size:14px;color:var(--muted)}
.edit-list li::before{content:"";position:absolute;left:0;top:15px;width:12px;height:4px;border-radius:2px;background:var(--grad)}
.edit-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.edit-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.edit-img:hover img{transform:scale(1.05)}

/* ---------------- 平台卡(下载页用) ---------------- */
.plat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plat-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  transition:transform .2s,box-shadow .2s;
}
.plat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.plat-top{height:8px;background:var(--grad)}
.plat-body{padding:24px 20px 22px;text-align:center}
.plat-body .ico{font-size:34px;margin-bottom:12px}
.plat-body h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px}
.plat-body p{font-size:13px;color:var(--muted);margin-bottom:16px}
.plat-body .meta{font-size:11px;color:var(--muted-2);margin-top:12px}

/* ---------------- 场景墙(虚化照片卡) ---------------- */
.scene-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.wall-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;cursor:default}
.wall-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.wall-card:hover img{transform:scale(1.08)}
.wall-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(32,22,14,.05),rgba(32,22,14,.72))}
.wall-card figcaption{
  position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;font-size:15px;font-weight:700;letter-spacing:.5px;
}

/* ---------------- FAQ 折叠 ---------------- */
.faq-block{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border);background:var(--panel)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 16px;font-size:16px;font-weight:600;color:var(--ink);
  position:relative;padding-right:40px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--amber);font-weight:400}
.faq-item[open] summary::after{content:"−"}
.faq-item .a{padding:0 16px 18px;font-size:14px;color:var(--muted)}

/* ---------------- CTA 收尾(琥珀暖带) ---------------- */
.cta-band{
  background:linear-gradient(135deg,#E8A33D 0%,#F0C066 55%,#C0563A 100%);color:#20160E;text-align:center;padding:60px 24px;
  position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 320px at 50% -10%,rgba(255,255,255,.18),transparent 62%)}
.cta-band .wrap{position:relative;z-index:2}
.cta-title{font-size:30px;font-weight:800;margin-bottom:10px;letter-spacing:.5px;color:#20160E}
.cta-band p{font-size:15px;color:rgba(32,22,14,.8);margin-bottom:24px}
.cta-band .btn-primary{background:#20160E;color:var(--amber-light);box-shadow:0 10px 28px rgba(32,22,14,.32)}
.cta-band .btn-primary:hover{color:#F0C066}

/* ---------------- 子页 hero ---------------- */
.page-hero{
  background:
    radial-gradient(900px 400px at 80% -20%,rgba(232,163,61,.16),transparent 55%),
    radial-gradient(700px 380px at 5% 120%,rgba(192,86,58,.14),transparent 55%),
    var(--bg);
  padding:52px 0 40px;
}
.page-hero h1{font-size:34px;font-weight:800;color:var(--ink);margin:14px 0 8px;letter-spacing:.5px}
.page-hero .lead{font-size:16px;color:var(--muted);max-width:760px}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;font-size:13px;color:var(--muted)}
.article-meta b{color:var(--ink)}

/* ---------------- 面包屑 ---------------- */
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:6px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--amber)}
.breadcrumb .sep{color:var(--muted-2);margin:0 6px}

/* ---------------- 左右图文 split ---------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.img-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.img-frame img{width:100%;height:100%;object-fit:cover}
.split h2{font-size:26px;font-weight:800;color:var(--ink);margin:8px 0 14px}
.split p{font-size:15px;color:var(--muted);margin-bottom:10px}

/* ---------------- 步骤 ---------------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.step{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;position:relative}
.step h3{font-size:16px;font-weight:700;color:var(--amber);margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}

/* ---------------- 表格 ---------------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;background:var(--panel);font-size:14px;color:var(--ink)}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border)}
thead th{background:rgba(232,163,61,.10);color:var(--amber);font-weight:700}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:rgba(232,163,61,.05)}

/* ---------------- 提示框 / 警示框 ---------------- */
.tip{background:rgba(232,163,61,.10);border-left:4px solid var(--amber);border-radius:10px;padding:14px 18px;margin:16px 0}
.tip p{font-size:14px;color:var(--ink)}
.callout{background:rgba(192,86,58,.12);border-left:4px solid var(--ochre);border-radius:10px;padding:14px 18px;margin:16px 0}
.callout p{font-size:14px;color:var(--ink)}
blockquote{background:var(--panel);border-left:4px solid var(--amber-light);border-radius:10px;padding:14px 18px;margin:16px 0;font-size:15px;color:var(--ink)}

