/* ============================================================
   研究站 · 设计系统  |  Research Site Design System
   高级机构风 · 浅色 · 深蓝 → 钢青渐变 · 金色点缀
   ============================================================ */

:root{
  /* brand / accent */
  --brand:#1f4e79; --brand-2:#2d6e93; --brand-3:#2f8f8f; --gold:#b08a4a;
  --grad:linear-gradient(120deg,#1f4e79 0%,#2d6e93 52%,#2f8f8f 100%);
  --grad-soft:linear-gradient(120deg,rgba(31,78,121,.12),rgba(47,143,143,.12));

  /* ink & neutrals */
  --ink:#0e1626; --ink-2:#2a3245; --slate:#48546b; --muted:#6b7688; --faint:#98a2b3;
  --line:#e4e9f1; --line-2:#eef2f7; --bg:#f7f9fc; --bg-2:#eef2f8; --card:#ffffff;

  /* semantic */
  --up:#2e7d5b; --down:#c14741; --warn:#b07a2e; --info:#2f6690;
  --up-bg:rgba(46,125,91,.1); --down-bg:rgba(193,71,65,.1); --warn-bg:rgba(176,122,46,.1);

  /* category colors */
  --cat-market:#2f6690; --cat-industry:#4a5578; --cat-company:#2e7d5b; --cat-theme:#9a5b3d; --cat-daily:#3f7d86;

  --shadow-xs:0 1px 2px rgba(13,16,32,.05);
  --shadow:0 2px 4px rgba(13,16,32,.04),0 10px 30px rgba(13,16,32,.07);
  --shadow-lg:0 18px 50px rgba(13,16,32,.14);
  --ring:0 0 0 4px rgba(31,78,121,.14);

  --r-xs:8px; --r-sm:12px; --r:18px; --r-lg:24px; --r-full:999px;
  --w:1180px;
  --mono:"SF Mono",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
  --sans:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.72;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(31,78,121,.2)}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px}

.container{max-width:var(--w);margin:0 auto;padding:0 26px}
.mono{font-family:var(--mono)}

/* ---------- reading progress ---------- */
.progress{position:fixed;inset:0 auto auto 0;height:3px;width:0;z-index:80;background:var(--grad);
  box-shadow:0 0 10px rgba(31,78,121,.5);transition:width .08s linear}

/* ============================================================ NAV */
.nav{position:sticky;top:0;z-index:70;background:rgba(247,249,252,.82);
  backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line)}
.nav-in{height:66px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:750;letter-spacing:-.2px;font-size:16px}
.brand .logo{width:30px;height:30px;border-radius:9px;flex:none;background:var(--grad);position:relative;
  box-shadow:0 6px 16px rgba(31,78,121,.36)}
.brand .logo::after{content:"";position:absolute;inset:8px;border-radius:4px;background:#fff;opacity:.92;
  clip-path:polygon(0 68%,32% 40%,54% 58%,100% 12%,100% 100%,0 100%)}
.brand small{display:block;font-weight:500;color:var(--faint);font-size:10.5px;letter-spacing:1.4px}
.nav-links{margin-left:auto;display:flex;gap:2px;align-items:center}
.nav-links a{padding:8px 14px;border-radius:10px;font-size:14px;color:var(--slate);font-weight:550;transition:.16s}
.nav-links a:hover{background:var(--line-2);color:var(--ink)}
.nav-links a.active{color:var(--brand);background:rgba(31,78,121,.09)}
.nav-cta{padding:8px 16px!important;background:var(--ink);color:#fff!important;border-radius:10px}
.nav-cta:hover{background:var(--brand)!important;color:#fff!important}

/* ============================================================ NAV SEARCH */
.nav-search-wrap{position:relative;flex:1 1 auto;max-width:420px;margin:0 6px}
.nav-search-wrap .ns-ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--faint);pointer-events:none}
#nav-search{width:100%;height:40px;border:1px solid var(--line);border-radius:11px;background:var(--card);
  padding:0 14px 0 38px;font:inherit;font-size:14px;color:var(--ink);transition:.16s}
#nav-search::placeholder{color:var(--faint)}
#nav-search:focus{outline:none;border-color:var(--brand);box-shadow:var(--ring)}
.search-results{position:absolute;top:48px;left:0;right:0;background:var(--card);border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-lg);padding:6px;max-height:min(70vh,440px);overflow:auto;z-index:90;display:none}
.search-results.open{display:block}
.sr-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;text-decoration:none;transition:.13s}
.sr-item:hover{background:var(--line-2)}
.sr-item .sr-title{font-size:14px;font-weight:600;color:var(--ink);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sr-item .sr-title mark{background:rgba(31,78,121,.16);color:var(--brand);border-radius:3px;padding:0 1px}
.sr-item .sr-cats{display:flex;gap:5px;flex:none}
.sr-head{font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--faint);padding:8px 12px 4px}
.sr-empty{padding:18px 14px;text-align:center;color:var(--muted);font-size:13.5px}

