/* ==========================================================================
   OEKO 生态纺织技术研究院 · oeko.ac.cn
   设计方向：编辑部式瑞士复兴 × 机构静奢
   象牙纸底 / 深林绿 / 黄铜 / 发丝线 / 宋体展示字 / 拱形图框 / 克制动效
   ========================================================================== */

:root{
  --paper:#F7F4ED;
  --paper-2:#EFEAE0;
  --paper-3:#E9E3D5;
  --ink:#1B241F;
  --ink-2:#48554E;
  --ink-3:#6E7A72;
  --forest:#123829;
  --forest-deep:#0C2A1F;
  --forest-ink:#0A231A;
  --green:#1E6B4F;
  --green-2:#2E7D5B;
  --sage:#8FA898;
  --mist:#DDE4DC;
  --brass:#A17A3B;
  --brass-2:#C2A061;
  --cream:#EFEAD9;
  --line:rgba(27,36,31,.14);
  --line-strong:rgba(27,36,31,.30);
  --line-ivory:rgba(239,234,217,.18);
  --serif:Georgia,'Times New Roman','Songti SC','STSongti-SC','SimSun',serif;
  --sans:-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --mono:'SF Mono','Cascadia Mono',Consolas,'Courier New',monospace;
  --shadow-soft:0 18px 50px -18px rgba(18,56,41,.22);
  --shadow-card:0 6px 24px -10px rgba(27,36,31,.16);
  --w:1240px;
  --r:2px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* 纸张颗粒 */
body::after{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:2000;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}
img,svg{display:block;max-width:100%}
/* 实拍图容器与填充 */
.ph-frame{position:relative;overflow:hidden;background:var(--paper-3)}
.ph-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.art img{width:100%;height:100%;object-fit:cover;display:block}
.art-box img,.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.art-box{position:relative}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
::selection{background:var(--forest);color:var(--cream)}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}

/* ---------- 排版 ---------- */
.wrap{max-width:var(--w);margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.serif{font-family:var(--serif)}
h1,h2,h3,.display{font-family:var(--serif);font-weight:600;line-height:1.28;letter-spacing:.005em}
h1{font-size:clamp(2.1rem,4.6vw,3.7rem);line-height:1.22}
h2{font-size:clamp(1.5rem,2.8vw,2.15rem)}
h3{font-size:clamp(1.12rem,1.8vw,1.35rem)}
p{color:var(--ink-2)}
em,.accent{font-style:italic;color:var(--green)}
strong{color:var(--ink);font-weight:600}

.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.42em;text-transform:uppercase;
  color:var(--brass);display:inline-flex;align-items:center;gap:12px;
}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--brass);flex:none}
.eyebrow.no-rule::before{display:none}

.kicker-num{
  font-family:var(--serif);font-style:italic;font-size:15px;color:var(--brass);letter-spacing:.08em;
}

.section-head{max-width:720px;margin-bottom:clamp(36px,5vw,64px)}
.section-head h2{margin:14px 0 18px}
.section-head .lead{font-size:16.5px}

/* ---------- 入场动效（无 JS 时内容始终可见） ---------- */
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.65,.25,1),transform .9s cubic-bezier(.2,.65,.25,1)}
html.js .reveal.in{opacity:1;transform:none}
html.js .reveal.d1{transition-delay:.12s}html.js .reveal.d2{transition-delay:.24s}
html.js .reveal.d3{transition-delay:.36s}html.js .reveal.d4{transition-delay:.48s}
@media (prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13.5px;letter-spacing:.22em;padding:15px 34px 15px 36px;
  background:var(--forest);color:var(--cream);border:1px solid var(--forest);
  transition:.35s cubic-bezier(.2,.65,.25,1);position:relative;overflow:hidden;
}
.btn .arr{transition:transform .35s}
.btn:hover{background:var(--forest-deep);border-color:var(--forest-deep)}
.btn:hover .arr{transform:translateX(5px)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn.ghost:hover{border-color:var(--forest);color:var(--forest);background:rgba(18,56,41,.05)}
.btn.ivory{background:var(--cream);color:var(--forest);border-color:var(--cream)}
.btn.ivory:hover{background:#fff}
.btn.brass{background:var(--brass);border-color:var(--brass);color:#fff}
.btn.brass:hover{background:#8a672e;border-color:#8a672e}

/* 链接下划线 */
.ln{position:relative;display:inline;color:var(--green);}
.ln::after{content:'';position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .4s cubic-bezier(.2,.65,.25,1)}
.ln:hover::after{transform:scaleX(1);transform-origin:left}

/* ---------- 顶部导航 ---------- */
.site-head{
  position:fixed;top:0;left:0;right:0;z-index:900;
  transition:background .4s,box-shadow .4s,border-color .4s;
  border-bottom:1px solid transparent;
}
.site-head.scrolled{background:rgba(247,244,237,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.head-in{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:14px;flex:none}
.brand-mark{width:44px;height:44px;flex:none;border-radius:9px;object-fit:cover}
.brand-txt{line-height:1.25}
.brand-txt .b1{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:.06em;color:var(--ink);white-space:nowrap}
.brand-txt .b2{font-family:var(--mono);font-size:8.5px;letter-spacing:.3em;color:var(--ink-3);text-transform:uppercase;white-space:nowrap}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:13.5px;letter-spacing:.14em;color:var(--ink-2);position:relative;padding:6px 2px;transition:color .3s}
.nav a::after{content:'';position:absolute;left:50%;bottom:-2px;width:4px;height:4px;border-radius:50%;background:var(--brass);transform:translateX(-50%) scale(0);transition:transform .3s}
.nav a:hover,.nav a.on{color:var(--forest)}
.nav a:hover::after,.nav a.on::after{transform:translateX(-50%) scale(1)}
.head-cta{display:inline-flex}
.head-cta .btn{padding:11px 24px;font-size:12px}

