/* ==========================================================================
   纵横国际 · 全站样式表（原创）
   Agricultural Food Intelligence Lab / Hyperspectral Inspection Center
   Food Safety Risk Console / Agricultural Quality Control Platform
   ========================================================================== */

:root{
  --ink-950:#0a1310;
  --ink-900:#0f1c17;
  --ink-800:#15291f;
  --ink-700:#1d3a2c;
  --g-700:#17603d;
  --g-600:#1d7a4d;
  --g-500:#2f9e63;
  --g-200:#bfe3cf;
  --g-100:#dff1e7;
  --g-50:#f1f8f4;
  --c-500:#14b8c4;
  --c-400:#2dd0db;
  --c-300:#69dfe6;
  --c-100:#d5f3f6;
  --o-500:#f08a24;
  --o-600:#d9741a;
  --o-100:#fde6cc;
  --paper:#ffffff;
  --mist:#f4f9f6;
  --line:#d9e7df;
  --line-soft:#e9f1ec;
  --t-900:#14201b;
  --t-700:#2f4238;
  --t-500:#5b7065;
  --t-400:#7b8f84;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 2px 14px rgba(15,28,23,.06);
  --shadow-pop:0 14px 40px rgba(15,28,23,.16);
  --wrap:1240px;
  --narrow:820px;
  --spectrum:linear-gradient(90deg,#5a6cf0 0%,#14b8c4 28%,#2f9e63 52%,#e5c34a 76%,#f08a24 100%);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;font-family:var(--font);color:var(--t-700);background:var(--paper);
  line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;
  overflow-wrap:break-word;
}
img,svg{max-width:100%;display:block;}
a{color:var(--g-600);text-decoration:none;}
a:hover{text-decoration:underline;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--c-500);outline-offset:2px;border-radius:4px;}
h1,h2,h3,h4,h5{color:var(--t-900);line-height:1.38;margin:0 0 .6em;font-weight:700;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.4em;}
[id]{scroll-margin-top:84px;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px;}
.wrap.narrow{max-width:calc(var(--narrow) + 40px);}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--g-600);color:#fff;padding:10px 16px;z-index:999;border-radius:0 0 8px 0;}
.skip-link:focus{left:0;}
.spectrum-line{height:3px;background:var(--spectrum);}

/* ---------- Top utility bar ---------- */
.topbar{background:var(--ink-950);color:#b9cec3;font-size:12.8px;}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:12px;overflow:hidden;white-space:nowrap;}
.topbar .tb-tag{color:var(--c-300);font-weight:700;letter-spacing:.08em;flex:none;}
.topbar span:not(.tb-tag){overflow:hidden;text-overflow:ellipsis;opacity:.9;}
@media (max-width:640px){.topbar span:not(.tb-tag){display:none;}}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--ink-900);}
.header-row{display:flex;align-items:center;justify-content:space-between;height:64px;gap:14px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;flex:0 0 auto;letter-spacing:.02em;}
.brand:hover{text-decoration:none;}
.brand img{width:34px;height:34px;flex:none;}
.brand small{display:block;font-size:10.5px;font-weight:600;color:var(--c-300);letter-spacing:.14em;margin-top:1px;}
.main-nav{display:flex;align-items:center;gap:2px;min-width:0;}
.main-nav a{color:#d3e4da;font-size:13.5px;font-weight:500;padding:8px 8px;border-radius:8px;white-space:nowrap;}
.main-nav a:hover{background:rgba(255,255,255,.08);text-decoration:none;color:#fff;}
.main-nav a[aria-current="page"]{color:#fff;background:rgba(20,184,196,.2);box-shadow:inset 0 -2px 0 var(--c-400);}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.3);border-radius:8px;width:42px;height:42px;flex:none;cursor:pointer;position:relative;}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{content:"";position:absolute;left:10px;right:10px;height:2px;background:#fff;border-radius:2px;}
.nav-toggle span{top:20px;}
.nav-toggle::before{top:14px;}
.nav-toggle::after{top:26px;}
@media (max-width:1239px){
  .main-nav{position:absolute;left:0;right:0;top:64px;flex-direction:column;align-items:stretch;gap:0;background:var(--ink-900);
    border-top:1px solid rgba(255,255,255,.08);max-height:0;overflow:hidden;transition:max-height .25s ease;}
  .site-header.is-open .main-nav{max-height:560px;box-shadow:0 18px 30px rgba(0,0,0,.35);}
  .main-nav a{padding:14px 20px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.06);font-size:15px;}
  .main-nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--c-400);}
  .nav-toggle{display:block;}
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-size:13.5px;color:#9fb8aa;padding:0 0 18px;}
.breadcrumb a{color:#b9cec3;}
.breadcrumb .sep{margin:0 7px;opacity:.6;}
.breadcrumb .current{color:#fff;}