/* ============================================================ CATEGORY BAR + BADGE */
.cat-bar{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 10px;margin:6px 0 22px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.cat-bar::-webkit-scrollbar{height:6px}
.cat-bar::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.cat-chip{flex:none;padding:8px 15px;border-radius:var(--r-full);font-size:13.5px;font-weight:600;cursor:pointer;
  background:var(--card);border:1px solid var(--line);color:var(--slate);transition:.15s;white-space:nowrap;display:inline-flex;align-items:center;gap:7px}
.cat-chip .c{font-family:var(--mono);font-size:11.5px;opacity:.6}
.cat-chip:hover{border-color:var(--cc,var(--brand));color:var(--cc,var(--brand))}
.cat-chip.active{color:#fff;border-color:transparent;background:var(--cc,var(--ink))}
.cat-chip.active .c{opacity:.75}
.cat-chip[data-cat="all"].active{background:var(--ink)}

.cat-badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:var(--r-full);
  font-size:11px;font-weight:700;letter-spacing:.2px;line-height:1.5;white-space:nowrap}
.card-cats{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:9px}
.hero-cats{display:inline-flex;flex-wrap:wrap;gap:8px}
.lib-empty{grid-column:1/-1;text-align:center;padding:50px 20px;color:var(--muted);font-size:14.5px;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r)}

@media(max-width:760px){.nav-search-wrap{max-width:none;margin:0}}

/* ============================================================ BUTTONS / CHIPS / BADGES */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:12px;font-weight:600;
  font-size:14.5px;cursor:pointer;border:1px solid transparent;transition:.18s;white-space:nowrap}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--brand);box-shadow:0 8px 22px rgba(31,78,121,.32);transform:translateY(-1px)}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

.chip{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:var(--r-full);
  font-size:12.5px;font-weight:600;background:var(--card);border:1px solid var(--line);color:var(--slate)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--brand)}

.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--r-full);
  font-size:11.5px;font-weight:700;letter-spacing:.3px}
.badge-market{background:rgba(47,102,144,.11);color:var(--cat-market)}
.badge-industry{background:rgba(74,85,120,.11);color:var(--cat-industry)}
.badge-company{background:rgba(46,125,91,.11);color:var(--cat-company)}
.badge-theme{background:rgba(154,91,61,.12);color:var(--cat-theme)}
.badge-daily{background:rgba(63,125,134,.12);color:var(--cat-daily)}
.badge-soft{background:var(--line-2);color:var(--muted)}

.tag{display:inline-flex;align-items:center;padding:3px 9px;border-radius:7px;font-size:12px;font-weight:600;
  background:var(--line-2);color:#3b4157}
.tag.hot{background:rgba(31,78,121,.1);color:var(--brand);border:1px solid rgba(31,78,121,.2)}
.tag.cn{background:rgba(46,125,91,.1);color:#0a7d56;border:1px solid rgba(46,125,91,.22)}

.pill-up{color:var(--up);background:var(--up-bg);padding:2px 9px;border-radius:7px;font-weight:700;font-size:13px;font-family:var(--mono)}
.pill-down{color:var(--down);background:var(--down-bg);padding:2px 9px;border-radius:7px;font-weight:700;font-size:13px;font-family:var(--mono)}

.kicker{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:700;letter-spacing:1.6px;
  text-transform:uppercase;color:var(--brand)}
.kicker .n{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:7px;background:var(--grad);
  color:#fff;font-size:12px;font-weight:800}
.kicker::before{content:"";width:20px;height:1.5px;background:var(--brand);opacity:.5}
.kicker.plain::before{display:none}

/* ============================================================ HERO (shared) */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 420px at 82% -8%,rgba(31,78,121,.16),transparent 60%),
  radial-gradient(700px 360px at 10% 0%,rgba(47,143,143,.12),transparent 55%),var(--bg)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(760px 420px at 75% 0,#000,transparent 72%)}
.hero-in{position:relative;padding:72px 0 60px}

/* ============================================================ SECTIONS */
section{scroll-margin-top:82px}
.sec-head{margin-bottom:26px}
.sec-head .kicker{margin-bottom:12px}
h1{font-size:clamp(30px,5.2vw,54px);line-height:1.1;font-weight:820;letter-spacing:-1px}
h2{font-size:clamp(22px,3vw,31px);font-weight:800;letter-spacing:-.5px;line-height:1.2}
h2 .en{display:block;font-size:14px;font-weight:600;color:var(--faint);letter-spacing:.3px;margin-top:6px}
h3{font-size:17px;font-weight:730;letter-spacing:-.1px}
.display em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:17.5px;color:var(--slate);max-width:64ch;line-height:1.76}

