/* HQTD Environmental Precision Analytics · V7.0 GitHub website update · 2026-09-18 */
html{scroll-behavior:smooth}
#environment-topics{scroll-margin-top:112px}
#env-topic-emerging,#env-topic-greenhouse,#env-topic-microplastics,#env-topic-custom{scroll-margin-top:122px}

/* Make the enlarged navigation fit after splitting 分析表征 into two boards. */
.site-header-unified .unified-site-nav{gap:20px}
.site-header-unified .unified-site-nav a{font-size:15px}
.site-header-unified .unified-actions{gap:7px}
.site-header-unified .unified-consult{padding-left:13px;padding-right:13px}
@media(max-width:1280px){
  .site-header-unified .unified-nav-wrap{gap:18px;width:min(1440px,calc(100% - 36px))}
  .site-header-unified .unified-brand{width:290px}.site-header-unified .unified-brand img{width:290px}
  .site-header-unified .unified-site-nav{gap:12px}.site-header-unified .unified-site-nav a{font-size:13px}
  .site-header-unified .unified-consult{font-size:12px;padding-left:10px;padding-right:10px}
}

/* Homepage environmental topic block: 3 matching cards + method development below. */
.env-topic-section{padding:74px 0 78px;background:linear-gradient(180deg,#f4f9fd 0%,#eef6fb 52%,#f8fbfd 100%);border-top:1px solid #dbe8f1;border-bottom:1px solid #dbe8f1}
.env-topic-wrap{width:min(1240px,calc(100% - 48px));margin:0 auto}
.env-topic-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.62fr);gap:42px;align-items:end;margin-bottom:28px}
.env-topic-kicker{display:block;color:#0871c5;font-size:12px;font-weight:900;letter-spacing:2.2px}
.env-topic-head h2{margin:8px 0 0;color:#102d4d;font-size:38px;line-height:1.18;letter-spacing:-.6px}
.env-topic-head p{margin:0;color:#60758a;font-size:14px;line-height:1.9}
.env-topic-grid-v7{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.env-topic-card-v7{--topic:#0756a3;--soft:#eaf4ff;position:relative;overflow:hidden;display:flex;flex-direction:column;min-width:0;border:1px solid #d8e5ee;border-radius:14px;background:#fff;color:inherit;text-decoration:none;box-shadow:0 13px 34px rgba(26,66,99,.08);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.env-topic-card-v7:before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--topic)}
.env-topic-card-v7:hover{transform:translateY(-5px);box-shadow:0 22px 48px rgba(25,64,96,.15);border-color:#c8dbe8}
.env-topic-card-v7 .topic-copy{padding:23px 22px 16px}
.env-topic-card-v7 .topic-topline{display:flex;align-items:center;justify-content:space-between;gap:10px}
.env-topic-card-v7 .topic-en{color:var(--topic);font-size:10px;font-weight:900;letter-spacing:1.5px}
.env-topic-card-v7 .topic-status{padding:5px 8px;border-radius:999px;background:var(--soft);color:var(--topic);font-size:10px;font-weight:900;white-space:nowrap}
.env-topic-card-v7 h3{margin:11px 0 0;color:#163654;font-size:21px;line-height:1.42}
.env-topic-card-v7 .topic-media{display:grid;place-items:center;height:304px;margin:0 16px;padding:8px;border-radius:11px;background:linear-gradient(180deg,#f7fbfe,#eef6fb);border:1px solid #e1eaf0;overflow:hidden;box-sizing:border-box}
.env-topic-card-v7 .topic-media img{width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.env-topic-card-v7 .topic-desc{margin:0;padding:16px 22px 0;color:#667b8e;font-size:13px;line-height:1.78}
.env-topic-card-v7 .topic-tags{display:flex;flex-wrap:wrap;gap:7px;padding:14px 22px 18px}
.env-topic-card-v7 .topic-tags span{padding:6px 8px;border:1px solid color-mix(in srgb,var(--topic) 24%,#d9e5ee);border-radius:5px;background:var(--soft);color:var(--topic);font-size:10px;font-weight:900}
.env-topic-card-v7 .topic-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:auto;padding:14px 22px 18px;border-top:1px solid #e8eef3;color:#748797;font-size:11px}
.env-topic-card-v7 .topic-foot strong{color:var(--topic);font-size:12px;white-space:nowrap}
.topic-emerging-v7{--topic:#0b68c8;--soft:#eaf4ff}
.topic-greenhouse-v7{--topic:#268a48;--soft:#ecf8ef}
.topic-microplastics-v7{--topic:#6d4dd1;--soft:#f0ecff}

