:root{--navy:#13326b;--orange:#c98b2e;--pale:#EAF2F6;--ink:#1E2A33;--white:#fff;--line:#cedde5;--shadow:0 18px 48px rgba(19,50,107,.16)}*{box-sizing:border-box}html{scroll-behavior:smooth}
/* 第13轮：锚点目标下移，防sticky导航遮挡 */
section[id],.site-header~main [id]{scroll-margin-top:84px}
@media (max-width:700px){section[id]{scroll-margin-top:72px}}body{margin:0;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.65;background:#fff}a{color:inherit}.container{width:min(1180px,calc(100% - 48px));margin:auto}.skip-link{position:absolute;left:-999px;top:0;background:var(--orange);color:#fff;padding:10px;z-index:10}.skip-link:focus{left:10px}.site-header{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.95);border-bottom:1px solid #e5edf1;backdrop-filter:blur(10px)}.header-inner{min-height:72px;display:flex;justify-content:space-between;align-items:center;gap:28px}.brand{font-weight:800;text-decoration:none;color:var(--navy);display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:var(--navy);color:#fff;font-size:12px}nav{display:flex;align-items:center;gap:24px}nav a{text-decoration:none;font-size:14px;font-weight:600}.nav-cta{color:var(--orange)!important}.hero{background:linear-gradient(115deg,#edf5f8 0%,#fff 60%,#f8e9de 130%);padding:92px 0 80px;position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.45fr .8fr;align-items:center;gap:70px}.eyebrow{margin:0 0 10px;text-transform:uppercase;letter-spacing:.12em;color:var(--navy);font-size:13px;font-weight:800}.orange{color:var(--orange)}h1,h2,h3,p{margin-top:0}h1{color:var(--navy);font-size:clamp(40px,5.1vw,70px);line-height:1.16;letter-spacing:-.045em;margin-bottom:24px}h2{color:var(--navy);font-size:clamp(28px,3.1vw,42px);line-height:1.3;letter-spacing:-.025em;margin-bottom:14px}h3{color:var(--navy);font-size:21px;line-height:1.4;margin-bottom:9px}.hero-copy{font-size:20px;max-width:580px;margin-bottom:30px}.hero-actions{display:flex;align-items:center;gap:25px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:10px 20px;border:1px solid var(--navy);border-radius:2px;background:var(--navy);color:#fff;text-decoration:none;font-weight:800;line-height:1.3;cursor:pointer;font:inherit}.button-primary{background:var(--orange);border-color:var(--orange)}.button-light{background:#fff;color:var(--navy);border-color:#fff}.button-outline{background:transparent;color:var(--navy)}.text-link{font-weight:800;color:var(--navy);text-decoration:none}.v18-section{background:var(--navy);color:#fff;padding:52px 0}.v18-layout,.expert-layout,.tools-layout{display:flex;justify-content:space-between;align-items:center;gap:45px}.v18-section h2,.v18-section .eyebrow{color:#fff}.v18-section .orange{color:#f2a36f}.v18-section p{margin-bottom:8px}.v18-summary{font-size:19px;max-width:700px}.section{padding:88px 0}.section-heading{max-width:700px;margin-bottom:37px}.section-heading>p:last-child{font-size:18px}.application-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.app-card{position:relative;border:1px solid var(--line);padding:30px;min-height:285px;display:flex;flex-direction:column;align-items:flex-start}.app-order{position:absolute;right:25px;top:22px;color:#b5c9d4;font-size:28px;font-weight:800}.app-tagline{color:var(--orange);font-size:14px;font-weight:800;margin-bottom:12px}.app-summary{margin-bottom:25px;max-width:470px}.app-card .button{margin-top:auto}.path-section{background:var(--pale)}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.path-grid article{background:#fff;padding:28px;border-top:4px solid var(--navy)}.path-grid span{color:var(--orange);font-size:15px;font-weight:800}.expert-section{padding:76px 0;background:#fdf5f0}.expert-layout>div{max-width:760px}.tools-section{padding:56px 0}.tools-layout h2{margin-bottom:8px}.consultation-section{padding:0 0 90px}.consultation-box{background:var(--navy);padding:42px;color:#fff}.consultation-box h2{color:#fff;margin-bottom:8px}.consultation-box p{margin-bottom:0}.consultation-box .eyebrow{color:#f2a36f}