/* ============================================================ CARDS */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);transition:.2s}
.card.hover:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#dcdfec}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}

.icard .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:20px;margin-bottom:14px;
  background:var(--grad-soft);color:var(--brand)}
.icard p{color:var(--muted);font-size:14px;margin-top:7px;line-height:1.66}
.icard.num{position:relative;padding-left:24px}
.icard.num .idx{position:absolute;left:22px;top:22px;font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand);opacity:.5}
.icard.diff .ic{background:var(--warn-bg);color:var(--warn)}
.icard.diff h3{display:flex;align-items:center;gap:9px}

/* stat card */
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;box-shadow:var(--shadow-xs)}
.stat .v{font-size:30px;font-weight:820;letter-spacing:-.6px;line-height:1;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:12.5px;color:var(--muted);margin-top:8px;font-weight:500}
.stat .sub{font-size:11.5px;color:var(--faint);margin-top:3px}

/* ============================================================ REPORT CARD (homepage) */
.reports-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.report-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:.22s;cursor:pointer;min-height:290px}
.report-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:#d7dae9}
.report-card .cover{height:118px;position:relative;overflow:hidden;background:var(--grad)}
.report-card .cover.market{background:linear-gradient(130deg,#2f6690,#4fa3b0)}
.report-card .cover.industry{background:linear-gradient(130deg,#1f4e79,#3f7fae)}
.report-card .cover.company{background:linear-gradient(130deg,#2e7d5b,#4fa3b0)}
.report-card .cover.theme{background:linear-gradient(130deg,#9a5b3d,#c08a3e)}
.report-card .cover.daily{background:linear-gradient(130deg,#3f7d86,#4fa3b0)}
.report-card .cover::before{content:"";position:absolute;inset:0;opacity:.35;
  background-image:radial-gradient(circle at 20% 30%,rgba(255,255,255,.5) 0,transparent 8px),
    linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:auto,26px 26px,26px 26px}
.report-card .cover .cv-badge{position:absolute;left:16px;top:14px;background:rgba(255,255,255,.92);
  padding:4px 11px;border-radius:var(--r-full);font-size:11.5px;font-weight:700;color:var(--ink)}
.report-card .cover .cv-tag{position:absolute;right:16px;bottom:14px;color:#fff;font-family:var(--mono);
  font-size:12px;font-weight:600;opacity:.9}
.report-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.report-card .body h3{font-size:18px;line-height:1.35;font-weight:750}
.report-card .body p{color:var(--muted);font-size:13.5px;margin-top:9px;line-height:1.6;flex:1}
.report-card .meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:12px;color:var(--faint)}
.report-card .meta .rd{margin-left:auto;color:var(--brand);font-weight:650;display:inline-flex;align-items:center;gap:5px;transition:.16s}
.report-card:hover .meta .rd{gap:9px}

/* filter bar */
.filterbar{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin:26px 0 28px}
.filter{padding:8px 16px;border-radius:var(--r-full);font-size:13.5px;font-weight:600;cursor:pointer;
  background:var(--card);border:1px solid var(--line);color:var(--slate);transition:.16s;user-select:none}
.filter:hover{border-color:var(--brand);color:var(--brand)}
.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.filter .c{opacity:.6;margin-left:4px;font-size:12px}

/* ============================================================ FEATURED HERO (home) */
.feat-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:22px;align-items:stretch}
.feat-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:.22s;text-decoration:none}
.feat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#d7dae9}
.feat-cover{position:relative;padding:26px 30px 24px;min-height:206px;display:flex;flex-direction:column;
  justify-content:flex-end;color:#fff;overflow:hidden;background:linear-gradient(130deg,#1f4e79,#3f7fae)}
.feat-cover::before{content:"";position:absolute;inset:0;opacity:.4;
  background-image:radial-gradient(circle at 78% 22%,rgba(255,255,255,.5) 0,transparent 46%),
    linear-gradient(rgba(255,255,255,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.13) 1px,transparent 1px);
  background-size:auto,30px 30px,30px 30px}
.feat-flag{position:absolute;top:20px;left:30px;z-index:2;background:rgba(255,255,255,.96);color:var(--ink);
  font-weight:700;font-size:12px;padding:6px 13px;border-radius:var(--r-full);display:inline-flex;gap:6px;align-items:center;
  box-shadow:0 6px 16px rgba(0,0,0,.14)}
.feat-cover .cov-tags{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.feat-cover .cov-tag{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);
  padding:3px 11px;border-radius:var(--r-full);font-size:11.5px;font-weight:650;backdrop-filter:blur(4px)}
.feat-cover h1{position:relative;z-index:1;font-size:clamp(24px,3.2vw,36px);font-weight:820;line-height:1.16;
  letter-spacing:-.6px;max-width:19ch}
.feat-body{padding:20px 30px 22px;display:flex;flex-direction:column;flex:1}
.feat-body p{color:var(--slate);font-size:14.5px;margin:0 0 16px;line-height:1.68}
.feat-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--faint);margin-top:auto}
.feat-meta .rd{margin-left:auto;color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:5px;transition:.16s}
.feat-card:hover .feat-meta .rd{gap:9px}

