/* =========================================================
   泡牛情感学院 · 站点样式
   浅色暖调 / 内容优先 / 手机与桌面自适应
   ========================================================= */

:root{
  --ink:#17222c;
  --body:#4d5b66;
  --muted:#8b98a4;
  --brand:#d95b36;
  --brand-600:#bf4a27;
  --brand-soft:#fdf1ec;
  --teal:#2b7a6e;
  --teal-soft:#e9f3f1;
  --bg:#ffffff;
  --bg-alt:#faf8f6;
  --surface:#ffffff;
  --line:#ebe4dc;
  --line-2:#ded4c9;
  --ink-band:#1d2b36;

  --r-sm:10px;
  --r:16px;
  --r-lg:22px;

  --sh-1:0 1px 2px rgba(23,34,44,.04);
  --sh-2:0 14px 30px -18px rgba(23,34,44,.30);
  --sh-3:0 24px 60px -30px rgba(23,34,44,.40);

  --wrap:1180px;
  --nav-h:70px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:15.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:var(--bg-alt);padding:2px 6px;border-radius:6px;color:#8a4327}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:760px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 10px 0}
.skip-link:focus{left:0}
:focus-visible{outline:2.5px solid var(--brand);outline-offset:2px;border-radius:6px}

/* ---------------- 通用按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:10px 18px;border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .2s,border-color .2s,color .2s,transform .15s;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px -12px rgba(217,91,54,.9)}
.btn-primary:hover{background:var(--brand-600)}
.btn-outline{border-color:var(--line-2);background:var(--surface);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;color:var(--body);padding:9px 12px}
.btn-ghost:hover{color:var(--brand);background:var(--brand-soft)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--sh-2)}
.btn-light:hover{background:#fdf6f2}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14)}
.btn-block{width:100%}
.btn-sm{padding:6px 13px;font-size:13px}
.link-danger{background:none;border:0;padding:0;color:#c0392b;cursor:pointer;font-size:inherit}
.link-danger:hover{text-decoration:underline}
.link-more{color:var(--brand);font-size:14px;font-weight:600}
.link-more:hover{text-decoration:underline}

.chip{
  display:inline-block;padding:3px 11px;border-radius:999px;
  background:var(--brand-soft);color:#a8421f;font-size:12.5px;font-weight:600;
  position:relative;z-index:2;
}
.chip:hover{background:#fbe3d9}
.badge{display:inline-block;padding:1px 8px;border-radius:999px;background:var(--teal-soft);color:var(--teal);font-size:11.5px;font-weight:700}
.count-badge{display:inline-block;min-width:24px;padding:1px 9px;border-radius:999px;background:var(--bg-alt);color:var(--muted);font-size:12.5px;font-weight:700;vertical-align:middle}
.dot{color:var(--line-2)}

/* ---------------- 顶栏 ---------------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{color:var(--brand);display:grid;place-items:center}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;color:var(--ink);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted)}
.brand-invert .brand-text strong{color:#fff}

.site-nav{display:flex;gap:4px;margin-left:6px}
.site-nav a{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--body);
  transition:background .2s,color .2s;
}
.site-nav a:hover{background:var(--bg-alt);color:var(--ink)}
.site-nav a.is-active{color:var(--brand);background:var(--brand-soft)}

.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.search{display:flex;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:2px 4px 2px 14px;transition:border-color .2s,box-shadow .2s}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,91,54,.12)}
.search input{border:0;background:transparent;outline:none;width:170px;font-size:13.5px;padding:8px 6px 8px 0;color:var(--ink)}
.search input::placeholder{color:var(--muted)}
.search button{background:transparent;border:0;padding:7px 9px;border-radius:999px;cursor:pointer;color:var(--muted);display:grid;place-items:center}
.search button:hover{color:var(--brand)}