/* 第15轮：表单错误/成功反馈样式 + 键盘焦点可见性 */
.field-error{color:#c0392b;font-size:13px;font-weight:600;margin:6px 0 0}
[aria-invalid="true"] input,[aria-invalid="true"] select,[aria-invalid="true"] textarea,
input[aria-invalid="true"],select[aria-invalid="true"],textarea[aria-invalid="true"]{border-color:#c0392b;background:#fdf3f2}
.form-feedback.form-success{color:#1e7a45}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
footer{padding:25px 0;background:#0c2c45;color:#d5e3eb;font-size:14px}.detail-shell,.route-shell{background:var(--pale);min-height:calc(100vh - 72px);padding:64px 0 90px}.detail-page,.route-page{max-width:1180px}.back-link{display:inline-block;color:var(--navy);font-weight:700;text-decoration:none;margin-bottom:42px}.detail-page h1,.route-page h1{font-size:clamp(38px,5vw,64px);margin-bottom:8px}.detail-tagline{color:var(--orange);font-size:20px;font-weight:700;margin-bottom:28px}.detail-lead{background:#fff;border-left:5px solid var(--orange);padding:22px 28px;max-width:760px;font-size:20px;margin-bottom:42px;box-shadow:var(--shadow)}.detail-lead p{margin:0}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.detail-grid article,.content-grid article{background:#fff;padding:28px;border:1px solid var(--line);min-height:210px}.detail-number{color:var(--orange);font-weight:800;letter-spacing:.08em}.detail-grid h2,.content-grid h2{font-size:26px;margin:8px 0 10px}.detail-cta,.content-next{margin-top:42px;background:var(--navy);color:#fff;padding:30px 36px;display:flex;justify-content:space-between;align-items:center;gap:28px}.detail-cta h2,.content-next h2{color:#fff;font-size:28px;margin-bottom:8px}.detail-cta p,.content-next p{margin-bottom:0}.detail-cta .eyebrow,.content-next .eyebrow{color:#f2a36f}.detail-cta .button,.content-next .button{flex-shrink:0}.route-intro{max-width:720px;margin-bottom:34px}.route-intro>p:last-child,.content-lead{font-size:19px}.appointment-form{background:#fff;padding:34px;border:1px solid var(--line);max-width:920px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.form-grid label:last-child{grid-column:1/-1}label{display:block;color:var(--navy);font-weight:800;font-size:15px}input,select,textarea{display:block;width:100%;margin-top:7px;border:1px solid #9eb5c2;border-radius:2px;padding:12px;color:var(--ink);background:#fff;font:inherit}textarea{resize:vertical}.consent-row{display:flex;align-items:flex-start;gap:9px;margin:22px 0}.consent-row input{width:auto;margin:3px 0 0;border:none;padding:0}.appointment-form button{width:100%;margin-top:22px}.matrix-section{background:#fff}
.matrix-groups{display:grid;grid-template-columns:1fr 1.4fr;gap:20px;margin-bottom:26px}
.matrix-group{background:var(--pale);padding:26px;border-top:4px solid var(--navy)}
.matrix-group:nth-child(2){border-top-color:var(--orange)}
.matrix-group h3{margin-bottom:14px}
.matrix-list{list-style:none;display:flex;flex-wrap:wrap;gap:9px;padding:0;margin:0}
.matrix-list li{background:#fff;border:1px solid var(--line);padding:7px 14px;font-weight:700;font-size:14px;color:var(--navy)}
.matrix-note{color:var(--navy);font-weight:700;margin-bottom:18px}
@media (max-width:700px){.matrix-groups{grid-template-columns:1fr}}
.hero-grid>*{min-width:0}.v18-layout>*{min-width:0}.hero-visual img,.v18-figure img{max-width:100%}
.detail-block{margin-top:38px}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:16px}