.feat-side{display:flex;flex-direction:column;gap:16px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px 12px;
  box-shadow:var(--shadow-xs);flex:1;display:flex;flex-direction:column}
.side-card h6{font-size:12px;letter-spacing:.4px;color:var(--muted);margin-bottom:8px;display:flex;align-items:center;gap:7px;font-weight:750}
.side-item{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line-2);text-decoration:none;transition:.15s}
.side-item:first-of-type{border-top:none}
.side-item .si-rank{font-family:var(--mono);font-weight:800;font-size:15px;width:22px;flex:none;text-align:center;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.side-item .si-date{font-family:var(--mono);font-size:11px;color:var(--faint);width:auto;flex:none}
.side-item .si-body{min-width:0;flex:1}
.side-item .si-body{display:block}
.side-item .si-title{display:block;font-size:13.5px;font-weight:650;line-height:1.34;color:var(--ink);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-item:hover .si-title{color:var(--brand)}
.side-item .si-meta{display:block;font-size:11.5px;color:var(--faint);margin-top:2px}
.side-item.muted{opacity:.5;pointer-events:none}
.si-new{background:var(--up);color:#fff;font-size:9.5px;font-weight:800;padding:1px 6px;border-radius:5px;margin-left:7px;vertical-align:middle;letter-spacing:.5px}
.si-fire{flex:none;font-size:13px}

@media(max-width:900px){.feat-wrap{grid-template-columns:1fr}}

/* ============================================================ CALLOUT */
.callout{position:relative;border-radius:var(--r);padding:22px 24px 22px 28px;margin:22px 0;
  background:linear-gradient(180deg,#fcfcff,#f2f6fb);border:1px solid #e3ebf3;box-shadow:var(--shadow-xs)}
.callout::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--grad)}
.callout .tag-l{font-size:11.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--brand);
  display:flex;align-items:center;gap:8px;margin-bottom:8px}
.callout p{margin:0;color:var(--ink);font-size:15.5px;line-height:1.76}
.callout.warn{background:linear-gradient(180deg,#fffdf6,#fdf6e8);border-color:#f3e6c6}
.callout.warn::before{background:linear-gradient(180deg,var(--warn),#c08a3e)}
.callout.warn .tag-l{color:var(--warn)}
.callout.ok{background:linear-gradient(180deg,#f6fffb,#effaf4);border-color:#cdeede}
.callout.ok::before{background:linear-gradient(180deg,var(--up),#4fa3b0)}
.callout.ok .tag-l{color:var(--up)}

/* ============================================================ STEPS TIMELINE */
.steps{position:relative;margin:22px 0 4px}
.steps::before{content:"";position:absolute;left:22px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-3),transparent)}
.step{position:relative;display:grid;grid-template-columns:34px 1fr;gap:20px;padding:9px 0;align-items:start;cursor:pointer}
.step .bub{z-index:1;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;
  font-size:13px;color:#fff;font-family:var(--mono);background:var(--grad);
  box-shadow:0 0 0 4px var(--bg),0 4px 12px rgba(31,78,121,.3);transition:.2s}
.step:hover .bub{transform:scale(1.12)}
.step .body{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:13px 17px;box-shadow:var(--shadow-xs);transition:.2s}
.step:hover .body{border-color:#d9dcec;box-shadow:var(--shadow)}
.step .body p{margin:3px 0 0;font-size:14px;color:var(--muted)}

/* ============================================================ TABLES */
.tbl{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-xs);background:var(--card);margin:16px 0}
.tbl-row{display:grid;grid-template-columns:200px 1fr;border-top:1px solid var(--line-2)}
.tbl-row:first-child{border-top:none}
.tbl-row .k{padding:15px 18px;font-weight:700;font-size:13.5px;background:#f7f9fc;display:flex;align-items:center;gap:9px;border-right:1px solid var(--line-2)}
.tbl-row .k .sw{width:9px;height:9px;border-radius:3px;flex:none}
.tbl-row .v{padding:13px 18px;display:flex;flex-wrap:wrap;gap:7px;align-items:center}
table.data{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
table.data th{background:#f7f9fc;text-align:left;padding:12px 16px;font-weight:700;font-size:13px;color:var(--slate);border-bottom:1px solid var(--line)}
table.data td{padding:12px 16px;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
table.data tr:last-child td{border-bottom:none}
table.data tr:hover td{background:#fbfbff}