/* 移动端 */
.burger{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:6px}
.burger span{display:block;width:24px;height:1.5px;background:var(--ink);transition:.35s}
.m-menu{position:fixed;inset:0;background:var(--forest-deep);z-index:1100;display:flex;flex-direction:column;justify-content:flex-start;padding:96px 34px 0;transform:translateY(-100%);transition:transform .55s cubic-bezier(.7,0,.3,1),visibility 0s .55s;overflow-y:auto;overscroll-behavior:contain;visibility:hidden}
.m-menu.open{transform:none;visibility:visible;transition:transform .55s cubic-bezier(.7,0,.3,1),visibility 0s}
.m-menu a{font-family:var(--serif);font-size:clamp(1.5rem,6vw,2rem);color:var(--cream);padding:10px 0;border-bottom:1px solid var(--line-ivory);display:flex;justify-content:space-between;align-items:baseline}
.m-menu a i{font-family:var(--mono);font-style:normal;font-size:11px;color:var(--brass-2);letter-spacing:.2em}
.m-menu .m-close{position:absolute;top:22px;right:24px;color:var(--cream);font-size:26px;line-height:1}
@media (max-width:1080px){
  .nav,.head-cta{display:none}
  .burger{display:flex}
  .head-in{height:66px}
  .brand-txt .b2{display:none}
  .brand-txt .b1{font-size:17px}
}

/* ---------- 首页 HERO ---------- */
.hero{position:relative;padding:clamp(140px,17vh,190px) 0 0;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(60% 50% at 82% 18%,rgba(143,168,152,.28),transparent 65%),
    radial-gradient(45% 40% at 8% 85%,rgba(194,160,97,.12),transparent 60%);
}
.hero-word{
  position:absolute;right:-2%;top:2%;font-family:var(--serif);font-style:italic;
  font-size:clamp(120px,24vw,340px);line-height:1;color:transparent;
  -webkit-text-stroke:1px rgba(18,56,41,.10);letter-spacing:-.02em;user-select:none;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .9fr;gap:clamp(40px,6vw,84px);align-items:center;position:relative}
.hero h1{margin:22px 0 24px}
.hero h1 .row2{display:block}
.hero h1 em{color:var(--green);padding:0 .06em}
.hero .sub{max-width:520px;font-size:16.5px;margin-bottom:38px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-note{margin-top:26px;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-3)}
.hero-note .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(30,107,79,.14);flex:none;animation:pulse 2.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(30,107,79,.16)}50%{box-shadow:0 0 0 7px rgba(30,107,79,.05)}}

.hero-visual{position:relative}
.arch{
  border-radius:999px 999px var(--r) var(--r);overflow:hidden;
  background:var(--forest);box-shadow:var(--shadow-soft);
  aspect-ratio:4/4.7;position:relative;
}
.arch .art{position:absolute;inset:0;width:100%;height:100%}
.arch .cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 26px;
  background:linear-gradient(transparent,rgba(10,35,26,.82));color:var(--cream);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;
  display:flex;justify-content:space-between;
}
.float-card{
  position:absolute;left:-56px;bottom:34px;background:rgba(247,244,237,.94);
  border:1px solid var(--line);box-shadow:var(--shadow-card);padding:18px 22px 16px;max-width:264px;
  backdrop-filter:blur(6px);
}
.float-card .fc-k{font-family:var(--mono);font-size:9.5px;letter-spacing:.3em;color:var(--brass);text-transform:uppercase;margin-bottom:8px}
.float-card .fc-t{font-family:var(--serif);font-size:16.5px;font-weight:600;margin-bottom:4px}
.float-card .fc-d{font-size:12px;color:var(--ink-3);line-height:1.6}
.hero-visual .seal{position:absolute;right:-30px;top:-30px;width:104px;height:104px;opacity:.9;animation:spin 40s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 数据条 */
.stat-bar{border-top:1px solid var(--line);margin-top:clamp(56px,8vw,90px)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-cell{padding:30px clamp(14px,2.4vw,34px);border-left:1px solid var(--line)}
.stat-cell:first-child{border-left:0;padding-left:0}
.stat-cell .n{font-family:var(--serif);font-size:clamp(1.9rem,3.4vw,2.7rem);color:var(--forest);line-height:1.1}
.stat-cell .n sup{font-size:.5em;color:var(--brass)}
.stat-cell .d{font-size:12.5px;color:var(--ink-3);margin-top:6px;line-height:1.6}
@media (max-width:900px){.stat-grid{grid-template-columns:1fr 1fr}.stat-cell{border-left:0;padding-left:0;border-top:1px solid var(--line)}.stat-cell:first-child{border-top:0}}