/* Fourth topic is deliberately placed underneath the three-card row. */
.env-method-card-v7{--topic:#c56f20;--soft:#fff3e7;position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(270px,.65fr);gap:28px;align-items:center;margin-top:22px;padding:26px 28px;border:1px solid #ead8c5;border-radius:14px;background:linear-gradient(120deg,#fff 0%,#fffaf5 62%,#fff5e9 100%);color:inherit;text-decoration:none;box-shadow:0 13px 34px rgba(88,61,31,.08);transition:transform .2s ease,box-shadow .2s ease}
.env-method-card-v7:before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:linear-gradient(90deg,#c56f20,#e3a14f)}
.env-method-card-v7:hover{transform:translateY(-4px);box-shadow:0 22px 48px rgba(88,61,31,.14)}
.env-method-card-v7 .method-kicker{color:#b55f16;font-size:10px;font-weight:900;letter-spacing:1.7px}
.env-method-card-v7 h3{margin:8px 0 10px;color:#173654;font-size:29px;line-height:1.28}
.env-method-card-v7 p{margin:0;color:#65798a;font-size:14px;line-height:1.82}
.env-method-card-v7 .method-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.env-method-card-v7 .method-tags span{padding:7px 9px;border:1px solid #f0d6bb;border-radius:5px;background:#fff4e8;color:#a85a18;font-size:11px;font-weight:900}
.env-method-card-v7 .method-link{display:inline-flex;margin-top:18px;color:#b55f16;font-size:13px;font-weight:900}
.env-method-card-v7 .method-media{display:grid;place-items:center;min-height:310px;border-radius:12px;background:#fff;border:1px solid #eee3d8;overflow:hidden}
.env-method-card-v7 .method-media img{width:100%;height:100%;max-height:360px;object-fit:contain;object-position:center center;display:block}
.env-topic-focus{animation:envTopicFocusV7 1.65s ease both}
@keyframes envTopicFocusV7{0%,100%{box-shadow:0 13px 34px rgba(24,67,104,.08)}20%,72%{box-shadow:0 0 0 4px rgba(11,145,167,.18),0 24px 50px rgba(20,69,108,.22);transform:translateY(-5px)}}

/* Compatibility board hub and split service board pages. */
.split-board-hero{padding:66px 0 56px;background:linear-gradient(135deg,#eef7fd,#f8fbfd 58%,#f5fbf8);border-bottom:1px solid #dae7ef}
.split-board-container{width:min(1240px,calc(100% - 48px));margin:0 auto}
.split-board-kicker{display:block;color:#0871c5;font-size:11px;font-weight:900;letter-spacing:2px}.split-board-hero h1{margin:10px 0 10px;color:#102d4d;font-size:43px;line-height:1.15}.split-board-hero p{max-width:820px;margin:0;color:#61768a;font-size:15px;line-height:1.9}
.split-board-section{padding:56px 0}
.split-board-choice-only{padding-top:34px}.split-board-section.soft{background:#f5f9fc}.split-board-title{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}.split-board-title h2{margin:0;color:#153653;font-size:30px}.split-board-title p{max-width:600px;margin:0;color:#6b7f91;font-size:13px;line-height:1.75}
.split-board-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.split-board-card{display:block;padding:23px;border:1px solid #dbe6ee;border-top:4px solid #0756a3;border-radius:10px;background:#fff;color:inherit;text-decoration:none;box-shadow:0 8px 24px rgba(25,64,96,.05)}.split-board-card.env{border-top-color:#0b917f}.split-board-card h3{margin:8px 0;color:#173654;font-size:19px}.split-board-card p{margin:0;color:#6b7f90;font-size:12px;line-height:1.75}.split-board-card span{color:#0871c5;font-size:10px;font-weight:900;letter-spacing:1.2px}.split-board-card.env span{color:#0b917f}.split-board-card .go{display:block;margin-top:14px;color:#0756a3;font-size:12px;font-weight:900}.split-board-card.env .go{color:#0b917f}
.split-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.split-choice{display:block;padding:34px;border-radius:14px;color:#fff;text-decoration:none;box-shadow:0 18px 44px rgba(19,55,86,.14)}.split-choice.material{background:linear-gradient(135deg,#123d71,#4562c1)}.split-choice.environment{background:linear-gradient(135deg,#08738a,#18a585)}.split-choice span{font-size:10px;font-weight:900;letter-spacing:1.8px;color:#dcecff}.split-choice h2{margin:10px 0 10px;font-size:29px}.split-choice p{margin:0;color:#e3eef6;font-size:13px;line-height:1.8}.split-choice strong{display:block;margin-top:18px;font-size:13px}