/* ============================================================ SUPPLIER FILTER GRID */
.sup-filters{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.sup-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:8px 0}
.sup{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:13px 15px;box-shadow:var(--shadow-xs);transition:.2s}
.sup.hide{display:none}
.sup .nm{font-weight:700;font-size:14.5px}
.sup .rg{font-size:11.5px;color:var(--faint);margin-top:3px;display:flex;align-items:center;gap:6px}
.sup .rg .d{width:7px;height:7px;border-radius:50%}
.sup .role{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.5}

/* ============================================================ TABS */
.tabs{border-bottom:1px solid var(--line);display:flex;gap:4px;margin:8px 0 20px}
.tab{padding:11px 18px;font-weight:650;font-size:14.5px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;
  transition:.16s;margin-bottom:-1px}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--brand);border-bottom-color:var(--brand)}
.tab-panel{display:none;animation:fade .3s ease}
.tab-panel.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ============================================================ ACCORDION */
.acc{border:1px solid var(--line);border-radius:var(--r-sm);margin:10px 0;overflow:hidden;background:var(--card)}
.acc-h{padding:15px 18px;display:flex;align-items:center;gap:12px;cursor:pointer;font-weight:650;font-size:15px;user-select:none}
.acc-h .ico{margin-left:auto;transition:.24s;color:var(--faint);font-size:18px;line-height:1}
.acc.open .acc-h .ico{transform:rotate(45deg);color:var(--brand)}
.acc-b{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-b .inner{padding:0 18px 16px;color:var(--muted);font-size:14px;line-height:1.7}

/* ============================================================ POLL (reader vote) */
.poll{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 26px 20px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.poll::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--grad)}
.poll .poll-q{font-size:19px;font-weight:760;letter-spacing:-.2px}
.poll .poll-sub{font-size:13.5px;color:var(--muted);margin-top:5px}
.poll-opts{display:flex;flex-direction:column;gap:10px;margin:20px 0 6px}
.poll-opt{position:relative;display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  padding:15px 18px;border:1px solid var(--line);border-radius:13px;background:var(--card);cursor:pointer;
  overflow:hidden;transition:.16s;font:inherit;color:inherit}
.poll-opt:hover{border-color:var(--brand);transform:translateY(-1px)}
.poll.voted .poll-opt{cursor:default;transform:none}
.poll.voted .poll-opt:hover{border-color:var(--line)}
.poll-opt .po-bar{position:absolute;inset:0 auto 0 0;width:0;z-index:0;transition:width 1s cubic-bezier(.2,.8,.2,1)}
.poll-opt .po-label{position:relative;z-index:1;font-weight:650;font-size:15px;display:flex;align-items:center;gap:11px}
.poll-opt .po-dot{width:10px;height:10px;border-radius:50%;flex:none}
.poll-opt .po-desc{font-weight:400;color:var(--muted);font-size:12.5px;margin-left:2px}
.poll-opt .po-pct{position:relative;z-index:1;margin-left:auto;font-family:var(--mono);font-weight:800;font-size:15px;opacity:0;transform:translateX(6px);transition:.4s}
.poll.voted .po-pct{opacity:1;transform:none}
.poll-opt.chosen{border-color:var(--brand);box-shadow:var(--ring)}
.poll-opt .po-me{position:relative;z-index:1;font-size:10.5px;font-weight:700;color:var(--brand);background:rgba(31,78,121,.12);
  padding:2px 7px;border-radius:6px;margin-left:8px;opacity:0}
.poll-opt.chosen .po-me{opacity:1}
.poll-foot{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:12.5px;color:var(--faint)}
.poll-foot .poll-reset{margin-left:auto;color:var(--brand);font-weight:600;cursor:pointer;background:none;border:none;font:inherit;font-size:12.5px;display:none}
.poll.voted .poll-reset{display:inline}
.poll .hint{color:var(--faint)}
.poll.voted .hint::before{content:"✓ 感谢投票 · ";color:var(--up);font-weight:700}

/* ============================================================ HORIZON */
.horizon{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}
.hz{border-radius:var(--r);padding:22px 20px;border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-xs);position:relative;overflow:hidden}
.hz::before{content:"";position:absolute;inset:0 0 auto 0;height:3px}
.hz.s::before{background:var(--up)} .hz.m::before{background:var(--brand)} .hz.l::before{background:var(--brand-2)}
.hz .lab{display:inline-flex;align-items:baseline;gap:9px;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.hz.s .lab{color:var(--up)} .hz.m .lab{color:var(--brand)} .hz.l .lab{color:var(--brand-2)}
.hz .lab b{font-size:19px;letter-spacing:-.3px}
.hz ul{list-style:none} .hz li{position:relative;padding-left:18px;font-size:13.6px;color:var(--slate);margin:9px 0;line-height:1.6}
.hz li::before{content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.45}

