:root{
  --pine:#0E3B2E;          /* 深松绿 */
  --forest:#1F6E4E;        /* 森林绿：全站"深绿"标题色 */
  --leaf:#2E8B5F;
  --mint:#63C99B;
  --mist:#EAF4EE;          /* 薄荷底 */
  --bg:#EDF5F0;
  --ink:#1C2B24;
  --ink-2:#45604F;
  --ink-3:#7C9187;
  --text:#000000;          /* 板块正文 */
  --line:#DCE9E0;          /* 细分隔线 */
  --card-line:#8FB3A0;     /* 板块边框（2px） */
  --white:#FFFFFF;
  --shadow:0 2px 4px rgba(14,59,46,.08),0 16px 36px -16px rgba(14,59,46,.34);
  --radius:16px;
  --grad-card:linear-gradient(135deg,#FFFFFF 0%,#F2F9F4 50%,#D8ECDF 100%);   /* 全站卡片统一渐变 */
  --grad-info:linear-gradient(135deg,#FFFFFF 0%,#F2F8FD 50%,#DCEBF8 100%);   /* 灭火剂板块（极浅蓝） */
  --info-line:#9EBFDB;
  --grad-warn:linear-gradient(135deg,#FFFDF4 0%,#FFF6DA 55%,#FFEDBF 100%);   /* 安全警示板块 */
  --font:"Noto Sans SC",sans-serif;   /* SIL OFL，可免费商用，文件在 assets/fonts */
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
button,input,select{font-family:inherit}
::selection{background:var(--mint);color:var(--pine)}
a{color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}
@media (min-width:1600px){ .wrap{max-width:1400px} }

/* ===== 顶栏 ===== */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(237,245,240,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;flex:none}
.logo-img{height:42px;width:auto;display:block}
.langswitch{display:flex;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:1000px;padding:4px;box-shadow:var(--shadow)}
.langswitch button{
  border:0;background:transparent;cursor:pointer;
  font-size:16px;color:var(--ink-2);padding:6px 16px;border-radius:1000px;transition:.2s;
}
.langswitch button[aria-pressed="true"]{background:var(--pine);color:#fff}
.lang-select{
  appearance:none;-webkit-appearance:none;border:1px solid var(--line);border-radius:1000px;
  background:var(--white);font-size:16px;color:var(--ink);
  padding:8px 34px 8px 16px;box-shadow:var(--shadow);cursor:pointer;outline:none;max-width:200px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%231F6E4E' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.lang-select:focus{border-color:var(--mint)}

/* ===== EU Doc ===== */
#view-eudoc{padding:0 0 30px}
.page-nav{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:20px 0 16px}
.page-nav.bottom-back{margin:24px 0 0}
.doc-card{
  background:var(--white);border:2px solid var(--card-line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:30px 30px 34px;margin-top:20px;
}
.doc-head{
  display:grid;grid-template-columns:1fr auto;column-gap:24px;align-items:start;
  background:var(--grad-card);border-bottom:1px solid var(--line);border-radius:14px 14px 0 0;
  margin:-30px -30px 24px;padding:30px 30px 22px;
}
.doc-head-side{display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.doc-qr{display:block;width:120px;height:120px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:4px}
.doc-head .d-badge{font-size:20px;font-weight:700;color:var(--text)}
.doc-head h2{font-size:26px;font-weight:700;color:var(--forest);line-height:1.3}
.doc-head .d-sub{font-size:16px;color:var(--text)}
.docno-ribbon{
  text-align:right;
  font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);
}
.docno-ribbon b{display:block;font-size:16px;color:var(--forest);letter-spacing:.04em;font-weight:700;margin-top:4px}
#eudocBody .d-title{font-size:22px}
#eudocBody .d-title .no{font-size:16px}
.doc-actions{grid-column:1/-1;display:flex;gap:12px;margin-top:18px;flex-wrap:wrap;align-items:center}
.btn-primary{
  flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  background:var(--pine);color:#fff;border:0;border-radius:12px;padding:14px 18px;
  font-size:16px;transition:.2s;
}
.btn-primary:hover:not(:disabled){background:var(--forest);box-shadow:0 6px 14px -6px rgba(14,59,46,.55);transform:translateY(-2px)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed}
.art-item{margin-bottom:14px}
.art-item b{color:var(--forest);font-weight:700;display:block;margin-bottom:4px}
.schema-title{margin-top:14px}
.schema-img{
  display:block;margin:10px auto 12px;width:240px;max-width:100%;height:auto;
  border:1px solid var(--line);border-radius:12px;background:#fff;
}
.sig-wrap{margin-top:16px}
.sig-img{width:300px;max-width:100%;height:auto;border:1px solid var(--line);border-radius:12px;background:#fff;display:block}