/* ---------- Buttons / chips ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:999px;font-size:14.5px;font-weight:700;border:1px solid transparent;cursor:pointer;white-space:nowrap;}
.btn:hover{text-decoration:none;}
.btn-primary{background:linear-gradient(135deg,var(--g-500),var(--c-500));color:#06231a;}
.btn-primary:hover{filter:brightness(1.07);}
.btn-ghost{background:transparent;color:#e3f2ea;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{background:rgba(255,255,255,.09);}
.btn-outline{background:transparent;color:var(--g-600);border-color:var(--g-500);}
.btn-outline:hover{background:var(--g-50);}
.btn-disabled{background:var(--line-soft);color:var(--t-500);border-color:var(--line);cursor:default;}
.btn-lg{padding:13px 26px;font-size:15.5px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;}
.chips li,.chips a{display:inline-block;font-size:12.8px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.07);color:#cfe5da;border:1px solid rgba(255,255,255,.15);}
.chips a:hover{background:rgba(20,184,196,.18);text-decoration:none;color:#fff;}
.tag{display:inline-block;font-size:12px;font-weight:700;color:var(--g-700);background:var(--g-100);padding:3px 10px;border-radius:999px;}

/* ---------- Hero (home) ---------- */
.hero{position:relative;overflow:hidden;color:#d6e8de;padding:52px 0 0;
  background:
    radial-gradient(900px 480px at 86% -4%,rgba(20,184,196,.22),transparent 62%),
    radial-gradient(760px 460px at -6% 100%,rgba(47,158,99,.24),transparent 62%),
    linear-gradient(170deg,var(--ink-950),var(--ink-900) 56%,var(--ink-800));}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;-webkit-mask-image:linear-gradient(to bottom,#000,transparent 88%);mask-image:linear-gradient(to bottom,#000,transparent 88%);}
.hero .scan{position:absolute;left:0;right:0;top:10%;height:2px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(45,208,219,.75),transparent);opacity:.55;animation:scan 7s ease-in-out infinite alternate;}
@keyframes scan{from{top:8%}to{top:78%}}
@media (prefers-reduced-motion:reduce){.hero .scan{animation:none;}html{scroll-behavior:auto;}}
.hero .wrap{position:relative;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--c-300);margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-400);}
.hero h1{color:#fff;font-size:clamp(27px,3.5vw,41px);line-height:1.32;margin-bottom:18px;letter-spacing:.01em;}
.hero .lead{font-size:16.5px;color:#c6dcd0;max-width:640px;}
.hero-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap;}
.hero-figure{margin:0;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);overflow:hidden;background:#0f1a16;box-shadow:0 20px 50px rgba(0,0,0,.35);}
.hero-figure img{width:100%;height:auto;}
.hero-figure figcaption{font-size:12.5px;color:#9db6a8;padding:10px 14px;border-top:1px solid rgba(255,255,255,.1);}
.hero-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px;padding-bottom:36px;}
.hero-strip a{display:block;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);padding:14px 16px;color:#d6e8de;}
.hero-strip a:hover{background:rgba(20,184,196,.13);text-decoration:none;border-color:rgba(45,208,219,.5);}
.hero-strip b{display:block;color:var(--c-300);font-size:12.5px;letter-spacing:.06em;margin-bottom:4px;}
.hero-strip span{font-size:13.6px;line-height:1.55;display:block;}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr;gap:28px;}.hero-strip{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.hero{padding-top:36px;}.hero-strip{grid-template-columns:1fr;}}

/* ---------- Page hero (secondary) ---------- */
.page-hero{position:relative;overflow:hidden;color:#d6e8de;padding:38px 0 42px;
  background:
    radial-gradient(820px 380px at 92% -20%,rgba(20,184,196,.22),transparent 62%),
    linear-gradient(170deg,var(--ink-950),var(--ink-900) 60%,var(--ink-800));}
.page-hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;-webkit-mask-image:linear-gradient(to bottom,#000,transparent 92%);mask-image:linear-gradient(to bottom,#000,transparent 92%);}
.page-hero .wrap{position:relative;}
.page-hero h1{color:#fff;font-size:clamp(26px,3.4vw,38px);max-width:860px;margin-bottom:16px;}
.page-hero .lead{max-width:820px;font-size:16.5px;color:#c6dcd0;margin-bottom:20px;}