/* ============================================================ FEATURE (2-col) */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.feature .f{background:linear-gradient(180deg,#fcfcff,#f2f6fb);border:1px solid #e3ebf3;border-radius:var(--r);padding:22px;box-shadow:var(--shadow-xs)}
.feature .f .lvl{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand-3);letter-spacing:1px;margin-bottom:9px}
.feature .f p{color:var(--muted);font-size:14px;margin-top:8px}

/* ============================================================ ROADMAP (代际楼盘) */
.roadmap{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}
.rm{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow-xs)}
.rm::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;border-radius:var(--r) var(--r) 0 0}
.rm.sold::before{background:var(--faint)} .rm.live::before{background:var(--grad)} .rm.soon::before{background:var(--brand-3)}
.rm .rm-badge{font-size:11px;font-weight:700;letter-spacing:.3px;padding:3px 10px;border-radius:var(--r-full);display:inline-block;margin-bottom:12px}
.rm.sold .rm-badge{background:var(--line-2);color:var(--muted)}
.rm.live .rm-badge{background:rgba(31,78,121,.1);color:var(--brand)}
.rm.soon .rm-badge{background:rgba(47,143,143,.12);color:#0a7f92}
.rm h4{font-size:23px;font-weight:820;letter-spacing:-.4px;font-family:var(--mono)}
.rm p{color:var(--muted);font-size:13.5px;margin-top:6px;line-height:1.55}
.rm:not(:last-child)::after{content:"→";position:absolute;right:-15px;top:50%;transform:translateY(-50%);color:var(--faint);font-weight:800;z-index:2;font-size:16px}
@media(max-width:760px){.roadmap{grid-template-columns:1fr}.rm:not(:last-child)::after{display:none}}

/* ============================================================ DISTANCE MAP (存储离床分级) */
.distmap{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px 28px 20px;box-shadow:var(--shadow-xs);margin:18px 0}
.dm-axis{display:flex;justify-content:space-between;font-size:12px;font-weight:650;color:var(--faint);margin-bottom:22px}
.dm-stops{position:relative;display:flex;justify-content:space-between;gap:8px}
.dm-stops::before{content:"";position:absolute;left:5%;right:5%;top:27px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-3) 40%,#a9b4c6);z-index:0}
.dm-stop{position:relative;z-index:1;flex:1;text-align:center;min-width:0}
.dm-ic{width:56px;height:56px;border-radius:50%;background:var(--card);border:2px solid var(--line);
  display:grid;place-items:center;font-size:25px;margin:0 auto 11px;box-shadow:var(--shadow-xs)}
.dm-stop.me .dm-ic{border-color:var(--brand);background:var(--grad-soft)}
.dm-k{font-weight:760;font-size:15px}
.dm-tag{font-family:var(--mono);font-size:10.5px;color:var(--brand);font-weight:700}
.dm-v{font-size:12px;color:var(--muted);margin-top:3px;line-height:1.4}
@media(max-width:760px){.dm-stops{flex-direction:column;gap:16px}
  .dm-stops::before{left:27px;right:auto;top:5%;bottom:5%;width:3px;height:auto}
  .dm-stop{display:flex;align-items:center;gap:14px;text-align:left}.dm-ic{margin:0;flex:none}}

/* ============================================================ FLOW (经济闭环) */
.flow{display:flex;flex-wrap:wrap;align-items:stretch;gap:8px;margin:18px 0}
.flow-node{flex:1 1 150px;min-width:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:15px 15px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;gap:5px;transition:.18s}
.flow-node:hover{border-color:#d7dae9;box-shadow:var(--shadow);transform:translateY(-2px)}
.flow-node .fn-ic{font-size:22px}
.flow-node h4{font-size:14.5px;font-weight:740}
.flow-node p{font-size:12px;color:var(--muted);line-height:1.5}
.flow-arrow{display:flex;align-items:center;color:var(--brand);font-weight:800;font-size:17px;flex:none}
.flow-loop{margin-top:14px;font-size:13.5px;color:var(--slate);display:flex;align-items:center;gap:9px;
  padding:12px 16px;border:1px dashed #bccddf;border-radius:12px;background:var(--grad-soft)}
.flow-loop b{color:var(--brand)}
@media(max-width:760px){.flow-arrow{transform:rotate(90deg);width:100%;justify-content:center;height:14px}}