.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------------- 轮播 ---------------- */
.hero{padding:26px 0 6px}
/* 首页 H1：轮播上方的站点定位行。尺寸刻意收敛，不与轮播主视觉争抢注意力，
   但保证是真实可见的一级标题（不做隐藏文字）。 */
.hero-h1{
  margin:0 0 15px;text-align:center;
  font-size:clamp(14px,1.35vw,16px);font-weight:600;letter-spacing:.01em;color:var(--body);
}
.carousel{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:#eadfd5;aspect-ratio:16/7.6;
  box-shadow:var(--sh-3);
}
.carousel-track{position:absolute;inset:0}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .55s ease,visibility .55s}
.slide.is-active{opacity:1;visibility:visible}
.slide-img{width:100%;height:100%;object-fit:cover}
.slide-body{
  position:absolute;left:0;right:0;bottom:0;padding:46px 50px 44px;color:#fff;
  background:linear-gradient(180deg,rgba(20,29,37,0) 0%,rgba(20,29,37,.42) 42%,rgba(15,23,30,.86) 100%);
}
.slide-kicker{
  display:inline-block;padding:3px 12px;border-radius:999px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.34);font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:14px;
  backdrop-filter:blur(4px);
}
.slide-title{font-size:32px;line-height:1.34;color:#fff;max-width:19em;letter-spacing:-.015em}
.slide-title a:hover{text-decoration:underline;text-underline-offset:4px}
.slide-excerpt{margin-top:12px;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.86);max-width:38em}
.slide-foot{display:flex;align-items:center;gap:16px;margin-top:22px}
.slide-meta{font-size:13px;color:rgba(255,255,255,.72)}

.carousel-btn{
  position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:999px;
  border:1px solid rgba(255,255,255,.4);background:rgba(20,29,37,.34);color:#fff;
  display:grid;place-items:center;cursor:pointer;backdrop-filter:blur(6px);transition:background .2s;
}
.carousel-btn:hover{background:rgba(20,29,37,.6)}
.carousel-prev{left:18px}
.carousel-next{right:18px}
.carousel-dots{position:absolute;right:26px;bottom:24px;display:flex;gap:8px}
.carousel-dots button{width:26px;height:4px;border-radius:99px;border:0;background:rgba(255,255,255,.4);cursor:pointer;padding:0;transition:background .25s,width .25s}
.carousel-dots button.is-active{background:#fff;width:40px}
.hero-note{margin-top:16px;font-size:13.5px;color:var(--muted);text-align:center;max-width:64ch;margin-left:auto;margin-right:auto}

/* ---------------- 区块 ---------------- */
.section{padding:66px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-head-center{justify-content:center;text-align:center}
.section-title{font-size:25px;position:relative;padding-left:15px}
.section-title::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:var(--brand)}
.section-head-center .section-title{padding-left:0}
.section-head-center .section-title::before{display:none}
.section-sub{margin-top:8px;font-size:14px;color:var(--muted);padding-left:15px}
.section-head-center .section-sub{padding-left:0}

/* ---------------- 栏目卡片 ---------------- */
.cat-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(238px,1fr))}
.cat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:24px 22px;display:flex;flex-direction:column;gap:9px;
  transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden;
}
.cat-card::after{content:"";position:absolute;inset:auto -30px -40px auto;width:110px;height:110px;border-radius:50%;background:var(--brand-soft);opacity:0;transition:opacity .3s}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#e6d8cc}
.cat-card:hover::after{opacity:.75}
.cat-card>*{position:relative;z-index:1}
.cat-icon{font-size:22px}
.cat-card h3{font-size:17px}
.cat-card p{font-size:13.5px;color:var(--body);line-height:1.7;min-height:2.6em}
.cat-count{font-size:12.5px;color:var(--brand);font-weight:700;margin-top:2px}

/* ---------------- 两栏布局 ---------------- */
.layout-2col{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:46px;align-items:start}
.col-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:calc(var(--nav-h) + 22px)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.panel-title{font-size:15.5px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.panel-title::after{content:"";flex:1;height:1px;background:var(--line)}
.panel-head .panel-title{margin-bottom:0}
.panel-head .panel-title::after{display:none}

.rank-list{display:flex;flex-direction:column;gap:13px;counter-reset:rk}
.rank-list li{display:flex;gap:11px;align-items:flex-start;font-size:14px;line-height:1.6}
.rank-list a{color:var(--ink);font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rank-list a:hover{color:var(--brand)}
.rank-no{
  flex:0 0 21px;height:21px;border-radius:6px;background:var(--bg-alt);color:var(--muted);
  font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:2px;
}
.rank-no.is-top{background:var(--brand);color:#fff}