/* 跑马灯 */
.marquee{background:var(--forest);color:var(--cream);overflow:hidden;padding:13px 0;border-block:1px solid var(--forest-deep)}
.marquee-track{display:flex;gap:0;width:max-content;animation:mq 46s linear infinite}
.marquee-track span{font-family:var(--mono);font-size:11px;letter-spacing:.34em;text-transform:uppercase;white-space:nowrap;padding:0 34px;position:relative}
.marquee-track span::after{content:'✦';position:absolute;right:-8px;color:var(--brass-2)}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- 通用区块 ---------- */
.section{padding:clamp(68px,9vw,118px) 0;position:relative}
.section.tint{background:var(--paper-2)}
.section.dark{background:var(--forest);color:var(--cream)}
.section.dark h2,.section.dark h3{color:var(--cream)}
.section.dark p{color:rgba(239,234,217,.78)}
.section.dark .eyebrow{color:var(--brass-2)}
.section.dark .eyebrow::before{background:var(--brass-2)}

.sec-num{
  display:flex;align-items:baseline;gap:16px;margin-bottom:14px;
}
.sec-num .no{font-family:var(--serif);font-style:italic;font-size:clamp(2.4rem,4vw,3.4rem);color:var(--brass);line-height:1}
.sec-num .lb{font-family:var(--mono);font-size:11px;letter-spacing:.4em;text-transform:uppercase;color:var(--ink-3)}
.section.dark .sec-num .lb{color:var(--sage)}

/* 编辑部左右分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,88px);align-items:center}
.split .txt h2{margin:16px 0 20px}
.split .txt p+p{margin-top:14px}
.split .pic{position:relative}
.split .pic .frame{border:1px solid var(--line-strong);padding:14px;background:var(--paper)}
.split .pic .frame .art-box{aspect-ratio:5/4;overflow:hidden;background:var(--forest)}
.split .pic .tag{
  position:absolute;bottom:-16px;left:26px;background:var(--forest);color:var(--cream);
  font-family:var(--mono);font-size:10px;letter-spacing:.3em;padding:10px 18px;text-transform:uppercase;
}
@media (max-width:900px){.split{grid-template-columns:1fr}}

/* 产品等级卡 */
.class-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.class-cell{background:var(--paper);padding:clamp(24px,3vw,38px) clamp(18px,2.4vw,30px);transition:.4s;position:relative;overflow:hidden}
.class-cell:hover{background:var(--forest)}
.class-cell:hover *{color:var(--cream)}
.class-cell:hover .rc{color:var(--brass-2)}
.class-cell .rc{font-family:var(--serif);font-style:italic;font-size:clamp(2.6rem,4vw,3.6rem);color:var(--brass);line-height:1;transition:.4s}
.class-cell h3{margin:16px 0 8px;font-size:1.2rem;transition:.4s}
.class-cell .en{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px;transition:.4s}
.class-cell p{font-size:13.5px;line-height:1.8;transition:.4s}
@media (max-width:980px){.class-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.class-grid{grid-template-columns:1fr}}

/* 体系卡 */
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sys-card{border:1px solid var(--line);background:rgba(247,244,237,.03);padding:34px 30px 30px;position:relative;transition:.4s}
.sys-card:hover{border-color:var(--brass-2);transform:translateY(-5px)}
.sys-card .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.26em;color:var(--brass-2);text-transform:uppercase}
.sys-card h3{margin:14px 0 10px;font-size:1.22rem}
.sys-card p{font-size:13.8px}
.sys-card .idx{position:absolute;top:24px;right:26px;font-family:var(--serif);font-style:italic;color:rgba(239,234,217,.3);font-size:1.1rem}
@media (max-width:980px){.sys-grid{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.sys-grid{grid-template-columns:1fr}}

/* 检测矩阵（暗区） */
.test-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-ivory);border:1px solid var(--line-ivory)}
.test-cell{background:var(--forest);padding:26px 22px;transition:.35s}
.test-cell:hover{background:rgba(239,234,217,.07)}
.test-cell .tt{font-family:var(--serif);font-size:16px;color:var(--cream);margin-bottom:6px}
.test-cell .tv{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--sage)}
@media (max-width:1000px){.test-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.test-grid{grid-template-columns:1fr}}

/* 流程时间线 */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:st}
.step{padding:0 18px 0 0;position:relative;counter-increment:st}
.step::before{content:counter(st,decimal-leading-zero);font-family:var(--serif);font-style:italic;font-size:2rem;color:var(--brass);display:block;line-height:1}
.step::after{content:'';position:absolute;top:14px;left:44px;right:8px;height:1px;background:var(--line-strong)}
.step:last-child::after{display:none}
.step h3{font-size:1.02rem;margin:14px 0 8px}
.step p{font-size:13px;line-height:1.75}
@media (max-width:1080px){.steps{grid-template-columns:repeat(3,1fr);row-gap:34px}}
@media (max-width:620px){.steps{grid-template-columns:1fr 1fr}}

/* 行业方案权限链接区 */
.topic-cloud{display:flex;flex-wrap:wrap;gap:10px}
.topic-cloud a{
  font-size:13px;letter-spacing:.05em;padding:9px 18px;border:1px solid var(--line);
  color:var(--ink-2);transition:.3s;background:transparent;
}
.topic-cloud a:hover{border-color:var(--forest);color:var(--forest);background:rgba(18,56,41,.04)}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--paper)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.tbl caption{caption-side:top;text-align:left;padding:14px 18px;font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--brass);border-bottom:1px solid var(--line)}
.tbl th{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-3);font-weight:400;text-align:left;padding:13px 18px;border-bottom:1px solid var(--line-strong);
  background:var(--paper-2);white-space:nowrap;
}
.tbl td{padding:13px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl td.hd{color:var(--ink);font-weight:600;white-space:nowrap}
.tbl .num{font-family:var(--serif);color:var(--forest)}