/* ---------- Sections ---------- */
.section{padding:64px 0;}
.section.alt{background:var(--mist);}
.section.dark{background:var(--ink-900);color:#cfe3d8;}
.section.dark h2,.section.dark h3{color:#fff;}
.section-head{max-width:820px;margin:0 0 30px;}
.section-head h2{font-size:clamp(23px,2.8vw,31px);margin-bottom:10px;}
.section-head p{color:var(--t-500);font-size:16px;margin:0;}
.section-head .kicker{display:block;font-size:12.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--g-600);margin-bottom:8px;}
.section-head .more-link{display:inline-block;margin-top:10px;font-weight:700;font-size:14.5px;}

/* ---------- Overview / lanes ---------- */
.intro-text{max-width:860px;}
.intro-text p{font-size:16.5px;}
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:34px 0 0;}
.tech-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-card);border-top:3px solid var(--g-500);}
.tech-card:nth-child(2){border-top-color:var(--c-500);}
.tech-card:nth-child(3){border-top-color:var(--o-500);}
.tech-card:nth-child(4){border-top-color:var(--g-700);}
.tech-card .en{font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--t-400);display:block;margin-bottom:6px;}
.tech-card h3{font-size:16.5px;margin-bottom:8px;}
.tech-card p{font-size:14px;color:var(--t-500);margin-bottom:10px;}
.tech-card .more{font-size:13.5px;font-weight:700;}
.lanes{display:grid;gap:12px;margin-top:34px;}
.lane{display:grid;grid-template-columns:190px 1fr;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:12px 16px;}
.lane-title{font-weight:800;color:var(--t-900);font-size:14.5px;}
.lane-title a{color:inherit;}
.lane ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px 0;margin:0;padding:0;align-items:center;}
.lane li{font-size:13.6px;}
.lane li a,.lane li span{display:inline-block;padding:4px 11px;border-radius:999px;background:var(--g-50);border:1px solid var(--g-200);color:var(--g-700);}
.lane li a:hover{background:var(--g-100);text-decoration:none;}
.lane li+li::before{content:"→";color:var(--t-400);margin:0 8px;font-size:13px;}
.flow-note{margin-top:18px;font-size:14px;color:var(--t-500);}
@media (max-width:1000px){.tech-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.tech-grid{grid-template-columns:1fr;}.lane{grid-template-columns:1fr;gap:8px;}}