.scene-grid article,.faq-list article{background:#fff;border:1px solid var(--line);padding:26px}
.faq-list{margin-top:16px;display:grid;gap:12px;max-width:860px}
.faq-list h3{font-size:18px}
@media (max-width:700px){.scene-grid{grid-template-columns:1fr}}
.field-error{color:#b3261e;font-size:13px;font-weight:600;margin:6px 0 0}
[aria-invalid="true"]{border-color:#b3261e!important}
.form-success{color:#1c6b3c}
.faq-section{padding-top:0}.faq-container{max-width:880px}.faq-accordion{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--navy)}
.faq-item[open]{border-left-color:var(--orange);box-shadow:var(--shadow)}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;gap:18px;cursor:pointer;padding:20px 24px;color:var(--navy);font-weight:800;font-size:18px;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary span{color:var(--orange);font-size:24px;font-weight:800;transition:transform .2s ease;flex-shrink:0}
.faq-item[open] summary span{transform:rotate(45deg)}
.faq-answer{padding:0 24px 22px}.faq-answer p{margin:0;color:var(--ink)}
@media (max-width:700px){.faq-item summary{padding:16px 16px;font-size:16px}.faq-answer{padding:0 16px 16px}}
.matrix-list li.chip-big{padding:22px 26px;font-size:19px;letter-spacing:1px;flex:1;min-width:150px;text-align:center;display:flex;align-items:center;justify-content:center}
@media(max-width:700px){.matrix-list li.chip-big{min-width:100%;font-size:17px}}
.expert-detail{margin-top:18px;background:#fff;border:1px solid rgba(255,255,255,.35);border-radius:10px;padding:16px 20px}
.expert-detail summary{cursor:pointer;font-weight:700;color:#fff;font-size:16px}
.expert-detail-body{margin-top:12px;display:grid;gap:10px}
.expert-detail-body p{margin:0;font-size:15px;line-height:1.8;color:#f2f6ff}
.expert-detail-body b{color:#ffd27a}
.matrix-list li.chip-big{padding:34px 30px;font-size:22px;min-width:180px}
.matrix-group:first-child{display:flex;flex-direction:column}
.matrix-group:first-child .matrix-list{flex:1;align-content:stretch}
.ind-chip{cursor:pointer;transition:transform .15s, box-shadow .15s}
.ind-chip:hover{transform:translateY(-3px);box-shadow:0 6px 16px rgba(15,40,90,.18);border-color:var(--orange)}
.ind-modal{position:fixed;inset:0;background:rgba(8,16,30,.78);z-index:999;display:flex;align-items:center;justify-content:center;padding:20px}
.ind-modal[hidden]{display:none}.ind-modal-box{background:#fff;border-radius:14px;max-width:420px;width:100%;padding:22px;position:relative;max-height:92vh;overflow:auto}
.ind-modal-close{position:absolute;top:10px;right:14px;font-size:26px;background:none;border:0;cursor:pointer;color:#666}
.ind-modal-desc{font-size:15px;line-height:1.8;color:#333;margin:10px 0 14px}
#ind-modal-video{width:100%;max-height:60vh;border-radius:10px;background:#000;margin-bottom:14px}
.ind-modal-box .button{display:inline-block;text-align:center}
.chain-note{font-size:14px;color:#666;margin:0 0 14px}
.chain-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.chain-grid article h3{font-size:17px}
.chain-grid article p{font-size:13.5px;line-height:1.7}
.chain-grid b{color:var(--orange,#e07b39)}
.custom-banner{background:linear-gradient(135deg,#fff7ef,#fff);border:2px solid var(--orange,#e07b39);border-radius:12px;padding:20px 24px;margin-bottom:18px}
.custom-title{font-size:19px;font-weight:800;color:var(--orange,#c26020);margin:0 0 8px}
.custom-text{font-size:15px;line-height:1.9;color:#333;margin:0}
.custom-text b{color:var(--navy,#1c3a6e)}
.expert-detail-body{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:800px){.expert-detail-body{grid-template-columns:1fr 1fr}}
.v18-video video{width:100%;max-height:420px;border-radius:12px;background:#000;display:block}