/* Environment board: same 3 + 1 hierarchy, but slightly tighter. */
.env-board-v7 .env-topic-grid-v7{margin-top:24px}.env-board-v7 .env-method-card-v7{margin-top:20px}

/* Topic-page return path. */
.env-topic-return{background:#f5f9fc;border-bottom:1px solid #dce7f1}.env-topic-return-inner{width:min(1240px,calc(100% - 48px));margin:0 auto;padding:13px 0}.env-topic-return a{display:inline-flex;align-items:center;gap:6px;color:#0756a3;font-size:12px;font-weight:900;text-decoration:none}.env-topic-return a:hover{color:#0b91a7}

/* Method-development page. */
.custom-scope-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.custom-scope-card{padding:22px;border:1px solid #dce7ef;border-radius:10px;background:#fff;box-shadow:0 8px 24px rgba(25,64,96,.05)}.custom-scope-card .num{display:block;color:#0b91a7;font-size:11px;font-weight:900;letter-spacing:1px}.custom-scope-card h3{margin:10px 0 8px;color:#173654;font-size:18px}.custom-scope-card p{margin:0;color:#6d8092;font-size:12px;line-height:1.75}.custom-highlight-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.custom-highlight{padding:25px;border-radius:11px;background:linear-gradient(135deg,#072f58,#086d82);color:#fff}.custom-highlight:nth-child(2){background:linear-gradient(135deg,#263d58,#8a5c2c)}.custom-highlight span{display:block;color:#98e2e0;font-size:10px;font-weight:900;letter-spacing:1.3px}.custom-highlight h3{margin:9px 0 10px;font-size:21px}.custom-highlight p{margin:0;color:#d5e8f0;font-size:13px;line-height:1.8}.custom-method-note{margin-top:20px;padding:18px 20px;border-left:4px solid #d88431;background:#fff8ef;color:#5f5142;font-size:12px;line-height:1.8}.custom-method-note strong{color:#7f4b17}.custom-method-visual{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:26px;align-items:center;margin:22px 0 0;padding:22px;border:1px solid #e5dfd7;border-radius:12px;background:#fff}.custom-method-visual img{width:100%;max-height:410px;object-fit:contain;border-radius:10px}.custom-method-visual h3{margin:0 0 9px;color:#173654;font-size:22px}.custom-method-visual p{margin:0;color:#697d8f;font-size:13px;line-height:1.8}