.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-pill{
  display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:999px;
  background:var(--bg-alt);color:var(--body);font-size:13px;border:1px solid transparent;transition:.2s;
}
.tag-pill span{font-size:11.5px;color:var(--muted)}
.tag-pill:hover{background:var(--teal-soft);color:var(--teal);border-color:#cfe4e0}
.tag-pill.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}
.tag-pill.is-active span{color:rgba(255,255,255,.8)}

.stat-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stat-list li{display:flex;flex-direction:column}
.stat-list strong{font-size:21px;color:var(--ink);letter-spacing:-.02em}
.stat-list span{font-size:12.5px;color:var(--muted)}
.panel-stats{background:linear-gradient(160deg,#fff,var(--brand-soft))}

.side-list{display:flex;flex-direction:column;gap:2px}
.side-list li a{display:flex;align-items:center;justify-content:space-between;padding:9px 10px;border-radius:9px;font-size:14px;color:var(--ink);transition:background .2s}
.side-list li a span{color:var(--muted);font-size:12.5px}
.side-list li a:hover{background:var(--bg-alt)}
.side-list li.is-active a{background:var(--brand-soft);color:var(--brand);font-weight:600}

/* ---------------- 文章卡片 ---------------- */
.card-grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(288px,1fr))}
.card-grid-3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.card-grid-2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;display:flex;flex-direction:column;position:relative;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
/* 整张卡片可点击：透明覆盖层跳转到文章，分类标签(chipt)层级更高仍可单独点击 */
.card-link{position:absolute;inset:0;z-index:1}
.card-title a{position:relative;z-index:2}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#f0c9bb}
.card-media{display:block;aspect-ratio:4/3;background:var(--bg-alt);overflow:hidden;position:relative}
.card-media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 0 rgba(217,91,54,0);transition:box-shadow .3s;pointer-events:none;z-index:1}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.2,.7,.3,1)}
.card:hover .card-media img{transform:scale(1.07)}
.card:hover .card-media::after{box-shadow:inset 0 0 0 3px rgba(217,91,54,.35)}
.card-body{padding:18px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-meta{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--muted)}
.card-title{font-size:16.5px;line-height:1.5}
.card-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-title a:hover{color:var(--brand)}
.card-excerpt{
  font-size:13.5px;line-height:1.72;color:var(--body);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;gap:7px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:12px;
}
.card-author{color:var(--ink);font-weight:600}
.card-foot .spacer{flex:1}

/* ---------------- 列表页 ---------------- */
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);padding:20px 0 4px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line-2)}
.page-head{padding:16px 0 34px}
.page-head-lg{padding:0 0 30px}
.page-title{font-size:31px;letter-spacing:-.02em;max-width:26em}
.page-desc{margin-top:12px;font-size:15px;color:var(--body);max-width:60ch}
.page-count{margin-top:12px;font-size:13.5px;color:var(--muted)}
.page-count strong{color:var(--brand)}
.layout-list{padding-bottom:70px}

.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.filter-chip{padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:13.5px;font-weight:600;color:var(--body);transition:.2s}
.filter-chip:hover{border-color:var(--brand);color:var(--brand)}
.filter-chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}

.list-more{margin-top:34px;text-align:center}
.pagination{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:40px;justify-content:center}
.page-link{
  min-width:40px;height:40px;padding:0 14px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface);display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;color:var(--body);transition:.2s;
}
.page-link:hover{border-color:var(--brand);color:var(--brand)}
.page-link.is-current{background:var(--brand);border-color:var(--brand);color:#fff}
.page-link.is-disabled{opacity:.42;pointer-events:none}
.page-total{margin-left:8px;font-size:13px;color:var(--muted)}

.empty{background:var(--surface);border:1px dashed var(--line-2);border-radius:var(--r);padding:48px 26px;text-align:center}
.empty p{font-size:15px;color:var(--ink);font-weight:600}
.empty-sub{margin-top:8px;font-size:13.5px;color:var(--muted);font-weight:400}
.empty-sub a{color:var(--brand);text-decoration:underline}