@media(max-width:700px){.v18-video video{max-height:300px}}
/* 视频区放大：文字左移压缩，视频占更大空间 */
.v18-layout{gap:24px}.v18-layout>div:first-child{flex:0 0 34%;max-width:34%}.v18-figure{flex:1;margin:0;min-width:0}
.v18-video video{width:100%;max-height:520px}
.free-tools-section{background:#f6fafc}
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:26px}
@media(max-width:800px){.tool-grid{grid-template-columns:1fr}}
.tool-group{background:#fff;border:1px solid var(--line);padding:24px 26px;border-radius:10px}
.tool-group h3{font-size:18px;margin-bottom:12px}
.tool-group ul{list-style:none;padding:0;margin:0}
.tool-group li{border-bottom:1px dashed #dfe9ef;padding:8px 0}
.tool-group a{color:var(--navy);font-weight:700;text-decoration:none;font-size:14.5px}
.tool-group a:hover{color:var(--orange)}
.tool-group a:after{content:" ⬇";font-size:12px;color:var(--orange)}
.tool-note{margin-top:18px;color:#555;font-size:14px}
.section-heading-p{font-size:17px;max-width:760px}
/* 第17轮：V19交付成果提示条 */
.v19-delivery-note{margin-top:1.2rem;padding:1rem 1.2rem;border:1px solid #2f9e6e;border-radius:12px;background:rgba(47,158,110,.08)}
.v19-delivery-note .custom-title{margin:0 0 .4rem;font-size:1rem}
.v19-delivery-note .custom-text{margin:0;font-size:.92rem;line-height:1.7;color:#333}
@media (max-width:768px){.v19-delivery-note{padding:.85rem 1rem}}
/* 0903修复：移动端横向溢出+第七入口文字对比度 */
html,body{overflow-x:hidden;max-width:100vw}
.expert-detail-body p{color:#1c2b3a;font-size:16px;line-height:1.85}
.expert-detail-body b{color:#8a4b12}
.expert-detail{background:#fff8ef;border:1px solid #e8cfae}
.expert-detail h3,.expert-detail-body h3{color:#1c3a6e}
.tool-group,.custom-banner,.v18-figure,.hero-visual{max-width:100%}
.v18-video video{max-width:100%}
@media(max-width:700px){
  .expert-layout>div,.tools-layout>div{max-width:100%}
  .container{width:min(100% - 28px,1180px)}
  .expert-detail{padding:14px 14px}
  .expert-detail-body p{font-size:15px}
}
/* 0903移动端修复2：矩阵标题换行、卡片不贴边 */
@media(max-width:700px){
  .mbr{display:block}
  .matrix-group,.matrix-list{width:100%;box-sizing:border-box}
  .matrix-group h3,.matrix-group .matrix-sub{white-space:normal;word-break:break-all}
  .chip-big{padding:22px 12px;font-size:18px!important;min-width:0}
  .ind-chip{padding:12px 10px;font-size:14px}
  .matrix-list li{max-width:100%}
  .custom-banner{padding:16px 14px}
  .custom-text{font-size:14px}
}
@media(min-width:701px){.mbr{display:none}}
/* 0903修复：V19交付成果卡+交付文案对比度加深 */
.v19-delivery-note{background:#0e2540;border:1px solid #2d5ca8;padding:20px 22px;border-radius:10px}
.v19-delivery-note .custom-title{color:#ffd27a;font-weight:800;font-size:17px}
.v19-delivery-note .custom-text{color:#f4f8ff;font-size:15.5px;line-height:1.9}
.v19-delivery-note .custom-text b{color:#ffd27a}
/* 0903修复：应用目录卡片图缩小为小图标，卡片布局正常 */
.app-icon{width:100%;height:200px;object-fit:cover;object-position:center;border-radius:10px 10px 0 0;margin:-30px -30px 20px;flex-shrink:0;display:block}
@media(max-width:700px){.app-icon{height:150px}}
/* 0903：第七入口三项2列排布 */
.expert-detail{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.expert-detail-item{background:#fff;border:1px solid #e8cfae;border-radius:8px;padding:18px}
.expert-detail-item p{margin:0;font-size:15px;line-height:1.85;color:#1c2b3a}
.expert-detail-item h3{margin:0 0 8px;color:#1c3a6e;font-size:17px}
@media(max-width:700px){.expert-detail{grid-template-columns:1fr}}
/* 0903：免费工具说明文字 */
.tool-desc{display:block;font-size:12.5px;color:#6b5a45;margin:-4px 0 8px;line-height:1.6}
/* 0903：行业矩阵上游/中游/下游层次 */
.matrix-group h3{font-size:16px;color:#0c2c45;border-left:4px solid #f2a36f;padding-left:10px}