/* ---------- Article (post) ---------- */
.post{background:#fff;}
.post-head{margin-bottom:6px;}
.post-kicker{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13.5px;color:var(--t-500);margin:0 0 10px;align-items:center;}
.post-kicker .cat{color:var(--g-700);font-weight:800;background:var(--g-100);padding:2px 10px;border-radius:999px;font-size:12.8px;}
.post-kicker .lbl{color:var(--t-400);}
.post-title{font-size:clamp(23px,3vw,31px);line-height:1.4;margin:0 0 14px;}
.post-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13.5px;color:var(--t-500);padding-bottom:16px;margin-bottom:24px;border-bottom:1px solid var(--line);}
.post-body{font-size:16.5px;line-height:1.9;color:var(--t-700);max-width:var(--narrow);}
.post-body p{margin-bottom:1.15em;}
.post-body h3{font-size:20px;margin:1.7em 0 .6em;padding-left:12px;border-left:4px solid var(--g-500);}
.post-body h4{font-size:17.5px;margin:1.5em 0 .5em;color:var(--g-700);}
.post-body h5{font-size:16px;margin:1.3em 0 .4em;}
.post-body li{margin-bottom:.45em;}
.post-body a{border-bottom:1px solid rgba(29,122,77,.35);}
.post-body a:hover{text-decoration:none;border-bottom-color:var(--g-600);}
.post-body strong{color:var(--t-900);}
.callout{margin:1.4em 0;padding:14px 18px;border-left:4px solid var(--o-500);background:#fff7ec;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#5a3d12;font-size:15.5px;line-height:1.8;}
.callout p{margin:0;}
.table-wrap{overflow-x:auto;margin:1.4em 0;-webkit-overflow-scrolling:touch;}
table.plain{border-collapse:collapse;width:100%;font-size:14.5px;line-height:1.6;min-width:480px;}
table.plain th,table.plain td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top;min-width:6.5em;}
table.plain thead th{background:var(--g-50);color:var(--t-900);font-weight:800;}
table.plain tbody tr:nth-child(even){background:#fafdfb;}
.chain{list-style:none;display:flex;flex-wrap:wrap;gap:8px 0;margin:1.3em 0;padding:14px 16px;background:var(--ink-900);border-radius:var(--radius-md);align-items:center;}
.chain li{margin:0;color:#e5f3ec;font-size:14px;line-height:1.5;}
.chain li span{display:inline-block;padding:5px 12px;border-radius:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);}
.chain li:last-child span{background:rgba(240,138,36,.18);border-color:rgba(240,138,36,.55);color:#ffe2c0;}
.chain li+li::before{content:"→";color:var(--c-300);margin:0 9px;font-weight:700;}
@media (max-width:640px){
  .chain{flex-direction:column;align-items:stretch;gap:0;}
  .chain li+li::before{content:"↓";display:block;text-align:center;margin:4px 0;}
  .chain li span{display:block;}
}
.fig{margin:1.8em 0;padding:0;}
.fig-link{display:block;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;background:var(--mist);cursor:zoom-in;}
.fig img{width:100%;height:auto;}
.fig figcaption{font-size:13.5px;color:var(--t-500);margin-top:9px;text-align:center;line-height:1.6;padding:0 6px;}
.fig figcaption::before{content:"↗ 点击图片可放大 · ";color:var(--t-400);font-size:12px;}
.post-related{margin-top:36px;padding:18px 22px;background:var(--mist);border:1px solid var(--line);border-radius:var(--radius-md);max-width:var(--narrow);}
.post-related h3,.post-related h4{font-size:15.5px;margin:0 0 10px;padding:0;border:0;color:var(--t-900);}
.post-related ul{margin:0;padding-left:1.2em;}
.post-related li{margin-bottom:6px;font-size:15px;}
.post-sep{border:0;border-top:1px solid var(--line);margin:56px 0;}

/* ---------- Page layout (secondary) ---------- */
.page-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:44px;align-items:start;padding:52px 20px 40px;}
.toc{position:sticky;top:84px;background:var(--mist);border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;}
.toc h2{font-size:14px;letter-spacing:.06em;color:var(--t-500);margin:0 0 12px;text-transform:uppercase;}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc;}
.toc li{counter-increment:toc;margin-bottom:12px;padding-left:30px;position:relative;font-size:14px;line-height:1.5;}
.toc li::before{content:counter(toc);position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:var(--g-600);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.toc a{color:var(--t-900);font-weight:600;}
.toc a.on{color:var(--g-600);}
.toc time{display:block;font-size:12px;color:var(--t-400);margin-top:2px;}
.page-articles{min-width:0;}
.page-articles .post+.post{margin-top:0;}
@media (max-width:1000px){
  .page-layout{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:34px;padding-bottom:28px;}
  .toc{position:static;}
}

/* ---------- Digest cards (home回流) ---------- */
.digest{display:grid;gap:20px;grid-template-columns:repeat(3,1fr);}
.digest.cols-2{grid-template-columns:repeat(2,1fr);}
.digest-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 22px 20px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;border-top:3px solid var(--g-500);}
.digest-card .meta{font-size:12.8px;color:var(--t-400);margin:0 0 10px;display:flex;flex-wrap:wrap;gap:4px 8px;align-items:center;}
.digest-card .meta .cat{color:var(--g-700);font-weight:800;}
.digest-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.digest-card h3 a{color:var(--t-900);}
.digest-card h3 a:hover{color:var(--g-600);text-decoration:none;}
.digest-card .excerpt{font-size:14.5px;color:var(--t-500);line-height:1.8;flex:1;margin-bottom:12px;}
.digest-card .more{font-size:14px;font-weight:700;margin-top:auto;}
.digest-card:nth-child(3n+2){border-top-color:var(--c-500);}
.digest-card:nth-child(3n){border-top-color:var(--o-500);}
@media (max-width:1000px){.digest{grid-template-columns:repeat(2,1fr);}}
@media (max-width:680px){.digest,.digest.cols-2{grid-template-columns:1fr;}}