/* ===== 品牌区 ===== */
.hero-inner{padding:72px 0 40px;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--text);border:1px solid var(--card-line);border-radius:1000px;padding:6px 16px;margin-bottom:26px;
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--forest);box-shadow:0 0 0 4px rgba(31,110,78,.16)}
.hero h1{
  font-weight:700;line-height:1.14;
  font-size:64px;letter-spacing:.01em;color:var(--forest);
  overflow-wrap:anywhere;
}
.hero .comply{
  margin-top:20px;font-size:16px;letter-spacing:.04em;color:var(--text);
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
}
.hero .comply::before{content:"";width:26px;height:1px;background:var(--text);display:inline-block}
.hero .intro{margin:16px auto 0;font-size:16px;color:var(--text);max-width:720px}

/* ===== 主区 ===== */
main{position:relative;padding:0 0 80px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:52px 0 22px;flex-wrap:wrap}
.section-head h2{font-size:26px;font-weight:700;color:var(--forest)}
.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.searchbox{
  display:flex;align-items:center;gap:10px;background:var(--white);border:1px solid var(--card-line);
  border-radius:12px;padding:0 16px;height:48px;width:360px;box-shadow:var(--shadow);
}
.searchbox input{border:0;outline:0;background:transparent;font-size:16px;color:var(--ink);width:100%}
.searchbox svg{color:var(--ink-3);flex:none}

/* ===== 表格 ===== */
.table-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;table-layout:fixed;min-width:820px}
colgroup col:nth-child(1){width:25%}
colgroup col:nth-child(2){width:25%}
colgroup col:nth-child(3){width:25%}
colgroup col:nth-child(4){width:25%}
thead th{
  text-align:left;font-size:14px;font-weight:700;text-transform:uppercase;
  color:#fff;background:var(--forest);padding:14px 18px;border-bottom:1px solid #A9CFB8;white-space:nowrap;
}
tbody td{padding:18px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .18s}
tbody tr:hover{background:#F6FBF8}
.model{display:flex;align-items:center;gap:12px}
.model-ico{
  width:40px;height:40px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--grad-card);border:1px solid var(--line);
}
.model b{font-size:16px;font-weight:700;color:var(--pine);display:block;line-height:1.2}
/* ===== 可点击元素：统一带框；悬停变深绿底白字，一眼区分可操作与静态内容 ===== */
.link-btn,.doc-badge,.qr-btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  border:1px solid var(--card-line);background:var(--white);color:var(--forest);
  font-size:14px;padding:8px 14px;border-radius:1000px;transition:.18s;
  box-shadow:0 1px 2px rgba(14,59,46,.08);
}
.link-btn:hover,.doc-badge:hover,.qr-btn:hover,
.back-link:hover,.secnav button:hover,.pg-btn:hover:not(:disabled):not(.on){
  background:var(--forest);border-color:var(--forest);color:#fff;
  box-shadow:0 6px 14px -6px rgba(14,59,46,.55);transform:translateY(-2px);
}
.link-btn svg{transition:transform .18s}
.link-btn:hover svg{transform:translateX(4px)}
.qr-btn svg{color:currentColor}
.empty-row td{text-align:center;color:var(--ink-3);padding:48px 18px;font-size:16px}

/* ===== 分页 ===== */
.pager{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:16px 20px;border-top:1px solid var(--line);background:var(--white);
}
.pager-info{font-size:16px;color:var(--ink-3)}
.pager-info b{color:var(--forest);font-weight:700}
.pager-btns{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.pg-btn{
  min-width:34px;height:34px;padding:0 10px;border:1px solid var(--card-line);background:var(--white);
  border-radius:10px;cursor:pointer;font-size:16px;
  color:var(--forest);display:inline-flex;align-items:center;justify-content:center;transition:.15s;
}
.pg-btn.on{background:var(--pine);border-color:var(--pine);color:#fff}
.pg-btn:disabled{opacity:.38;cursor:not-allowed}
.pg-ellipsis{color:var(--ink-3);font-size:16px;padding:0 2px}