.matrix-downstream h3{border-left-color:#b8c6d4}
.chip-dim{background:#f2f4f7;color:#7c8a99;cursor:default}
.chip-dim:hover{transform:none;box-shadow:none}
/* 0903：方块配色升级 */
.matrix-section{background:#f6f9fc}
.ind-chip{background:linear-gradient(145deg,#fff8f2,#ffeedd)!important;border:1px solid #f0c9a8!important;color:#7a4a1f!important;box-shadow:0 2px 6px rgba(12,44,69,.06)}
.ind-chip:hover{background:linear-gradient(145deg,#0f3d63,#081f33);color:#fff;border-color:#0f3d63;box-shadow:0 6px 16px rgba(12,44,69,.25)}
.chip-big{background:linear-gradient(145deg,#e8830a,#c96d08);color:#fff;border:1px solid #c96d08}
.chip-big:hover{background:linear-gradient(145deg,#0f3d63,#081f33);border-color:#0f3d63}
.chip-hint{font-size:12px;font-weight:400;color:#d4710a;margin-left:10px;white-space:nowrap}
/* 0903：应用卡片图片统一尺寸，禁止变形 */
.app-visual{width:100%;height:160px;overflow:hidden;border-radius:8px 8px 0 0;margin:-30px -30px 20px;flex-shrink:0}
.app-visual img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
/* 第24轮：hero侧边流程卡片样式（缺失补全）+ consultation-section */
.hero-card{position:absolute;right:calc(max((100% - 1180px)/2, 24px));top:50%;transform:translateY(-50%);background:#fff;border:2px solid var(--line);border-radius:14px;padding:22px 24px;min-width:210px;box-shadow:var(--shadow);z-index:2}
.card-kicker{font-size:12px;font-weight:800;color:var(--navy);text-transform:uppercase;letter-spacing:.12em;margin:0 0 12px}
.flow-list{list-style:none;padding:0;margin:0;counter-reset:step}
.flow-list li{counter-increment:step;display:flex;align-items:flex-start;gap:10px;padding:7px 0;border-bottom:1px dashed #e5edf1;font-size:14px;font-weight:600;color:var(--navy)}
.flow-list li:last-child{border-bottom:none}
.flow-list li::before{content:counter(step);flex-shrink:0;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;font-weight:800;margin-top:1px}
.flow-list li a{color:inherit;text-decoration:none;display:block;padding:2px 0}
.flow-list li a:hover{color:#f2a36f;font-weight:700}
@media(max-width:900px){.hero-card{position:static;transform:none;min-width:0;width:100%;margin-top:18px}}
/* consultation-section 预约区块 */
.consultation-section{background:var(--pale);padding:60px 0}
.consultation-box{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.consultation-box h2{color:var(--navy);font-size:clamp(26px,3.5vw,42px);margin:0 0 10px}
.consultation-box p{color:var(--ink);font-size:18px;margin:0}
@media(max-width:700px){.consultation-box{flex-direction:column;align-items:flex-start}}

/* 0903第四轮：营销化升级 */
/* 移动端字号优化 */
@media (max-width:700px){
  .hero-copy{font-size:17px}
  .v18-summary{font-size:16px}
  .matrix-list li{font-size:13px;padding:6px 10px}
  .trust-strip{gap:16px!important}
  .trust-strip b{font-size:20px!important}
  .trust-strip span{font-size:11.5px!important}
}
/* 应用卡片图片稳定：固定比例容器 */
.app-visual{width:100%;aspect-ratio:800/200;overflow:hidden;border-radius:8px;margin-bottom:14px}
.app-visual img{width:100%;height:100%;object-fit:cover;display:block}
.app-icon{width:100%;aspect-ratio:800/200;object-fit:cover;border-radius:8px;display:block}
.ind-chip:hover{background:linear-gradient(145deg,#e8830a,#d66b26)!important;color:#fff!important;border-color:#d66b26!important}
/* V18/V19标题防掉行 */
.v18-layout h2{white-space:nowrap;font-size:clamp(24px,2.6vw,36px)}
/* 0903第五轮：矩阵三行布局，消除下游右侧空白 */
.matrix-groups{display:grid;grid-template-columns:1fr 1fr;grid-template-areas:"up mid" "down down";gap:20px;margin-bottom:26px}
.matrix-group:nth-child(1){grid-area:up}
.matrix-group:nth-child(2){grid-area:mid}
.matrix-group:nth-child(3){grid-area:down}
/* 下游行：卡片横向铺满不留白 */