/* ---------------- 文章详情 ---------------- */
.article{padding-bottom:20px}
.article-head{padding:8px 0 26px}
.article-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:16px}
.article-title{font-size:35px;line-height:1.36;letter-spacing:-.022em}
.article-lede{margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--body)}
.article-byline{display:flex;align-items:center;gap:13px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.avatar{
  flex:0 0 auto;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--brand),#e88a5f);color:#fff;font-weight:700;font-size:15px;
}
.avatar-lg{width:54px;height:54px;font-size:20px}
.byline-info{display:flex;flex-direction:column;line-height:1.4}
.byline-info strong{font-size:14.5px;color:var(--ink)}
.byline-info em{font-style:normal;font-size:12.5px;color:var(--muted)}
.byline-stats{margin-left:auto;display:flex;gap:16px;font-size:13px;color:var(--muted)}

.article-cover{margin:0 0 6px;border-radius:var(--r-lg);overflow:hidden;background:var(--bg-alt);box-shadow:var(--sh-2)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* 「本文要点」骨架卡：给用户做目录，给 AI 引擎做可机器解析的段落结构 */
.article-keypoints{
  margin-top:26px;padding:20px 24px;background:var(--bg-alt);
  border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:var(--r);
}
.article-keypoints-title{font-size:13.5px;letter-spacing:.06em;color:var(--brand);font-weight:700;margin:0}
.article-keypoints-list{margin:13px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:9px}
.article-keypoints-list li{font-size:15px;line-height:1.7;color:#3f4c57}
.article-keypoints-list a{color:var(--ink);text-decoration:none;border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
.article-keypoints-list a:hover{color:var(--brand);border-bottom-color:#f0cfc2}

.article-body{font-size:16.5px;line-height:1.95;color:#3f4c57;padding-top:34px}.article-body>*+*{margin-top:20px}
.article-body h2{
  font-size:22px;margin-top:44px;padding-bottom:10px;border-bottom:1px solid var(--line);
  letter-spacing:-.01em;
}
.article-body h3{font-size:17.5px;margin-top:30px;color:var(--ink)}
.article-body p{color:#3f4c57}
.article-body strong{color:var(--ink);font-weight:700}
.article-body em{font-style:normal;color:var(--brand);font-weight:600}
.article-body ul,.article-body ol{padding-left:0;display:flex;flex-direction:column;gap:11px}
.article-body ul>li,.article-body ol>li{position:relative;padding-left:26px;line-height:1.85}
.article-body ul>li::before{content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand);opacity:.6}
.article-body ol{counter-reset:ol}
.article-body ol>li{counter-increment:ol}
.article-body ol>li::before{
  content:counter(ol);position:absolute;left:0;top:.35em;width:19px;height:19px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand);font-size:11.5px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin-top:26px;padding:20px 24px;background:var(--teal-soft);border-left:4px solid var(--teal);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.article-body blockquote p{color:#22564f;font-size:16px;margin:0}
.article-body table{
  width:100%;border-collapse:collapse;font-size:14.5px;margin-top:26px;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body thead{background:var(--bg-alt)}
.article-body th,.article-body td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.article-body th{font-weight:700;color:var(--ink);white-space:nowrap}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body img{border-radius:var(--r);margin-top:26px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

.article-tags{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:42px;padding-top:24px;border-top:1px solid var(--line)}
.article-tags-label{font-size:13px;color:var(--muted);font-weight:600}
.article-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:26px}
.fav-btn.is-on{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.fav-count{font-size:12.5px;color:var(--muted);padding-left:7px;border-left:1px solid var(--line)}
.fav-btn.is-on .fav-count{color:var(--brand);border-color:#f0cfc2}

.author-box{display:flex;gap:18px;margin-top:40px;padding:24px;background:var(--bg-alt);border-radius:var(--r)}
.author-box h3{font-size:16px}
.author-role{font-size:12.5px;color:var(--brand);font-weight:600;margin:3px 0 9px}
.author-box p{font-size:13.8px;line-height:1.8}