/* ===== 详情页 ===== */
#view-detail{padding:0 0 30px}
.back-link{
  display:inline-flex;align-items:center;gap:10px;cursor:pointer;
  font-size:18px;font-weight:700;color:var(--forest);background:var(--white);
  border:2px solid var(--card-line);border-radius:1000px;padding:10px 22px;
  box-shadow:0 1px 2px rgba(14,59,46,.08);transition:.18s;
}
.back-link svg{width:20px;height:20px}
.detail-head{
  display:grid;grid-template-columns:1fr auto;column-gap:24px;align-items:start;
  background:var(--grad-card);
  border:2px solid var(--card-line);border-radius:var(--radius);
  padding:30px 32px;box-shadow:var(--shadow);
}
.detail-head h2{font-size:38px;font-weight:700;line-height:1.16;color:var(--forest)}
.detail-head .d-sub{margin-top:6px;font-size:16px;color:var(--text)}
.detail-head-main{min-width:0}
.detail-actions{grid-column:1/-1;display:flex;justify-content:flex-end;margin-top:18px}
.secnav{
  position:sticky;top:64px;z-index:40;display:flex;gap:8px;flex-wrap:wrap;
  background:rgba(237,245,240,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);padding:12px 0;margin:18px 0 26px;
}
.secnav a,.secnav button{
  text-decoration:none;font-size:14px;color:var(--forest);
  border:1px solid var(--card-line);background:var(--white);border-radius:1000px;padding:6px 14px;transition:.15s;
  line-height:1.4;cursor:pointer;
}
.d-card{
  background:var(--grad-card);border:2px solid var(--card-line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px 30px;margin-bottom:22px;scroll-margin-top:150px;
}
/* 板块标题：与正文同字体，保留大写，深绿 */
.d-title{
  font-size:20px;font-weight:700;text-transform:uppercase;
  color:var(--forest);margin-bottom:18px;display:flex;align-items:center;gap:12px;
}
.d-title .d-ico{flex:none;display:flex;align-items:center}
.d-title .d-ico img{display:block;width:40px;height:40px}
.d-title::after{content:"";flex:1;height:1px;background:var(--line)}
.d-title .no{color:var(--forest);font-weight:700;font-size:14px}
.d-card#sec-fire{background:var(--grad-info);border-color:var(--info-line)}
.d-card#sec-safety{
  background:var(--grad-warn);
  border:2px solid #E6C565;
}
.haz-ok{color:var(--leaf);font-weight:700;margin-right:6px}
.haz-warn{color:#E07B2A;font-weight:700;margin-right:6px}
.waste-sym{display:flex;align-items:center;gap:18px;padding:12px 0;border-bottom:1px dashed var(--line)}
.waste-sym:last-child{border-bottom:0}
.waste-sym .waste-sym-img{width:58px;height:auto;object-fit:contain;flex:none}
.waste-sym p{margin:0;font-size:16px;color:var(--text);line-height:1.65}
.kv{width:100%;border-collapse:collapse;table-layout:fixed;min-width:0}
.kv td{padding:12px 6px;border-bottom:1px dashed var(--line);font-size:16px;vertical-align:top;color:var(--text)}
.kv td:first-child{width:34%}
.kv tr:last-child td{border-bottom:0}
.d-body{font-size:16px;color:var(--text);line-height:1.75}
.d-body p{margin:0 0 12px}
.d-body ul{margin:0 0 12px;padding-left:20px}
.d-body li{margin-bottom:8px}
.d-body ul.dots{list-style:disc;margin:0 0 12px;padding-left:8px}
.d-body ul.dots li::marker{color:var(--leaf)}
.d-lead{font-weight:700;color:var(--forest)}
.d-note{
  background:var(--mist);border:1px solid var(--line);border-radius:10px;padding:14px 16px;
  font-size:16px;color:var(--text);margin-top:10px;
}
.symbols{display:grid;grid-template-columns:repeat(auto-fill,minmax(178px,1fr));gap:16px}
.sym-item{
  border:1px solid var(--line);border-radius:12px;padding:16px 12px;height:148px;
  background:#FAFDFB;display:flex;align-items:center;justify-content:center;
}
.sym-item .sym-img{height:100px;width:auto;max-width:100%;object-fit:contain}
.subs-table{width:100%;border-collapse:collapse;table-layout:fixed;min-width:0}
.subs-table th{
  text-align:left;font-size:14px;font-weight:700;text-transform:uppercase;
  color:#fff;background:var(--forest);padding:10px 12px;border-bottom:1px solid #A9CFB8;white-space:normal;
}
.subs-table td{padding:10px 12px;border-bottom:1px dashed var(--line);font-size:16px;color:var(--text)}
.subs-table tr:last-child td{border-bottom:0}
/* 窄屏下长单词（邮箱、标准号等）在单元格内断行，不压到相邻列 */
.kv td,.subs-table th,.subs-table td{overflow-wrap:anywhere}