.matrix-group:nth-child(3) .matrix-list{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.matrix-group:nth-child(3) .matrix-list li{width:100%;text-align:center;justify-content:center}
/* 0903第六轮：上游整行在上，中游下游并排在下 */
.matrix-groups{grid-template-columns:1fr 1fr;grid-template-areas:"up up" "mid down"!important}
/* 0903第七轮：上游与中下游行高度对齐 */
.matrix-groups{align-items:stretch}
.matrix-group{display:flex;flex-direction:column}
.matrix-group .matrix-list{flex:1}
/* 上游12格排成6列2行，紧凑等分 */
.matrix-group:nth-child(1) .matrix-list{display:grid;grid-template-columns:repeat(6,1fr);gap:9px}
.matrix-group:nth-child(1) .matrix-list li{width:100%;justify-content:center;text-align:center;padding:14px 6px}
/* 0903第八轮：中游下游与上游同宽、中游卡片缩小 */
.matrix-group:nth-child(2) .matrix-list li.chip-big{padding:14px 16px!important;font-size:16px!important;min-width:100%!important}
.matrix-group:nth-child(2) .matrix-list{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.matrix-group:nth-child(3) .matrix-list{grid-template-columns:repeat(2,1fr);gap:9px}
.matrix-group:nth-child(3) .matrix-list li{padding:14px 8px;font-size:13px}
/* 0903第九轮：下游小字上移+格子加宽（1列与中游实木厂同列宽对齐） */
.matrix-group:nth-child(3) .matrix-list{grid-template-columns:1fr 1fr!important;gap:9px}
.matrix-group:nth-child(3) .matrix-list li{padding:16px 10px!important;font-size:14px}
.chip-hint{font-size:12px;font-weight:400;color:#8a6f52;margin-left:8px}
/* 0903第十轮：左右上下对称 */
/* 中游：3列铺满 */
.matrix-group:nth-child(2) .matrix-list{display:grid;grid-template-columns:repeat(3,1fr)!important;gap:9px}
.matrix-group:nth-child(2) .matrix-list li{min-width:0!important;padding:16px 8px!important}
/* 下游：2列×2行，格子加宽加高与中游格子同尺寸 */
.matrix-group:nth-child(3) .matrix-list{display:grid;grid-template-columns:repeat(2,1fr)!important;gap:9px}
.matrix-group:nth-child(3) .matrix-list li{padding:16px 8px!important;font-size:15px!important}
/* 两块等高：中游下游stretch */
.matrix-groups{align-items:stretch!important}
/* 悬浮CTA胶囊 */
.float-cta{position:fixed;right:22px;bottom:22px;z-index:999;background:linear-gradient(135deg,#f2a36f,#e8830a);color:#fff;font-weight:700;font-size:15px;padding:13px 22px;border-radius:999px;box-shadow:0 6px 20px rgba(232,131,10,.45);text-decoration:none;transition:transform .15s}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(232,131,10,.55)}
@media(max-width:700px){.float-cta{right:14px;bottom:14px;font-size:13px;padding:11px 18px}}
/* 平滑滚动（国际站标准体验） */
html{scroll-behavior:smooth}
/* 跳转后不被顶部导航挡住 */
section[id]{scroll-margin-top:84px}
/* 关键修复：hidden属性强制生效（防CSS display覆盖） */
[hidden]{display:none!important}

/* ===== 小美H5手机适配 375px（仅布局，不改内容）===== */
@media(max-width:700px){
  .matrix-groups{grid-template-columns:1fr!important;grid-template-areas:"up" "mid" "down"!important}
  .matrix-group{padding:16px 12px!important;box-sizing:border-box}
  .matrix-group:nth-child(1) .matrix-list{grid-template-columns:repeat(2,1fr)!important;gap:8px}
  .matrix-group:nth-child(1) .matrix-list li{padding:14px 6px!important;font-size:14px!important}
  .matrix-group:nth-child(2) .matrix-list{grid-template-columns:1fr 1fr!important;gap:8px}
  .matrix-group:nth-child(2) .matrix-list li.chip-big{padding:18px 10px!important;font-size:15px!important}
  .matrix-group:nth-child(3) .matrix-list{grid-template-columns:1fr 1fr!important;gap:8px}
  .chip-hint{display:block;margin:2px 0 0;font-size:11px}
  .matrix-group h3{font-size:15px;line-height:1.5}
  .v18-layout h2{white-space:normal!important;font-size:22px!important}
  h1{font-size:30px!important}
  h2{font-size:28px!important}
  .button{width:100%;min-height:48px;justify-content:center}
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px}
  nav{flex-wrap:wrap;gap:10px 12px;justify-content:flex-start}