/* ---------------- 讨论区 ---------------- */
.comment-list{display:flex;flex-direction:column;gap:22px}
.comment{display:flex;gap:14px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.comment:last-child{border-bottom:0;padding-bottom:0}
.comment-main{flex:1;min-width:0}
.comment-head{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted)}
.comment-head strong{color:var(--ink);font-size:14px}
.comment-body{margin-top:8px;font-size:14.8px;line-height:1.85;color:#3f4c57;word-break:break-word}

.comment-form{margin-top:32px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.comment-form textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);padding:14px;font:inherit;font-size:14.5px;
  line-height:1.8;resize:vertical;outline:none;transition:border-color .2s,box-shadow .2s;color:var(--ink);background:var(--bg);
}
.comment-form textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,91,54,.12);background:#fff}
.comment-form-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:14px;flex-wrap:wrap}
.form-hint{font-size:12.5px;color:var(--muted)}

.login-invite{
  margin-top:30px;padding:26px;border-radius:var(--r);text-align:center;
  background:var(--surface);border:1px dashed var(--line-2);
}
.login-invite p{font-size:14.5px;color:var(--ink);font-weight:600;margin-bottom:16px}
.login-invite div{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* ---------------- FAQ ---------------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.faq-item summary{
  padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";color:var(--brand);font-weight:700;flex:0 0 auto}
.faq-item[open] summary::after{content:"－"}
.faq-item[open] summary{border-bottom:1px solid var(--line)}
.faq-body{padding:16px 22px 20px}
.faq-body p{font-size:14.8px;line-height:1.9;color:var(--body)}

/* ---------------- CTA ---------------- */
.cta-band{background:linear-gradient(120deg,#b8451f,var(--brand) 55%,#e2794f);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:25px}
.cta-band p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.9);max-width:46ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------------- 关于页 ---------------- */
.about-hero{padding:44px 0 10px}
.about-hero-inner{display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:52px;align-items:center}
.about-hero-text .slide-kicker{background:var(--brand-soft);border-color:#f0cfc2;color:#a8421f;margin-bottom:18px}
.about-hero-stats{display:flex;gap:38px;margin-top:34px;flex-wrap:wrap}
.about-stat{display:flex;flex-direction:column}
.about-stat strong{font-size:27px;color:var(--ink);letter-spacing:-.02em}
.about-stat span{font-size:13px;color:var(--muted)}
.about-hero-media{margin:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3)}
.about-hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.prose-block+.prose-block{margin-top:44px}
.prose-title{font-size:22px;margin-bottom:16px;padding-left:15px;position:relative}
.prose-title::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--brand)}
.prose-block .article-body{padding-top:0}
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px}
.stat-cards li{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;text-align:center}
.stat-cards strong{display:block;font-size:31px;color:var(--brand);letter-spacing:-.02em}
.stat-cards span{font-size:13px;color:var(--muted)}

/* ---------------- 标签页 ---------------- */
.tag-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.tag-tile{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:15px 18px;transition:.22s;
}
.tag-tile:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.tag-tile-name{font-size:14.5px;font-weight:600;color:var(--ink)}
.tag-tile-count{font-size:12.5px;color:var(--muted)}

/* ---------------- 认证页 ---------------- */
.auth-page{padding:56px 0 80px}
.auth-wrap{display:grid;grid-template-columns:minmax(0,440px) minmax(0,1fr);gap:56px;align-items:start}
.auth-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh-1)}
.auth-title{font-size:26px}
.auth-sub{margin-top:10px;font-size:14px;color:var(--muted)}
.form{margin-top:26px;display:flex;flex-direction:column;gap:17px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  font:inherit;font-size:14.5px;color:var(--ink);background:var(--bg);outline:none;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,91,54,.12);background:#fff}
.field-hint{font-size:12.5px;color:var(--muted)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field-check{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--body);cursor:pointer}
.field-check input{width:16px;height:16px;accent-color:var(--brand)}
.field-inline{margin-top:9px}
.req{color:var(--brand)}
.auth-alt{margin-top:20px;font-size:14px;color:var(--body)}
.auth-alt a{color:var(--brand);font-weight:600}
.auth-legal{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.7}
.auth-aside h2{font-size:19px;margin-bottom:20px}
.check-list{display:flex;flex-direction:column;gap:20px}
.check-list li{position:relative;padding-left:32px}
.check-list li::before{
  content:"";position:absolute;left:0;top:4px;width:19px;height:19px;border-radius:50%;
  background:var(--brand-soft);border:1.5px solid var(--brand);
}
.check-list li::after{content:"";position:absolute;left:6px;top:10px;width:6px;height:10px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(42deg)}
.check-list strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:3px}
.check-list span{font-size:13.5px;color:var(--body);line-height:1.75}
.auth-note{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);line-height:1.8}