/* ---------- 文章页 ---------- */
.breadcrumb{padding:118px 0 0;font-size:12.5px;color:var(--ink-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb li:not(:last-child)::after{content:'/';margin-left:8px;color:var(--line-strong)}
.breadcrumb a:hover{color:var(--forest)}

.a-hero{padding:34px 0 clamp(44px,6vw,72px);position:relative}
.a-hero .meta{display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;margin-top:26px;font-size:12.5px;color:var(--ink-3)}
.a-hero .meta .rev{display:inline-flex;align-items:center;gap:8px}
.a-hero .meta .rev .av{width:26px;height:26px;border-radius:50%;background:var(--forest);color:var(--cream);display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-family:var(--serif)}
.a-hero .meta b{color:var(--ink);font-weight:600}
.a-lead{font-size:clamp(1.05rem,1.6vw,1.22rem);line-height:2;color:var(--ink);max-width:820px}
.a-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.a-tags span{font-family:var(--mono);font-size:10px;letter-spacing:.2em;padding:6px 12px;border:1px solid var(--line-strong);color:var(--ink-2);text-transform:uppercase}

/* hero 变体 B：居中 + 拱顶分隔 */
.a-hero.center{text-align:center}
.a-hero.center .eyebrow{justify-content:center}
.a-hero.center .a-lead{margin:0 auto}
.a-hero.center .meta{justify-content:center}
.a-hero.center .a-tags{justify-content:center}
.a-hero.center::after{content:'';display:block;width:1px;height:56px;background:var(--brass);margin:34px auto 0}

/* hero 变体 C：暗色 */
.a-hero.dark{background:var(--forest);color:var(--cream);margin-top:0;padding:clamp(48px,6vw,84px) 0;position:relative;overflow:hidden}
.a-hero.dark h1{color:var(--cream)}
.a-hero.dark .a-lead{color:rgba(239,234,217,.85)}
.a-hero.dark .meta{color:var(--sage)}
.a-hero.dark .meta b{color:var(--cream)}
.a-hero.dark .eyebrow{color:var(--brass-2)}
.a-hero.dark .a-tags span{border-color:var(--line-ivory);color:var(--sage)}
.a-hero.dark .hero-word{top:auto;bottom:-8%;right:-3%}

/* 正文 */
.article{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(40px,5vw,76px);padding-bottom:clamp(60px,8vw,100px)}
.article.narrow{grid-template-columns:minmax(0,1fr)}.prose{max-width:760px}
.prose>section{margin:clamp(40px,5vw,58px) 0}
.prose h2{margin-bottom:20px;display:flex;align-items:baseline;gap:14px}
.prose h2 .sn{font-family:var(--serif);font-style:italic;font-size:1rem;color:var(--brass);flex:none}
.prose h3{margin:26px 0 12px}
.prose p{margin-bottom:15px}
.prose ul.dash{margin:14px 0}
.prose ul.dash li{padding:7px 0 7px 24px;position:relative;color:var(--ink-2);border-bottom:1px dashed var(--line)}
.prose ul.dash li::before{content:'—';position:absolute;left:0;color:var(--brass)}
.prose ol.num{counter-reset:li;margin:14px 0}
.prose ol.num li{counter-increment:li;padding:9px 0 9px 38px;position:relative;color:var(--ink-2);border-bottom:1px dashed var(--line)}
.prose ol.num li::before{content:counter(li);position:absolute;left:0;top:9px;font-family:var(--serif);font-style:italic;color:var(--green);font-size:1.05em}

/* 提示框 / 引用 */
.note{border-left:2px solid var(--brass);background:var(--paper-2);padding:20px 24px;margin:26px 0;position:relative}
.note .nt{font-family:var(--mono);font-size:10px;letter-spacing:.32em;color:var(--brass);text-transform:uppercase;margin-bottom:8px}
.note p{margin:0;font-size:14.5px;color:var(--ink)}
.quote{margin:34px 0;padding:26px 30px;border-block:1px solid var(--line-strong)}
.quote .q{font-family:var(--serif);font-size:clamp(1.15rem,2vw,1.45rem);line-height:1.75;color:var(--ink)}
.quote .who{margin-top:14px;font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--ink-3);text-transform:uppercase}

/* 侧栏 */
.aside{position:sticky;top:110px;align-self:start;display:flex;flex-direction:column;gap:30px}
.toc{border:1px solid var(--line);padding:26px 24px;background:var(--paper)}
.toc .tt{font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;color:var(--brass);text-transform:uppercase;margin-bottom:14px}
.toc a{display:block;padding:8px 0;border-bottom:1px dashed var(--line);font-size:13.5px;color:var(--ink-2);line-height:1.6}
.toc a:last-child{border-bottom:0}
.toc a:hover{color:var(--forest)}
.aside-card{background:var(--forest);color:var(--cream);padding:28px 26px}
.aside-card .tt{font-family:var(--mono);font-size:10px;letter-spacing:.3em;color:var(--brass-2);text-transform:uppercase;margin-bottom:12px}
.aside-card h3{color:var(--cream);font-size:1.15rem;margin-bottom:10px}
.aside-card p{font-size:13px;color:rgba(239,234,217,.75);margin-bottom:16px}
.aside-card .tel{font-family:var(--serif);font-size:1.5rem;color:var(--cream);letter-spacing:.03em}
@media (max-width:1000px){.article{grid-template-columns:minmax(0,1fr)}.aside{position:static;flex-direction:row;flex-wrap:wrap}.aside>*{flex:1 1 300px;min-width:0}}