  nav a{font-size:13px;padding:10px 0;min-height:48px;display:inline-flex;align-items:center}
  .brand{min-height:48px}
  .flow-list li{min-height:48px;padding:8px 0}
  .flow-list li a{width:100%;padding:8px 0}
  .detail-grid{grid-template-columns:1fr!important}
  .form-grid{grid-template-columns:1fr!important}
  .detail-cta,.content-next{flex-direction:column;align-items:stretch}
  .ind-chip,.matrix-list li,.chip-big{min-width:0!important;max-width:100%;box-sizing:border-box}
  .app-card{padding:16px!important;min-height:0!important}
  .application-grid{grid-template-columns:1fr!important;gap:14px}
  .path-grid{grid-template-columns:1fr!important;gap:14px}
  .path-grid article{padding:20px 16px}
  .v18-industry-grid{grid-template-columns:1fr!important}
  .section{padding:48px 0}
  .hero{padding:48px 0 44px}
}
/* 视频弹窗手机全屏化 */
@media(max-width:700px){
  .ind-modal{padding:0}
  .ind-modal-box{max-width:100%;width:100%;min-height:100vh;max-height:100vh;border-radius:0;padding:18px 14px}
  .ind-modal-close{width:48px;height:48px;font-size:30px;top:6px;right:6px}
  #ind-modal-video{max-height:56vh}
  .ind-modal-box .button{width:100%;display:block;min-height:48px}
}

/* ===== 第32轮同步：V18 5个行业版section样式（来自官网新版index.html） ===== */
.v18-industry-section{padding:64px 0 72px}
.v18-industry-section .section-heading h2{font-size:clamp(24px,2.6vw,34px);margin:8px 0 10px}
.industry-subtitle{color:#5b7185;max-width:820px;margin:0 auto;line-height:1.85}
.v18-industry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:32px 0 22px}
.v18-industry-card{position:relative;background:linear-gradient(160deg,#ffffff 0%,#fff8f2 100%);border:1px solid #f0c9a8;border-radius:14px;padding:22px 22px 18px;cursor:pointer;transition:transform .18s,box-shadow .18s,border-color .18s;box-shadow:0 2px 8px rgba(12,44,69,.06)}
.v18-industry-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(12,44,69,.18);border-color:#0f3d63}
.v18-industry-card:focus-visible{outline:3px solid #e8830a;outline-offset:2px}
.v18-card-tag{display:inline-block;font-size:12px;font-weight:700;background:#fff3e6;color:#7a4a1f;border:1px solid #f0c9a8;border-radius:6px;padding:3px 9px;margin:0 0 12px;letter-spacing:.5px}
.v18-industry-card h3{font-size:20px;line-height:1.35;color:#0c2c45;margin:0 0 10px;font-weight:750}
.v18-card-desc{color:#4a5a6a;font-size:14.5px;line-height:1.7;margin:0 0 12px;min-height:48px}
.v18-card-kpis{list-style:none;padding:0;margin:0 0 12px;display:grid;grid-template-columns:1fr 1fr;gap:6px 10px}
.v18-card-kpis li{font-size:13px;color:#0c2c45;background:#f6f8fb;border-left:3px solid #f2a36f;border-radius:4px;padding:6px 9px;line-height:1.4}
.v18-card-foot{margin:0;font-size:14px;color:#e8830a;font-weight:700}
.v18-card-new{border-color:#0f3d63;background:linear-gradient(160deg,#0f3d63 0%,#081f33 100%);color:#fff}
.v18-card-new .v18-card-tag{background:#ffd9a8;color:#7a4a1f;border-color:#ffd9a8}
.v18-card-new h3{color:#fff}
.v18-card-new .v18-card-desc{color:#d7e8f0}
.v18-card-new .v18-card-kpis li{background:rgba(255,255,255,.08);color:#fff;border-left-color:#ffd9a8}
.v18-card-new .v18-card-foot{color:#ffd9a8}
.v18-card-new:hover{border-color:#ffd9a8;box-shadow:0 14px 32px rgba(255,217,168,.35)}
.v18-industry-foot{text-align:center;margin:18px 0 0;color:#5b7185;font-size:15px}
.v18-industry-foot a{color:#e8830a;font-weight:700;text-decoration:none;border-bottom:1px dashed #e8830a;padding-bottom:1px}
.v18-industry-foot a:hover{border-bottom-style:solid}
@media(max-width:700px){.v18-industry-grid{grid-template-columns:1fr}.v18-card-desc{min-height:auto}.v18-industry-card{padding:18px 16px}.v18-card-kpis{gap:4px 8px}.v18-industry-card h3{font-size:18px}}