/* ---------------- 正文 prose ---------------- */
.prose h2{font-size:24px;font-weight:800;color:var(--ink);margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--amber)}
.prose p{font-size:15px;color:#D9C9A8;margin-bottom:14px;line-height:1.9}
.prose ul,.prose ol{margin:0 0 16px 22px;font-size:15px;color:#D9C9A8;line-height:1.9}
.prose li{margin-bottom:8px}
.prose figure{margin:20px 0}
.prose figure img{border-radius:var(--radius);width:100%}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.lead-fig{margin:0 0 8px}
.lead-fig img{border-radius:var(--radius);width:100%;box-shadow:var(--shadow)}

/* ---------------- 文章双栏 + 粘性目录 ---------------- */
.article-layout{display:grid;grid-template-columns:250px 1fr;gap:40px;align-items:start}
.toc{position:sticky;top:88px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.toc h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:12px}
.toc a{display:block;font-size:13px;color:var(--muted);padding:6px 0;border-bottom:1px dashed var(--border)}
.toc a:last-child{border-bottom:none}
.toc a:hover{color:var(--amber)}

/* ---------------- 相关卡片 ---------------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:transform .2s,box-shadow .2s}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.rel-card .t{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px}
.rel-card .d{font-size:13px;color:var(--muted)}

/* ---------------- FAQ 页分组 ---------------- */
.faq-group{margin-bottom:28px}
.faq-group h2{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:14px}
.faq-group details{border:1px solid var(--border);border-radius:12px;margin-bottom:10px;background:var(--panel);overflow:hidden}
.faq-group summary{list-style:none;cursor:pointer;padding:15px 18px;font-size:15px;font-weight:600;color:var(--ink);position:relative;padding-right:44px}
.faq-group summary::-webkit-details-marker{display:none}
.faq-group summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--amber)}
.faq-group details[open] summary::after{content:"−"}
.faq-group .a{padding:0 18px 16px;font-size:14px;color:var(--muted)}

/* ---------------- 404 / 搜索 ---------------- */
.notfound{text-align:center;padding:40px 0}
.notfound .big{font-size:80px;font-weight:800;letter-spacing:8px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px}
.notfound p{color:var(--muted);margin-bottom:24px}
.search-box{display:flex;gap:12px;max-width:520px;margin:20px auto 0}
.search-input{flex:1;padding:13px 18px;border:1px solid var(--border);border-radius:8px;font-size:15px;outline:none;background:var(--panel);color:var(--ink)}
.search-input:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(232,163,61,.14)}

/* ---------------- 响应式 ---------------- */
@media (max-width:960px){
  .phero{min-height:auto}
  .phero-inner{padding:60px 20px 60px}
  .phero-title{font-size:42px}
  .lang-grid{grid-template-columns:repeat(2,1fr)}
  .lex-pair{grid-template-columns:1fr}
  .stat-inner{grid-template-columns:repeat(2,1fr)}
  .pipeline{grid-template-columns:repeat(2,1fr);gap:16px 0}
  .pipe-item::after{content:""}
  .edit-row{grid-template-columns:1fr;gap:24px}
  .edit-row.rev .edit-img{order:0}
  .dl-strip{grid-template-columns:repeat(2,1fr)}
  .dl-chip:nth-child(odd){border-left:none}
  .dl-chip:nth-child(n+3){border-top:1px solid var(--border)}
  .plat-grid{grid-template-columns:repeat(2,1fr)}
  .scene-wall{grid-template-columns:repeat(2,1fr)}
  .split,.article-layout{grid-template-columns:1fr}
  .toc{position:static}
  .steps{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .pnav-inner{height:auto;flex-wrap:wrap;padding:10px 0;gap:12px}
  .pnav-links{margin-left:0;order:3;width:100%;overflow-x:auto}
  .pnav-cta{margin-left:auto}
}
@media (max-width:600px){
  .lang-grid,.dl-strip,.plat-grid,.scene-wall,.rel-grid,.pipeline{grid-template-columns:1fr}
  .dl-chip + .dl-chip{border-left:none;border-top:1px solid var(--border)}
  .dl-chip:nth-child(odd){border-left:none}
  .dl-chip:nth-child(n+3){border-top:1px solid var(--border)}
  .phero-title{font-size:34px}
  .phero-sub{font-size:16px}
  .sentence-cn{font-size:24px}
  .dict-langs{grid-template-columns:1fr}
  .pnav-sub{display:none}
  .section{padding:44px 0}
  .sec-title{font-size:24px}
}

/* ===== reviews ===== */
.reviews-sec{background:#fff}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.review-card .stars{color:#f5a623;font-size:16px;letter-spacing:2px;margin-bottom:12px}
.review-card p{color:var(--muted);font-size:15px;line-height:1.7}
.rv-meta{margin-top:16px;display:flex;align-items:center;gap:10px}
.rv-meta strong{font-size:14px;color:var(--ink)}
.rv-meta span{font-size:12px;color:var(--muted);background:var(--bg);padding:3px 10px;border-radius:12px}