/* ---------- Observation / ecommerce / about ---------- */
.observe-list .post{padding:0 0 0;}
.observe-list .post+.post{margin-top:0;}
.eco-box{background:linear-gradient(135deg,var(--g-50),#eefaf9);border:1px solid var(--g-200);border-radius:var(--radius-lg);padding:34px 36px;}
.eco-box .post-body{max-width:none;}
@media (max-width:640px){.eco-box{padding:22px 18px;}}
.about-box{background:var(--ink-900);color:#cfe3d8;border-radius:var(--radius-lg);padding:38px 40px;}
.about-box h2{color:#fff;}
.about-box p{color:#c3d9cd;}
.about-box a{color:var(--c-300);}
.about-box .beian{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);font-size:14px;}
@media (max-width:640px){.about-box{padding:24px 20px;}}

/* ---------- Quick answers ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.quick-group{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;}
.quick-group h3{font-size:15px;color:var(--g-700);letter-spacing:.04em;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line-soft);}
.quick-group dl{margin:0;}
.quick-group dt{font-weight:700;color:var(--t-900);font-size:15px;margin-top:12px;}
.quick-group dt:first-child{margin-top:0;}
.quick-group dd{margin:3px 0 0;font-size:14.5px;color:var(--t-500);line-height:1.8;}
@media (max-width:900px){.quick-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:920px;}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{list-style:none;cursor:pointer;padding:17px 30px 17px 4px;font-size:16px;font-weight:700;color:var(--t-900);position:relative;line-height:1.5;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:22px;color:var(--g-600);transition:transform .2s;}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq .faq-a{padding:0 4px 18px;font-size:15.5px;color:var(--t-500);line-height:1.85;}
.faq .faq-a p{margin:0 0 .6em;}

/* ---------- App page ---------- */
.download-box{background:linear-gradient(135deg,var(--ink-900),var(--ink-800));border-radius:var(--radius-lg);padding:34px 36px;color:#d3e6dc;}
.download-box h2{color:#fff;font-size:24px;}
.download-box p{color:#bcd4c7;}
.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0;}
.dl-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-md);padding:20px;}
.dl-card h3{color:#fff;font-size:17px;margin-bottom:6px;}
.dl-card p{font-size:14px;margin-bottom:14px;}
.check-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px 22px;}
.check-list li{position:relative;padding-left:22px;font-size:14.5px;color:#c8ddd1;}
.check-list li::before{content:"✓";position:absolute;left:0;color:var(--c-300);font-weight:800;}
@media (max-width:720px){.download-box{padding:24px 18px;}.dl-grid,.check-list{grid-template-columns:1fr;}}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.feature-grid a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;color:var(--t-700);box-shadow:var(--shadow-card);}
.feature-grid a:hover{text-decoration:none;border-color:var(--g-500);}
.feature-grid b{display:block;color:var(--t-900);margin-bottom:6px;font-size:15.5px;}
.feature-grid span{font-size:13.8px;color:var(--t-500);line-height:1.7;display:block;}
@media (max-width:1000px){.feature-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.feature-grid{grid-template-columns:1fr;}}
.notice{font-size:13.8px;color:var(--t-500);background:var(--mist);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 16px;margin:0;}

/* ---------- Sources (news) ---------- */
.sources{margin:0;padding:0;list-style:none;display:grid;gap:12px;}
.sources li{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 16px;font-size:14.5px;line-height:1.65;}
.sources .venue{display:block;font-size:12.5px;color:var(--t-400);margin-top:2px;}

/* ---------- More sections links ---------- */
.more-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.more-grid a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:16px 18px;color:var(--t-700);}
.more-grid a:hover{border-color:var(--g-500);text-decoration:none;box-shadow:var(--shadow-card);}
.more-grid b{display:block;color:var(--t-900);font-size:15px;margin-bottom:4px;}
.more-grid span{font-size:13.5px;color:var(--t-500);line-height:1.65;display:block;}
@media (max-width:1000px){.more-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.more-grid{grid-template-columns:1fr;}}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-950);color:#8fa79a;padding:52px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand .brand{margin-bottom:12px;}
.footer-brand p{font-size:13.6px;max-width:340px;line-height:1.75;}
.footer-col h5{color:#d8e8df;font-size:13.8px;letter-spacing:.05em;margin-bottom:14px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:#8fa79a;font-size:13.8px;}
.footer-col a:hover{color:var(--c-300);text-decoration:none;}
.footer-bottom{padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;font-size:12.8px;line-height:1.7;}
.footer-bottom a{color:#b7cdc1;}
.footer-note{margin-top:14px;font-size:12.3px;color:#6f877a;line-height:1.7;}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- Lightbox / back to top ---------- */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(6,14,10,.92);display:none;overflow:auto;-webkit-overflow-scrolling:touch;}
.lightbox.open{display:block;}
.lightbox .lb-inner{min-height:100%;display:flex;align-items:center;justify-content:center;padding:56px 12px 24px;}
.lightbox img{width:min(1100px,100%);min-width:min(880px,220vw);height:auto;background:#f4f9f6;border-radius:10px;}
.lightbox .lb-close{position:fixed;top:12px;right:14px;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(15,28,23,.85);color:#fff;font-size:22px;cursor:pointer;z-index:101;line-height:1;}
.lightbox .lb-cap{position:fixed;left:16px;right:70px;top:16px;color:#cfe3d8;font-size:13.5px;line-height:1.5;z-index:101;max-height:40px;overflow:hidden;}
.back-to-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border-radius:50%;background:var(--ink-800);color:#fff;display:none;align-items:center;justify-content:center;box-shadow:var(--shadow-pop);border:1px solid rgba(255,255,255,.2);cursor:pointer;z-index:50;font-size:18px;}
.back-to-top.show{display:flex;}