.demo-box{margin-top:22px;padding:16px 18px;border-radius:var(--r-sm);background:var(--teal-soft);border:1px solid #d3e7e3}
.demo-box strong{font-size:13.5px;color:var(--teal);display:block;margin-bottom:6px}
.demo-box p{font-size:13px;line-height:1.9;color:#2c5f59}
.demo-warn{font-size:12px !important;color:#8a6a3f !important;margin-top:6px}

.alert{padding:12px 16px;border-radius:var(--r-sm);font-size:14px;margin-bottom:18px}
.alert-error{background:#fdecea;border:1px solid #f5c6c0;color:#a8342a}
.alert-ok{background:#e8f5ee;border:1px solid #bfe3ce;color:#1f6b45}

/* ---------------- 个人中心 ---------------- */
.profile-panel{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px}
.profile-panel h3{font-size:18px;margin-top:6px}
.profile-account{font-size:13px;color:var(--muted)}
.profile-role{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.my-comment-list{display:flex;flex-direction:column;gap:16px}
.my-comment-list li{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:16px 18px}
.my-comment-body{font-size:14.5px;line-height:1.8;color:#3f4c57}
.my-comment-meta{margin-top:9px;font-size:12.5px;color:var(--muted)}
.my-comment-meta a{color:var(--brand)}

/* ---------------- 后台 ---------------- */
.admin-wrap{padding-bottom:70px}
.admin-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,480px);gap:26px;align-items:start}
.admin-col{display:flex;flex-direction:column;gap:22px;min-width:0}
.table-scroll{overflow-x:auto;margin:0 -22px -22px;padding:0 22px 22px}
.admin-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:520px}
.admin-table th{text-align:left;font-size:12.5px;color:var(--muted);font-weight:600;padding:0 10px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.admin-table td{padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.admin-table tr:last-child td{border-bottom:0}
.admin-table tr.is-editing{background:var(--brand-soft)}
.admin-title{font-weight:600;color:var(--ink);display:block}
.admin-title:hover{color:var(--brand)}
.admin-slug{display:block;font-size:11.5px;color:var(--muted);margin-top:2px;word-break:break-all}
.admin-cell-dim{color:var(--muted)}
.tnum{font-variant-numeric:tabular-nums}
.admin-ops{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.admin-ops a{color:var(--brand);font-size:13px}
.admin-ops form{display:inline}
/* sticky 只用于「两列的文章编辑器」(.admin-grid)——表单在表格旁，粘住方便对照。
   单列页（轮播/栏目/关于页/评论）表单在表格上方，sticky 会永久盖住下面的表格 → 退回 static。 */
.admin-grid .admin-form{position:sticky;top:calc(var(--nav-h) + 22px)}
.admin-single .admin-form{position:static;z-index:auto}
.tag-picker{display:flex;flex-wrap:wrap;gap:8px}
.tag-opt{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;cursor:pointer;transition:.2s}
.tag-opt input{accent-color:var(--brand);width:14px;height:14px}
.tag-opt:has(input:checked){background:var(--brand-soft);border-color:#f0cfc2;color:#a8421f;font-weight:600}
.admin-form-foot{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}

/* ---------------- 后台新增组件 ---------------- */
.admin-single{max-width:920px;margin:0 auto}