/* district legend cards (anchor nav) */
.district{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;
  box-shadow:var(--shadow-xs);transition:.2s;text-decoration:none}
.district:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#d7dae9}
.district .d-ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:22px;margin-bottom:12px;background:var(--grad-soft)}
.district h3{font-size:16px;font-weight:740}
.district p{color:var(--muted);font-size:13px;margin-top:6px;line-height:1.55}
.district .d-go{color:var(--brand);font-weight:650;font-size:12.5px;margin-top:12px;display:inline-flex;gap:5px;align-items:center;transition:.16s}
.district:hover .d-go{gap:8px}

/* ============================================================ SVG ICONS (替代 emoji) */
.svg-ico{display:inline-block;vertical-align:-0.16em;width:1.1em;height:1.1em;flex:none}
.ic .svg-ico{width:22px;height:22px}
.icard.diff h3 .svg-ico{width:18px;height:18px;vertical-align:-0.22em}
.b-badge .svg-ico{width:14px;height:14px;margin-right:1px}
.tab .svg-ico{width:16px;height:16px;margin-right:3px;vertical-align:-0.2em}
.side-card h6 .svg-ico{width:14px;height:14px}
.si-fire .svg-ico{width:15px;height:15px;color:var(--warn)}
.po-label .svg-ico{width:16px;height:16px;margin-right:1px}
.kicker .svg-ico{width:15px;height:15px}
.d-ic .svg-ico,.dm-ic .svg-ico,.fn-ic .svg-ico{width:26px;height:26px}

/* ============================================================ TECH ILLUSTRATION (SVG 配图) */
.figure{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px 16px;
  box-shadow:var(--shadow-xs);margin:20px 0}
.figure svg{width:100%;height:auto;display:block}
.figure figcaption{font-size:12.5px;color:var(--faint);margin-top:12px;text-align:center;font-style:italic}
.figure .fig-title{font-weight:730;font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.il-label{font-family:var(--sans);font-weight:650;fill:var(--ink)}
.il-sub{font-family:var(--mono);fill:var(--faint)}

/* ============================================================ LAYER STACK (六层框架导航) */
.lstack{display:flex;flex-direction:column;gap:10px;margin:22px 0}
.lrow{display:grid;grid-template-columns:66px 1fr auto;align-items:center;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-xs);transition:.18s;text-decoration:none}
.lrow:hover{box-shadow:var(--shadow);transform:translateX(3px);border-color:#cdd6e4}
.lrow .lnum{align-self:stretch;display:grid;place-items:center;font-family:var(--mono);font-weight:800;
  font-size:22px;color:#fff;background:var(--grad);letter-spacing:-1px}
.lrow .lbody{padding:14px 18px;min-width:0}
.lrow .lbody h4{font-size:16px;font-weight:730;letter-spacing:-.2px}
.lrow .lbody p{font-size:13.3px;color:var(--muted);margin-top:3px;line-height:1.55}
.lrow .larrow{padding:0 20px;color:var(--faint);font-weight:700;transition:.16s}
.lrow:hover .larrow{color:var(--brand);transform:translateX(3px)}
@media(max-width:640px){.lrow{grid-template-columns:52px 1fr}.lrow .larrow{display:none}}

/* tier badge for investment ranking */
.tier{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;font-family:var(--mono);
  font-weight:800;font-size:14px;color:#fff;flex:none}

/* ============================================================ DAILY FEED (晨报 / 收市) */
.daily-feed{position:relative;margin:24px 0;padding-left:26px}
.daily-feed::before{content:"";position:absolute;left:5px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--cat-daily),var(--brand),transparent)}
.day-label{position:relative;display:flex;align-items:center;gap:12px;margin:26px 0 12px}
.day-label:first-child{margin-top:4px}
.day-label::before{content:"";position:absolute;left:-26px;top:50%;transform:translateY(-50%);width:12px;height:12px;
  border-radius:50%;background:var(--card);border:3px solid var(--cat-daily);box-shadow:0 0 0 4px var(--bg)}
.day-label .date{font-family:var(--mono);font-weight:800;font-size:16px;letter-spacing:-.3px}
.day-label .wd{font-size:12.5px;color:var(--muted);font-weight:600;background:var(--line-2);padding:2px 9px;border-radius:var(--r-full)}
.day-label .today{font-size:10.5px;font-weight:800;color:#fff;background:var(--cat-daily);padding:2px 8px;border-radius:var(--r-full);letter-spacing:.5px}
.day-label .ln{flex:1;height:1px;background:var(--line)}