/* ===== 弹窗 ===== */
.overlay{
  position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;
  background:rgba(12,32,25,.55);backdrop-filter:blur(4px);padding:24px;
}
.overlay.open{display:flex}
.modal{
  background:var(--white);border-radius:20px;box-shadow:0 40px 80px -30px rgba(0,0,0,.5);
  width:min(100%,420px);padding:30px;position:relative;animation:pop .24s ease;
}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(8px)}to{opacity:1;transform:none}}
.modal .m-close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  background:var(--white);cursor:pointer;color:var(--ink-2);display:flex;align-items:center;justify-content:center;transition:.18s;
}
.modal .m-close:hover{background:var(--mist);color:var(--pine)}
.modal h3{font-size:20px;font-weight:700;color:var(--forest);margin-bottom:4px}
.modal .m-sub{font-size:16px;color:var(--ink-3);margin-bottom:20px}
.qr-stage{
  display:flex;justify-content:center;padding:22px;background:var(--mist);
  border:1px solid var(--line);border-radius:14px;
}
.qr-img{width:240px;height:240px;background:#fff;display:block}
.qr-size{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;margin-top:18px}
.qr-size label{font-size:16px;font-weight:700;color:var(--forest)}
.qr-size-field{display:inline-flex;align-items:center;border:1px solid var(--card-line);border-radius:10px;background:#fff;overflow:hidden}
.qr-size-field:focus-within{border-color:var(--forest);box-shadow:0 0 0 2px rgba(31,110,78,.18)}
.qr-size-field input{width:96px;border:0;outline:0;padding:8px 10px;font-size:16px;color:var(--text);background:transparent}
.qr-size-field span{padding:8px 12px;background:var(--mist);color:var(--forest);font-size:14px;border-left:1px solid var(--card-line)}
.qr-size-px{flex-basis:100%;font-size:14px;color:var(--ink-2)}   /* 像素换算固定在输入框下一行，不随数字长短换行 */
.qr-size-err{flex-basis:100%;font-size:14px;color:#C0392B}
.modal .m-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.modal .m-actions .btn-ghost{flex-basis:100%}
.btn-ghost{
  flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  background:var(--white);color:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:14px 18px;
  font-size:16px;transition:.2s;
}
.btn-ghost:hover{border-color:var(--forest);color:var(--forest);background:var(--mist)}

/* ===== Footer ===== */
footer{border-top:1px solid var(--line);background:var(--white)}
.footer-inner{padding:34px 48px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
.footer-inner .f-text{font-size:16px;color:var(--ink-2);max-width:640px}
.footer-inner .f-text b{color:var(--pine);font-weight:700}
.footer-inner .f-mark{font-weight:700;color:var(--pine);font-size:16px;letter-spacing:.04em}

@media (max-width:860px){
  .hero-inner{padding:48px 0 32px}
}
/* 特性类型列多，窄屏下每行竖排为「列名：数值」 */
@media (max-width:860px){
  .char-table,.char-table tbody,.char-table tr{display:block}
  .char-table thead{display:none}
  .char-table tr{border:1px solid var(--card-line);border-radius:10px;overflow:hidden;margin-bottom:12px}
  .char-table td{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;padding:8px 12px}
  .char-table tr:last-child td{border-bottom:1px dashed var(--line)}
  .char-table tr td:last-child{border-bottom:0}
  .char-table td::before{content:attr(data-label);font-size:14px;font-weight:700;text-transform:uppercase;color:var(--pine)}
  .char-table td:first-child{background:var(--forest);color:#fff;font-weight:700}
  .char-table td:first-child::before{color:#fff}
}
@media (max-width:640px){
  .hero h1{font-size:34px}
  .detail-head h2{font-size:26px}
  .doc-card{padding:22px 18px}
  .doc-head{margin:-22px -18px 24px;padding:22px 18px}
  .doc-head,.detail-head{grid-template-columns:1fr}
  .detail-head .doc-qr{margin-top:16px}
  .detail-actions{justify-content:flex-start}
  .doc-head-side{flex-direction:row;align-items:center;justify-content:space-between;margin-top:16px}
  .docno-ribbon{text-align:left}
  .sig-img{width:220px}
  .schema-img{width:180px}
}
@media (max-width:560px){
  .wrap{padding:0 18px}
  .footer-inner{padding:34px 38px}
  .hero h1{font-size:32px}
  .section-head{margin-top:38px}
  .searchbox{width:100%}
  .toolbar{width:100%}
  .pager{justify-content:center}
  .detail-head{padding:24px 20px}
  .d-card{padding:22px 18px}
  .secnav{top:58px}
  .symbols{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
a.link-btn,a.doc-badge,a.back-link,a.btn-primary{text-decoration:none}