.admin-nav{
  display:flex;gap:6px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:6px;margin:0 0 26px;box-shadow:var(--sh-1);
}
.admin-tab{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;color:var(--body);
  transition:background .2s,color .2s;
}
.admin-tab:hover{background:var(--bg-alt);color:var(--ink)}
.admin-tab.is-active{background:var(--brand);color:#fff;box-shadow:0 8px 18px -12px rgba(217,91,54,.9)}
.admin-tab.is-active:hover{color:#fff}
.tab-badge{
  display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;
  border-radius:999px;background:var(--teal);color:#fff;font-size:11.5px;font-weight:800;line-height:1;
}
.admin-tab.is-active .tab-badge{background:rgba(255,255,255,.28);color:#fff}

/* 评论审核队列 */
.mod-list{display:flex;flex-direction:column;gap:0;margin:0}
.mod-item{padding:18px 4px;border-bottom:1px solid var(--line)}
.mod-item:last-child{border-bottom:0}
.mod-meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.mod-meta strong{color:var(--ink);font-size:14px}
.mod-sub{font-size:12.5px}
.mod-body{margin:9px 0 0;font-size:14.5px;line-height:1.8;color:#3f4c57;white-space:pre-wrap;word-break:break-word}
.mod-ops{display:flex;align-items:center;gap:12px;margin-top:12px;flex-wrap:wrap}

.inline-form{display:inline}

.badge-warn{background:#fdf0e3;color:#b7651b}
.link-muted{background:none;border:0;padding:0;color:var(--muted);cursor:pointer;font-size:13px}
.link-muted:hover{color:var(--brand);text-decoration:underline}

/* 轮播缩略图 / 内联图片上传组 */
.thumb{width:64px;height:44px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.field-inline-group{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.field-inline-group input[type="text"]{flex:1;min-width:200px}
.field-inline-group .file-input{font-size:13px}
.field-inline-group .btn{white-space:nowrap}

/* 关于页编辑 */
.sub-block{border:1px solid var(--line);border-radius:var(--r-sm);padding:6px 18px 18px;margin:0 0 16px;min-width:0}
.sub-block legend{font-size:13px;font-weight:700;color:var(--brand);padding:0 8px}
.kv-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.kv-row{display:flex;flex-direction:column;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px}

/* 栏目介绍（列表页顶部） */
.cat-intro{padding:30px 0 4px}
.cat-intro .article-body{padding-top:0;font-size:15.5px;color:var(--body)}

@media (max-width:640px){
  .kv-grid{grid-template-columns:1fr}
  .admin-nav{padding:5px}
  .admin-tab{padding:8px 13px;font-size:13px}
}

/* ---------------- 错误页 ---------------- */
.error-page{padding:80px 0 100px}
.error-inner{text-align:center}
.error-code{font-size:76px;font-weight:800;color:var(--brand-soft);letter-spacing:-.04em;line-height:1;-webkit-text-stroke:1.5px #f0cfc2}
.error-title{font-size:27px;margin-top:8px}
.error-msg{margin-top:12px;font-size:15px;color:var(--muted)}
.error-actions{display:flex;gap:12px;justify-content:center;margin-top:26px;flex-wrap:wrap}
.error-suggest{margin-top:52px;padding-top:30px;border-top:1px solid var(--line)}
.error-suggest h2{font-size:16px;margin-bottom:16px}
.error-suggest .tag-cloud{justify-content:center}

/* ---------------- 页脚 ---------------- */
.site-footer{background:var(--ink-band);color:rgba(255,255,255,.68);padding:56px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.7fr) repeat(3,minmax(0,1fr));gap:44px;padding-bottom:44px}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.8}
.footer-note{margin-top:16px;padding:14px 16px;background:rgba(255,255,255,.05);border-radius:var(--r-sm);font-size:12.5px;line-height:1.8;color:rgba(255,255,255,.55)}
.footer-col h3{color:#fff;font-size:14px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.5px;display:flex;align-items:center;justify-content:space-between;gap:10px;transition:color .2s}
.footer-col a span{font-size:11.5px;color:rgba(255,255,255,.35)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:20px 24px;display:flex;
  align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;
}
.footer-legal a{color:rgba(255,255,255,.8);text-decoration:underline}