.brief{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:17px 20px 17px 22px;box-shadow:var(--shadow-xs);margin:10px 0;transition:.18s;overflow:hidden;display:block;text-decoration:none}
.brief::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px}
.brief.am::before{background:linear-gradient(180deg,#c08a3e,#d9ab5c)}
.brief.pm::before{background:var(--grad)}
a.brief:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#d7dae9}
.brief-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.b-badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:800;padding:3px 10px;border-radius:var(--r-full);letter-spacing:.3px}
.b-badge.am{background:rgba(176,122,46,.13);color:#8a5a24}
.b-badge.pm{background:rgba(31,78,121,.11);color:var(--brand)}
.brief-head .b-title{font-weight:730;font-size:16px;letter-spacing:-.2px;color:var(--ink)}
a.brief:hover .b-title{color:var(--brand)}
.brief-head .b-time{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--faint)}
.brief p{color:var(--slate);font-size:14px;margin:9px 0 0;line-height:1.66}
.brief .b-foot{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px}
.brief .b-foot .rd{margin-left:auto;color:var(--brand);font-weight:650;font-size:13px;display:inline-flex;gap:5px;align-items:center;transition:.16s}
a.brief:hover .b-foot .rd{gap:8px}
.brief.pending{opacity:.55}
.brief.pending::before{background:var(--line)}
.mkt-chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:3px 10px;border-radius:8px;background:var(--bg-2);border:1px solid var(--line-2);color:var(--slate)}
.mkt-chip .d{width:7px;height:7px;border-radius:50%}
@media(max-width:760px){.brief-head .b-time{margin-left:0;width:100%}}

/* ============================================================ CHARTS */
.chart-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;box-shadow:var(--shadow-xs);margin:18px 0}
.chart-card .ct-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px}
.chart-card .ct-title{font-weight:730;font-size:16px}
.chart-card .ct-sub{font-size:12.5px;color:var(--faint);margin-top:3px}
.chart-card .note{font-size:11.5px;color:var(--faint);margin-top:12px;font-style:italic}
.chart{width:100%}
.chart-legend{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px;font-size:12.5px;color:var(--muted)}
.chart-legend span{display:inline-flex;align-items:center;gap:7px}
.chart-legend i{width:11px;height:11px;border-radius:3px;display:inline-block}
.bar-track{background:var(--line-2)} .bar-fill{transition:width 1s cubic-bezier(.2,.8,.2,1)}

/* legend for supplier tables */
.legend{display:flex;flex-wrap:wrap;gap:16px;margin:12px 2px 0;font-size:12.5px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:7px}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block}

/* ============================================================ ARTICLE LAYOUT */
.article-wrap{display:grid;grid-template-columns:232px minmax(0,1fr);gap:46px;align-items:start}
.toc{position:sticky;top:88px;padding:22px 0;font-size:13.5px;max-height:calc(100vh - 104px);overflow:auto}
.toc h5{font-size:10.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--faint);margin:0 0 12px 12px;font-weight:800}
.toc a{display:block;padding:6px 12px;border-radius:8px;color:var(--muted);border-left:2px solid transparent;transition:.15s;font-weight:500}
.toc a:hover{color:var(--ink);background:var(--line-2)}
.toc a.active{color:var(--brand);border-left-color:var(--brand);background:var(--grad-soft);font-weight:650}
.toc a.sub{padding-left:24px;font-size:12.5px}
.toc .grp{margin-top:14px}
.article{min-width:0;padding-bottom:80px}
.prose p{color:var(--slate);margin:14px 0;max-width:74ch}
.prose .lead-p{font-size:17px;color:var(--ink);font-weight:500}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:52px 0}
.block{margin-bottom:56px}
.h-sub{font-size:19px;font-weight:760;margin:34px 0 6px}
.note-line{font-size:13px;color:var(--faint);margin-top:4px}

/* ============================================================ REVEAL ANIM */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ============================================================ FOOTER */
footer.site{border-top:1px solid var(--line);background:#fff;margin-top:40px}
.foot-in{padding:40px 0 26px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.foot-in .brand{margin-bottom:12px}
.foot-col h6{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--faint);margin-bottom:12px}
.foot-col a{display:block;color:var(--muted);font-size:13.5px;padding:4px 0;transition:.15s}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{border-top:1px solid var(--line);padding:18px 0;font-size:12.5px;color:var(--faint);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
.disclaimer{padding:0 0 34px;font-size:11.5px;color:var(--faint);line-height:1.7;max-width:none}

/* ============================================================ RESPONSIVE */
@media(max-width:1000px){
  .article-wrap{grid-template-columns:1fr;gap:0}
  .toc{display:none}
  .reports-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .nav-links{display:none}
  .reports-grid,.g2,.g3,.g4,.horizon,.feature,.foot-in{grid-template-columns:1fr}
  .tbl-row{grid-template-columns:1fr}
  .tbl-row .k{border-right:none;border-bottom:1px solid var(--line-2)}
  .hero-in{padding:52px 0 44px}
}