/* 数据事实卡 */
.facts{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);margin:30px 0;background:var(--paper)}
.facts>div{padding:16px 22px;border-bottom:1px solid var(--line);display:flex;gap:16px;align-items:baseline;min-width:0}
.facts .k{font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);flex:none;width:110px}
.facts .v{font-size:14px;color:var(--ink);flex:1;min-width:0}
@media (max-width:560px){.facts{grid-template-columns:1fr}.facts>div:nth-child(odd){border-right:0}}

/* FAQ */
.faq-list{border-top:1px solid var(--line-strong)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:22px 4px;cursor:pointer;font-family:var(--serif);font-size:1.12rem;font-weight:600;color:var(--ink);transition:color .3s;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--green)}
.faq-list summary .pm{flex:none;width:26px;height:26px;border:1px solid var(--line-strong);border-radius:50%;display:grid;place-items:center;transition:.35s;position:relative}
.faq-list summary .pm::before,.faq-list summary .pm::after{content:'';position:absolute;background:var(--ink);transition:.35s}
.faq-list summary .pm::before{width:10px;height:1.5px}
.faq-list summary .pm::after{width:1.5px;height:10px}
.faq-list details[open] summary{color:var(--forest)}
.faq-list details[open] summary .pm{background:var(--forest);border-color:var(--forest)}
.faq-list details[open] summary .pm::before,.faq-list details[open] summary .pm::after{background:var(--cream)}
.faq-list details[open] summary .pm::after{transform:rotate(90deg);opacity:0}
.faq-list .fa{padding:2px 44px 24px 4px;color:var(--ink-2);font-size:14.8px}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{border:1px solid var(--line);padding:24px 24px 20px;background:var(--paper);transition:.35s;display:block;position:relative}
.rel-card:hover{border-color:var(--forest);transform:translateY(-4px);box-shadow:var(--shadow-card)}
.rel-card .rc-k{font-family:var(--mono);font-size:9.5px;letter-spacing:.26em;color:var(--brass);text-transform:uppercase}
.rel-card h3{font-size:1.08rem;margin:10px 0 8px}
.rel-card p{font-size:13px;line-height:1.7}
.rel-card .go{margin-top:12px;font-size:12px;letter-spacing:.18em;color:var(--green);display:inline-flex;gap:8px;align-items:center}
@media (max-width:900px){.rel-grid{grid-template-columns:1fr}}

/* CTA 横带 */
.cta-band{background:var(--forest);color:var(--cream);position:relative;overflow:hidden}
.cta-band .cb-in{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(30px,5vw,80px);align-items:center;padding:clamp(56px,8vw,96px) 0}
.cta-band h2{margin:16px 0 14px}
.cta-band p{color:rgba(239,234,217,.75);max-width:520px}
.cta-band .art-bg{position:absolute;right:-60px;top:-40px;width:420px;opacity:.16;pointer-events:none}
.cta-tel .t1{font-family:var(--mono);font-size:10.5px;letter-spacing:.32em;color:var(--brass-2);text-transform:uppercase;margin-bottom:10px}
.cta-tel .t2{font-family:var(--serif);font-size:clamp(1.7rem,3.4vw,2.5rem);color:var(--cream);line-height:1.3}
.cta-tel .t3{font-size:13px;color:var(--sage);margin:10px 0 26px}
@media (max-width:900px){.cta-band .cb-in{grid-template-columns:1fr}}

/* 表单 */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:640px}
.form .full{grid-column:1/-1}
.field label{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:transparent;border:1px solid var(--line-strong);padding:13px 16px;
  font-family:var(--sans);font-size:14.5px;color:var(--ink);transition:border-color .3s;border-radius:var(--r);
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green);outline:none}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.form-privacy{font-size:12px;color:var(--ink-3);margin-top:6px}
@media (max-width:640px){.form{grid-template-columns:1fr}}

/* 外链资源 */
.ext-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.ext-group .eg-t{font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;color:var(--brass);text-transform:uppercase;padding-bottom:12px;border-bottom:1px solid var(--line-strong);margin-bottom:6px}
.ext-group a{display:block;padding:14px 0;border-bottom:1px dashed var(--line)}
.ext-group a .t{font-family:var(--serif);font-size:15.5px;color:var(--ink);display:flex;gap:8px;align-items:baseline}
.ext-group a .t .out{font-size:11px;color:var(--brass)}
.ext-group a .d{font-size:12.5px;color:var(--ink-3);margin-top:3px;line-height:1.7}
.ext-group a:hover .t{color:var(--green)}
@media (max-width:900px){.ext-grid{grid-template-columns:1fr}}

/* 资讯卡 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;border:1px solid var(--line);background:var(--paper);transition:.35s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-card);border-color:var(--line-strong)}
.news-card .thumb{aspect-ratio:16/9;background:var(--forest);overflow:hidden;position:relative}
.news-card .thumb .art{position:absolute;inset:0;width:100%;height:100%}
.news-card .nc-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card .dt{font-family:var(--mono);font-size:10px;letter-spacing:.26em;color:var(--brass);text-transform:uppercase}
.news-card h3{font-size:1.12rem}
.news-card p{font-size:13.5px;flex:1}
.news-card .more{font-size:12px;letter-spacing:.2em;color:var(--green)}
@media (max-width:900px){.news-grid{grid-template-columns:1fr}}