/* Compact homepage floating navigator. */
.env-floating-hub-v7{position:fixed!important;top:124px!important;right:26px!important;z-index:2090!important;width:min(318px,calc(100vw - 34px))!important;padding:20px 18px 17px!important;border:1px solid rgba(255,255,255,.22)!important;border-radius:15px!important;background:linear-gradient(145deg,#073d70 0%,#0873b8 58%,#0b91a7 100%)!important;color:#fff!important;box-shadow:0 22px 56px rgba(5,54,96,.28)!important;backdrop-filter:blur(15px)}
.env-floating-hub-v7[hidden],.env-floating-reopen-v7[hidden]{display:none!important}.env-floating-hub-v7 .env-floating-close{position:absolute;right:10px;top:10px;width:31px;height:31px;border:1px solid rgba(255,255,255,.3);border-radius:50%;background:rgba(255,255,255,.08);color:#fff;font-size:20px;line-height:1;cursor:pointer}.env-floating-hub-v7 .env-floating-kicker{display:flex;align-items:center;gap:7px;padding-right:34px;color:#caeff8;font-size:9px;font-weight:900;letter-spacing:1.35px}.env-floating-hub-v7 .env-floating-kicker span{display:block;width:27px;height:4px;border-radius:999px;background:#ff9a2f}.env-floating-hub-v7 h2{margin:12px 35px 4px 0!important;color:#fff!important;font-size:22px!important;line-height:1.22!important}.env-floating-hub-v7 .env-floating-intro{margin:0 0 13px!important;color:#d9eff8!important;font-size:11px!important;line-height:1.55!important}.env-floating-shortcuts{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin-bottom:10px}.env-floating-shortcuts button{min-height:36px;padding:7px 5px;border:1px solid rgba(255,255,255,.23);border-radius:7px;background:rgba(255,255,255,.1);color:#fff;font-size:11px;font-weight:900;cursor:pointer}.env-floating-shortcuts button:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.42)}.env-floating-all{width:100%;min-height:39px;border:0;border-radius:7px;background:#fff;color:#0756a3;font-size:11px;font-weight:900;cursor:pointer;box-shadow:0 8px 18px rgba(4,44,80,.12)}.env-floating-reopen-v7{position:fixed;right:24px;top:150px;z-index:2088;min-width:164px;padding:10px 13px;border:1px solid rgba(255,255,255,.26);border-radius:10px;background:linear-gradient(135deg,#0756a3,#0b91a7);color:#fff;text-align:left;box-shadow:0 16px 38px rgba(5,54,96,.24);cursor:pointer}.env-floating-reopen-v7 strong{display:block;font-size:12px}.env-floating-reopen-v7 small{display:block;margin-top:2px;color:#d4eff8;font-size:9px}

#hqtd-emerging-platform-entry,.hqtd-ec-float{display:none!important}

@media(max-width:1050px){
  .env-topic-head{grid-template-columns:1fr;gap:13px}.env-topic-grid-v7{grid-template-columns:1fr 1fr}.env-topic-grid-v7 .env-topic-card-v7:last-child{grid-column:1/-1}.env-topic-grid-v7 .env-topic-card-v7:last-child .topic-media{height:300px}.split-board-grid{grid-template-columns:1fr 1fr}.custom-scope-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:820px){
  .env-topic-wrap,.split-board-container,.env-topic-return-inner{width:min(100% - 28px,680px)}.env-topic-section{padding:54px 0}.env-topic-head h2{font-size:31px}.env-topic-grid-v7{grid-template-columns:1fr}.env-topic-grid-v7 .env-topic-card-v7:last-child{grid-column:auto}.env-topic-card-v7 .topic-media{height:300px}.env-method-card-v7{grid-template-columns:1fr}.env-method-card-v7 .method-media{min-height:290px}.split-board-grid,.split-choice-grid{grid-template-columns:1fr}.custom-highlight-grid,.custom-method-visual{grid-template-columns:1fr}.env-floating-hub-v7{top:auto!important;right:12px!important;bottom:88px!important;width:calc(100vw - 24px)!important}.env-floating-reopen-v7{top:auto!important;right:12px!important;bottom:88px!important;min-width:155px}
}
@media(max-width:620px){.custom-scope-grid{grid-template-columns:1fr}.env-topic-card-v7 .topic-media{height:270px}.split-board-hero h1{font-size:35px}.env-method-card-v7 h3{font-size:25px}}


/* V7.1 环境专题提交需求：Word 送样/技术需求表下载 */
.env-requirement-template{display:grid;gap:11px;margin:16px 0 14px;padding:15px 16px;border:1px solid #cbddea;border-radius:10px;background:linear-gradient(135deg,#f4f9fd,#eef8f7);text-align:left}
.env-requirement-template-copy strong,.env-requirement-template-copy span{display:block}.env-requirement-template-copy strong{color:#173b59;font-size:14px}.env-requirement-template-copy span{margin-top:5px;color:#657b8d;font-size:11px;line-height:1.7}
.env-requirement-template-link{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 14px;border-radius:8px;background:#075da6;color:#fff!important;font-size:12px;font-weight:900;text-decoration:none!important;box-shadow:0 8px 18px rgba(7,93,166,.16)}
.env-requirement-template-link:hover{background:#064f8d}
@media(max-width:620px){.env-requirement-template{padding:13px}.env-requirement-template-link{width:100%;box-sizing:border-box}}