/* ---------------- 提示条 ---------------- */
.toast{
  position:fixed;left:50%;bottom:30px;transform:translateX(-50%);z-index:120;
  padding:12px 22px;border-radius:999px;font-size:14px;font-weight:600;color:#fff;
  background:var(--ink);box-shadow:var(--sh-3);animation:toastIn .3s ease;
}
.toast-ok{background:#21795a}
.toast-error{background:#b13a2c}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,14px)}to{opacity:1;transform:translate(-50%,0)}}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1080px){
  .layout-2col{grid-template-columns:minmax(0,1fr);gap:36px}
  .col-side{position:static;flex-direction:row;flex-wrap:wrap}
  .col-side .panel{flex:1 1 300px}
  .about-hero-inner{grid-template-columns:minmax(0,1fr);gap:32px}
  .about-hero-media{order:-1}
  .admin-grid{grid-template-columns:minmax(0,1fr)}
  .admin-grid .admin-form{position:static}
  .auth-wrap{grid-template-columns:minmax(0,1fr);gap:38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:900px){
  .header-inner{flex-wrap:wrap;padding-top:10px;padding-bottom:10px;gap:12px}
  .nav-toggle{display:flex;order:2;margin-left:auto}
  .header-actions{order:3;width:100%;margin-left:0;flex-wrap:wrap}
  .site-nav{
    order:4;width:100%;display:none;flex-direction:column;gap:2px;margin:0;
    padding-top:8px;border-top:1px solid var(--line);
  }
  .site-nav.is-open{display:flex}
  .site-nav a{padding:11px 14px;border-radius:var(--r-sm)}
  .search{flex:1;min-width:190px}
  .search input{width:100%}
  .hero{padding:18px 0 4px}
  .carousel{aspect-ratio:16/10;border-radius:var(--r)}
  .slide-body{padding:26px 24px 52px}
  .slide-title{font-size:23px}
  .slide-excerpt{font-size:13.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .carousel-dots{right:18px;bottom:18px}
  .section{padding:48px 0}
  .section-title{font-size:22px}
  .page-title{font-size:26px}
  .article-title{font-size:27px}
  .article-lede{font-size:15.5px}
  .article-body{font-size:16px}
  .article-body h2{font-size:20px}
  .byline-stats{width:100%;margin-left:0;padding-top:12px;border-top:1px dashed var(--line)}
  .article-byline{flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:44px 0}
  .cta-band h2{font-size:21px}
}

@media (max-width:640px){
  .wrap{padding:0 16px}
  .brand-text em{display:none}
  .carousel{aspect-ratio:4/4.3}
  .slide-body{padding:20px 18px 54px}
  .slide-title{font-size:20px}
  .slide-excerpt{font-size:13px;-webkit-line-clamp:3}
  .slide-meta{display:none}
  .carousel-btn{display:none}
  .card-grid,.card-grid-2,.card-grid-3{grid-template-columns:minmax(0,1fr)}
  .cat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .cat-card{padding:18px 16px}
  .cat-card p{min-height:0;font-size:12.5px}
  .tag-wall{grid-template-columns:1fr 1fr}
  .field-row{grid-template-columns:1fr}
  .auth-card{padding:24px 20px}
  .stat-list{grid-template-columns:1fr 1fr}
  .about-hero-stats{gap:24px}
  .about-stat strong{font-size:22px}
  .col-side{flex-direction:column}
  .page-link{min-width:36px;height:36px;padding:0 11px;font-size:13.5px}
  .article-cover{border-radius:var(--r)}
  .admin-table{min-width:460px}
  .footer-bottom{justify-content:flex-start}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* ---------------- 返回顶部 ---------------- */
.to-top{
  position:fixed;right:22px;bottom:calc(22px + env(safe-area-inset-bottom));z-index:110;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--ink);color:#fff;border:0;cursor:pointer;
  box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s,transform .25s,visibility .25s,background .2s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand)}
.to-top svg{width:20px;height:20px}
@media (max-width:640px){
  .to-top{right:calc(14px + env(safe-area-inset-right));bottom:calc(16px + env(safe-area-inset-bottom));width:44px;height:44px}
}