/* Hub 列表页 */
.hub-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.hub-item{background:var(--paper);padding:26px 28px;transition:.35s;display:block}
.hub-item:hover{background:var(--forest)}
.hub-item:hover h3,.hub-item:hover p{color:var(--cream)}
.hub-item:hover .hi-k{color:var(--brass-2)}
.hub-item .hi-k{font-family:var(--mono);font-size:10px;letter-spacing:.26em;color:var(--brass);text-transform:uppercase;transition:.35s}
.hub-item h3{margin:10px 0 8px;transition:.35s;font-size:1.14rem}
.hub-item p{font-size:13.5px;transition:.35s}
@media (max-width:860px){.hub-list{grid-template-columns:1fr}}

/* 关于页 */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.value-cell{border-top:2px solid var(--forest);padding-top:20px}
.value-cell .vc-n{font-family:var(--serif);font-style:italic;color:var(--brass);font-size:1.4rem}
.value-cell h3{margin:10px 0 8px;font-size:1.1rem}
.value-cell p{font-size:13.5px}
@media (max-width:980px){.value-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.value-grid{grid-template-columns:1fr}}
.milestone{border-left:1px solid var(--line-strong);margin-left:8px;padding-left:0}
.milestone li{position:relative;padding:0 0 30px 34px}
.milestone li::before{content:'';position:absolute;left:-5px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--paper);border:2px solid var(--brass)}
.milestone .my{font-family:var(--serif);font-style:italic;font-size:1.25rem;color:var(--forest)}
.milestone h3{font-size:1.02rem;margin:4px 0 6px}
.milestone p{font-size:13.5px}

/* 页脚 */
.site-foot{background:var(--forest-ink);color:rgba(239,234,217,.8);padding:clamp(56px,7vw,84px) 0 0;font-size:13.5px}
.foot-top{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:clamp(26px,4vw,54px);padding-bottom:48px;border-bottom:1px solid var(--line-ivory)}
.foot-brand .brand-mark{margin-bottom:18px}
.foot-brand p{color:rgba(239,234,217,.6);font-size:13px;line-height:1.9}
.foot-brand .tel{font-family:var(--serif);font-size:1.55rem;color:var(--cream);margin:16px 0 4px}
.foot-brand .mail{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--brass-2)}
.foot-col .tt{font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;color:var(--brass-2);text-transform:uppercase;margin-bottom:16px}
.foot-col a{display:block;padding:5px 0;color:rgba(239,234,217,.66);transition:color .3s;font-size:13px}
.foot-col a:hover{color:var(--cream)}
.foot-mid{display:flex;flex-wrap:wrap;gap:12px 30px;padding:22px 0;border-bottom:1px solid var(--line-ivory);align-items:center}
.foot-mid .tt{font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;color:var(--brass-2);text-transform:uppercase;margin-right:6px}
.foot-mid a{font-size:12.5px;color:rgba(239,234,217,.66);border-bottom:1px dashed var(--line-ivory);padding-bottom:2px}
.foot-mid a:hover{color:var(--cream)}
.foot-bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:24px 0;font-size:12px;color:rgba(239,234,217,.45)}
.foot-bot a{color:inherit;border-bottom:1px dashed var(--line-ivory)}
@media (max-width:1000px){.foot-top{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-top{grid-template-columns:1fr}}

/* 回到顶部 */
.to-top{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border:1px solid var(--line-strong);background:rgba(247,244,237,.92);backdrop-filter:blur(6px);display:grid;place-items:center;opacity:0;pointer-events:none;transition:.4s;z-index:800;color:var(--ink)}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--forest);color:var(--cream);border-color:var(--forest)}

/* 404 */
.p404{text-align:center;padding:clamp(160px,24vh,220px) 20px}
.p404 .code{font-family:var(--serif);font-style:italic;font-size:clamp(5rem,16vw,10rem);color:var(--forest);line-height:1}
.p404 p{margin:18px 0 34px}

/* 打印 */
@media print{
  .site-head,.to-top,.cta-band,.marquee,.site-foot,.m-menu{display:none!important}
  body::after{display:none}
}

/* ===== 2026-10 可读性 / 转化组件升级 ===== */

/* 1. 正文与导航放大 */
body{font-size:17px;line-height:1.9}
.btn{font-size:14.5px;padding:16px 36px 16px 38px}
.hero .sub{font-size:17.5px}
.section-head{max-width:780px}
.section-head .lead{font-size:17.5px}
.prose p,.prose li{font-size:17.2px;line-height:1.95}
.prose ul.dash li,.prose ol.num li{padding-top:9px;padding-bottom:9px}
.facts .v{font-size:15px}
.rel-card{padding:28px 28px 24px}
.rel-card h3{font-size:1.2rem}
.rel-card p{font-size:15px;line-height:1.75}
.hub-item{padding:30px 32px}
.hub-item h3{font-size:1.24rem}
.hub-item p{font-size:15.2px}
.class-cell p{font-size:15px}
.sys-card p{font-size:15px}
.aside-card p{font-size:14.5px}
.news-card .nc-body p{font-size:15px}
.foot-col a{font-size:14px}
.site-foot{font-size:14px}
.head-in{height:82px}
.brand-txt .b1{font-size:20.5px}
.nav{gap:14px}
.nav a{font-size:15px;letter-spacing:.06em;white-space:nowrap}
.head-cta{flex:none}
.head-cta .btn{font-size:13px;padding:12px 26px;white-space:nowrap}