/* ---------- Home: chip nav ---------- */
.hero-nav{display:flex;flex-wrap:wrap;gap:8px;padding:0 0 30px;position:relative;}

/* ---------- Print ---------- */
@media print{.site-header,.topbar,.back-to-top,.hero .scan,.toc{display:none;}.hero,.page-hero{background:#fff;color:#000;}}

/* ---------- Article inner page (article-*.html) ---------- */
.art-hero{padding:32px 0 38px;}
.art-hero h1{font-size:clamp(24px,3.2vw,36px);max-width:920px;margin-bottom:14px;}
.art-meta{display:flex;flex-wrap:wrap;gap:6px 22px;font-size:13.5px;color:#a9c2b4;margin:0 0 16px;}
.art-meta .lbl{color:#8aa798;}
.art-lead{max-width:880px;font-size:16px;color:#c6dcd0;margin:0;line-height:1.85;}
.breadcrumb .current{display:inline-block;max-width:min(56ch,62vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;padding-top:44px;padding-bottom:52px;}
.post-page .post-body{max-width:var(--narrow);}
.post-page .post-body h2{font-size:22px;margin:1.8em 0 .6em;padding-left:12px;border-left:4px solid var(--g-500);}
.post-page .post-body h2:first-child{margin-top:0;}
.post-page .post-body h3{font-size:18.5px;margin:1.5em 0 .5em;color:var(--g-700);padding:0;border:0;}
.post-page .post-related h2{font-size:15.5px;margin:0 0 10px;padding:0;border:0;color:var(--t-900);}
.sidebar{position:sticky;top:84px;display:grid;gap:18px;min-width:0;}
.sidebar-box{background:var(--mist);border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;}
.sidebar-box h2{font-size:13.5px;letter-spacing:.06em;color:var(--t-500);margin:0 0 12px;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{margin-bottom:13px;font-size:14px;line-height:1.55;}
.side-list li:last-child{margin-bottom:0;}
.side-list a{color:var(--t-900);font-weight:600;}
.side-list a:hover{color:var(--g-600);}
.side-list time{display:block;font-size:12px;color:var(--t-400);margin-top:2px;}
.side-links{list-style:none;margin:0;padding:0;}
.side-links li{margin-bottom:9px;font-size:14px;}
@media (max-width:1000px){.article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}.sidebar{position:static;}}

/* ---------- Hub cards with thumbnails, link list, read-full ---------- */
.digest-card.has-thumb{padding-top:0;overflow:hidden;}
.digest-card .thumb{display:block;margin:0 -22px 16px;background:var(--mist);border-bottom:1px solid var(--line-soft);}
.digest-card .thumb img{width:100%;height:auto;}
.link-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.link-list li{display:flex;gap:16px;align-items:baseline;padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);}
.link-list time{flex:none;font-size:13px;color:var(--t-400);}
.link-list a{font-weight:600;color:var(--t-900);line-height:1.55;}
.link-list a:hover{color:var(--g-600);text-decoration:none;}
@media (max-width:560px){.link-list li{flex-direction:column;gap:2px;}}
.read-full{margin:26px 0 0;}
.read-full .btn{white-space:normal;text-align:left;line-height:1.55;border-radius:14px;padding:12px 20px;}
.breadcrumb .current{line-height:1.6;padding-bottom:3px;}