/* 页眉客服电话 */
.head-tel{display:inline-flex;flex-direction:column;justify-content:center;line-height:1.15;padding-left:20px;margin-left:2px;border-left:1px solid var(--line);flex:none}
.head-tel .ht-k{font-family:var(--mono);font-size:9px;letter-spacing:.24em;color:var(--ink-3);text-transform:uppercase}
.head-tel .ht-n{font-family:var(--serif);font-size:17px;color:var(--forest);letter-spacing:.01em;white-space:nowrap;margin-top:3px}
.head-tel:hover .ht-n{color:var(--green)}

/* 暗色 Hero 页首反色（滚动后恢复纸底） */
.site-head.on-dark .brand-txt .b1{color:var(--cream)}
.site-head.on-dark .brand-txt .b2{color:rgba(239,234,217,.52)}
.site-head.on-dark .nav a{color:rgba(239,234,217,.72)}
.site-head.on-dark .nav a:hover,.site-head.on-dark .nav a.on{color:var(--cream)}
.site-head.on-dark .head-tel{border-left-color:var(--line-ivory)}
.site-head.on-dark .head-tel .ht-k{color:var(--sage)}
.site-head.on-dark .head-tel .ht-n{color:var(--cream)}
.site-head.on-dark .head-cta .btn{background:var(--cream);border-color:var(--cream);color:var(--forest)}
.site-head.on-dark .burger span{background:var(--cream)}

/* 移动菜单底部联系区 */
.m-contact{margin-top:auto;padding:26px 0 34px;border-top:1px solid rgba(239,234,217,.18);display:grid;gap:14px}
.m-tel{display:flex;align-items:baseline;gap:10px;font-family:var(--serif);font-size:1.5rem;color:var(--cream)}
.m-tel span{font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:var(--brass-2);text-transform:uppercase}
.m-chat{display:flex;align-items:center;justify-content:space-between;background:var(--cream);color:var(--forest);padding:14px 18px;font-size:14px;letter-spacing:.14em;border:0}

/* 2. 免费评估 / 关于页咨询区（替代表单） */
.consult{background:var(--forest);color:var(--cream);position:relative;overflow:hidden;padding:clamp(30px,4vw,50px)}
.consult::before{content:'';position:absolute;right:-90px;top:-90px;width:280px;height:280px;border:1px solid rgba(239,234,217,.16);border-radius:50%;pointer-events:none}
.consult-in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,4vw,54px);align-items:center}
.consult-txt .eyebrow{color:var(--brass-2)}
.consult-txt .eyebrow::before{background:var(--brass-2)}
.consult-txt h2{color:var(--cream);font-size:clamp(1.45rem,2.6vw,2rem);margin:14px 0 14px}
.consult-txt p{color:rgba(239,234,217,.76);font-size:16px;line-height:1.85;max-width:54ch}
.consult-points{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:22px}
.consult-points span{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--sage);border:1px solid var(--line-ivory);padding:7px 11px}
.consult-act{border-left:1px solid var(--line-ivory);padding-left:clamp(22px,3vw,38px)}
.ca-k{font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;color:var(--brass-2);text-transform:uppercase}
.ca-tel{display:block;font-family:var(--serif);font-size:clamp(1.9rem,3.6vw,2.8rem);color:var(--cream);line-height:1.2;margin:10px 0 8px}
.ca-tel:hover{color:#fff}
.ca-note{font-size:13.5px;color:var(--sage);margin-bottom:24px}
.consult-chat{width:100%;justify-content:space-between;background:var(--cream);color:var(--forest);border-color:var(--cream)}
.consult-chat:hover{background:#fff;color:var(--forest-deep)}
.ca-sub{font-size:12.5px;color:rgba(239,234,217,.52);margin-top:10px}
@media (max-width:900px){
  .consult-in{grid-template-columns:1fr}
  .consult-act{border-left:0;padding-left:0;border-top:1px solid var(--line-ivory);padding-top:26px}
}

/* CTA 横带按钮组 */
.cta-tel .t2 a:hover{color:#fff}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px}
.btn.ghost-ivory{background:transparent;color:var(--cream);border-color:rgba(239,234,217,.4)}
.btn.ghost-ivory:hover{background:rgba(239,234,217,.1);border-color:var(--cream)}

/* 3. 页脚备案与电话 */
.foot-brand .tel a:hover{color:#fff}
.fb-legal{display:inline-flex;align-items:center;gap:9px;flex-wrap:wrap}
.fb-legal a{color:rgba(239,234,217,.62);border-bottom:1px dashed var(--line-ivory);padding-bottom:1px}
.fb-legal a:hover{color:var(--cream)}
.fb-legal .sep{color:rgba(239,234,217,.3)}

/* 4. 右下角在线咨询 */
.chat{position:fixed;right:26px;bottom:26px;z-index:1000;display:flex;flex-direction:column;align-items:flex-end}
.chat-panel[hidden],.chat-prompt[hidden]{display:none!important}
.chat-fab{position:relative;display:inline-flex;align-items:center;gap:10px;background:var(--forest);color:var(--cream);border:1px solid rgba(239,234,217,.2);border-radius:999px;padding:13px 20px 13px 16px;box-shadow:0 12px 30px -10px rgba(18,56,41,.55);transition:transform .3s,background .3s,box-shadow .3s}
.chat-fab:hover{background:var(--forest-deep);transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(18,56,41,.6)}
.chat-fab-ic{display:grid;place-items:center;width:30px;height:30px;flex:none}
.chat-fab-tx{font-size:13.5px;letter-spacing:.14em}
.chat-fab-dot{position:absolute;top:-2px;right:-2px;width:11px;height:11px;border-radius:50%;background:var(--brass-2);box-shadow:0 0 0 3px rgba(194,160,97,.28)}
.chat-panel{position:absolute;right:0;bottom:78px;width:356px;max-width:calc(100vw - 32px);background:var(--paper);border:1px solid var(--line);box-shadow:0 30px 70px -22px rgba(18,56,41,.5);overflow:hidden;animation:chatUp .32s cubic-bezier(.2,.65,.25,1)}
.chat-prompt{position:absolute;right:0;bottom:78px;width:306px;max-width:calc(100vw - 32px);background:var(--paper);border:1px solid var(--line);box-shadow:0 22px 50px -20px rgba(18,56,41,.45);padding:16px 18px 15px;animation:chatUp .32s cubic-bezier(.2,.65,.25,1)}
@keyframes chatUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.cp-close{position:absolute;top:6px;right:8px;font-size:18px;line-height:1;color:var(--ink-3);padding:4px}
.cp-close:hover{color:var(--ink)}
.cp-head{display:flex;align-items:center;gap:10px}
.cp-av .brand-mark{width:34px;height:34px;border-radius:7px}
.cp-meta{display:flex;flex-direction:column;line-height:1.25}
.cp-meta b{font-size:14px;color:var(--ink);font-weight:600}
.cp-meta em{font-style:normal;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--green);text-transform:uppercase;margin-top:3px}
.cp-msg{font-size:13.5px;line-height:1.7;color:var(--ink-2);margin:12px 0 14px;padding-right:10px}
.cp-acts{display:flex;align-items:center;gap:12px}
.cp-btn{background:var(--forest);color:var(--cream);padding:9px 18px;font-size:13px;letter-spacing:.12em}
.cp-btn:hover{background:var(--forest-deep)}
.cp-tel{font-family:var(--serif);font-size:15px;color:var(--brass);white-space:nowrap}
.chat-head{display:flex;align-items:center;gap:12px;background:var(--forest);color:var(--cream);padding:16px 18px}
.chat-av .brand-mark{width:38px;height:38px;border-radius:8px}
.chat-id{display:flex;flex-direction:column;line-height:1.3;flex:1;min-width:0}
.chat-id b{font-family:var(--serif);font-size:16px;font-weight:600}
.chat-id em{font-style:normal;font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;color:var(--sage);margin-top:4px;display:flex;align-items:center;gap:6px}
.chat-id em i{width:6px;height:6px;border-radius:50%;background:#7FD3A4;display:inline-block;box-shadow:0 0 0 3px rgba(127,211,164,.18)}
.chat-x{color:rgba(239,234,217,.7);font-size:22px;line-height:1;padding:2px 4px}
.chat-x:hover{color:#fff}
.chat-body{padding:18px 18px 16px}
.chat-hello{font-size:14px;line-height:1.8;color:var(--ink-2)}
.chat-chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 18px}
.chat-chips button{font-size:12.5px;color:var(--forest);border:1px solid var(--line-strong);padding:7px 11px;transition:.25s;background:transparent}
.chat-chips button:hover{border-color:var(--forest);background:rgba(18,56,41,.06)}
.chat-go{width:100%;justify-content:space-between;font-size:14px;padding:14px 20px}
.chat-call{display:block;text-align:center;font-size:13px;color:var(--ink-2);margin-top:12px}
.chat-call b{font-family:var(--serif);font-size:16px;color:var(--brass);letter-spacing:.02em}
.chat-note{font-size:11.5px;color:var(--ink-3);text-align:center;margin-top:10px}
.chat-status{font-size:12.5px;line-height:1.7;color:var(--brass);background:rgba(161,122,59,.08);border:1px solid rgba(161,122,59,.24);padding:10px 12px;margin-top:12px}
.chat-status a{text-decoration:underline}

/* 隐藏易聊自带的悬浮入口，保留其窗口（打开动作由本站按钮触发） */
#jesong_chat_min,.jesong_chat_min{display:none!important}

/* 回到顶部让位给咨询按钮 */
.to-top{bottom:104px}
@media (max-width:640px){.to-top{display:none}}

/* 5. 自适应 */
.site-head .wrap{max-width:1340px}
@media (min-width:1241px) and (max-width:1310px){.head-cta{display:none}}
@media (max-width:1440px){.head-tel{display:none}}
@media (max-width:1240px){
  .nav{display:none}
  .head-cta{display:inline-flex}
  .head-cta .btn{padding:10px 18px;font-size:12px}
  .burger{display:flex}
}
@media (max-width:900px){
  .prose p,.prose li{font-size:16.8px}
  .rel-card p,.hub-item p,.class-cell p,.sys-card p{font-size:14.8px}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .wrap{padding:0 18px}
  .head-in{height:72px}
  .head-cta{display:none}
  .brand-txt .b1{font-size:18px}
  .brand-txt .b2{font-size:8px;letter-spacing:.22em}
  .chat{right:16px;bottom:16px}
  .chat-fab{padding:12px 18px 12px 14px}
  .chat-panel{width:calc(100vw - 32px);bottom:72px;max-height:72vh;overflow:auto}
  .chat-prompt{width:calc(100vw - 32px);bottom:72px}
  .chat-body{padding:16px}
  .consult{padding:24px 20px}
  .ca-tel{font-size:2rem}
  .foot-bot{flex-direction:column;align-items:flex-start}
}