/* ============================================================
   新疆热景锅炉有限公司 · 站点样式
   设计基调：LOGO 深蓝为主 + 工业绿为辅 + 亮黄点缀 + 白纸面
   衬线标题，工程手册风（版式与总部官网的轮播企业站区分开）
   ============================================================ */

:root{
  --ink:#14273B;
  --blue:#1B4076;
  --blue-2:#15335C;
  --blue-3:#0B1F33;
  --green:#17795C;
  --green-2:#0F6049;
  --green-3:#0B4031;
  --green-soft:#8FC9B4;
  --yellow:#F2B62E;
  --yellow-2:#D2961A;
  --yellow-soft:#FDF2D8;
  --paper:#F6F9F8;
  --paper-2:#E9F1EE;
  --line:#DCE7E3;
  --line-2:#C3D3CE;
  --muted:#55686E;
  --white:#FFFFFF;
  --radius:3px;
  --wrap:1160px;
  --shadow:0 1px 2px rgba(27,64,118,.06),0 12px 28px -18px rgba(27,64,118,.30);
  --serif:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong","SimSun",Georgia,"Times New Roman",serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--green)}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;font-weight:600;letter-spacing:.015em}
h1,h2{font-family:var(--serif)}
h1{font-size:clamp(1.72rem,3.4vw,2.55rem);letter-spacing:.01em}
h2{font-size:clamp(1.34rem,2.2vw,1.78rem)}
h3{font-size:1.12rem}
h4{font-size:1rem}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.1em;padding-left:1.25em}
li{margin:.32em 0}
strong{font-weight:600;color:#0F2233}
small{font-size:.85rem}
hr{border:0;border-top:1px solid var(--line);margin:2.2rem 0}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 14px;border:1px solid var(--line)}

/* ---------- 顶部工具条 ---------- */
.util{background:var(--blue-3);color:#A9C0CE;font-size:.82rem;letter-spacing:.02em;border-bottom:2px solid var(--yellow)}
.util .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:36px;padding-top:4px;padding-bottom:4px;flex-wrap:wrap}
.util a{color:#D6E6E2}
.util .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--yellow);margin-right:7px;vertical-align:middle}

/* ---------- 站头 ---------- */
.site-head{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:saturate(140%) blur(8px)}
.head-inner{display:flex;align-items:center;gap:28px;min-height:74px}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo-mark{width:38px;height:38px;flex:none}
.logo-txt{display:flex;flex-direction:column;line-height:1.15}
.logo-txt b{font-size:1.06rem;letter-spacing:.04em;color:var(--blue);font-weight:600}
.logo-txt span{font-size:.72rem;color:var(--muted);letter-spacing:.18em}
.nav{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav a{font-size:.95rem;color:#23384C;padding:6px 0;border-bottom:2px solid transparent;white-space:nowrap}
.nav a:hover,.nav a[aria-current="page"]{color:var(--green-2);border-bottom-color:var(--yellow)}
.head-cta{display:flex;align-items:center;gap:14px;flex:none}
.head-tel{font-size:.86rem;color:var(--muted);text-align:right;line-height:1.3}
.head-tel b{display:block;font-size:1.02rem;color:var(--blue);letter-spacing:.02em}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line-2);border-radius:var(--radius);padding:7px 11px;font-size:.9rem;color:var(--blue)}

.btn{display:inline-flex;align-items:center;gap:8px;background:var(--green);color:#fff;border:1px solid var(--green);padding:10px 20px;border-radius:var(--radius);font-size:.93rem;font-weight:500;transition:.18s}
.btn:hover{background:var(--green-2);color:#fff;border-color:var(--green-2)}
.btn.ghost{background:transparent;color:var(--blue);border-color:var(--line-2)}
.btn.ghost:hover{background:#fff;color:var(--green-2);border-color:var(--green)}
.btn.sm{padding:7px 15px;font-size:.86rem}

/* ---------- 面包屑 ---------- */
.crumb{background:var(--paper-2);border-bottom:1px solid var(--line);font-size:.82rem;color:var(--muted)}
.crumb .wrap{display:flex;flex-wrap:wrap;gap:8px;padding-top:10px;padding-bottom:10px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--green-2)}
.crumb .sep{color:var(--line-2)}
.crumb [aria-current]{color:var(--ink)}

/* ---------- 首屏（浅色工程图版式） ---------- */
.hero{background:linear-gradient(170deg,#FFFFFF 0%,#F2F8F5 55%,#E4F0EA 100%);color:var(--ink);position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(27,64,118,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(27,64,118,.055) 1px,transparent 1px);background-size:56px 56px;pointer-events:none;mask-image:radial-gradient(ellipse at 74% 12%,#000 16%,transparent 76%)}
.hero .wrap{position:relative;z-index:1;padding-top:58px;padding-bottom:54px}
.hero-grid{display:grid;grid-template-columns:1.32fr .68fr;gap:48px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.78rem;letter-spacing:.22em;color:var(--green-2);text-transform:uppercase;margin-bottom:16px}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--yellow)}
.hero h1{color:var(--blue-2);margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--green)}
.hero-lead{font-size:1.06rem;color:#3D5064;max-width:44em;margin-bottom:24px}
.hero-lead strong{color:var(--blue-2);font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero .btn.ghost{color:var(--blue);border-color:var(--line-2)}
.hero .btn.ghost:hover{background:#fff;color:var(--green-2);border-color:var(--green)}
.hero-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--blue);border:1px solid var(--blue);border-top:3px solid var(--yellow);margin-top:8px}
.hero-facts div{background:var(--blue-2);padding:16px 18px}
.hero-facts b{display:block;font-size:1.5rem;color:#fff;letter-spacing:-.01em;line-height:1.2;font-family:var(--serif)}
.hero-facts span{font-size:.8rem;color:#A9C0CE}
.hero-card{background:var(--green-3);border:1px solid var(--green-2);border-top:3px solid var(--yellow);padding:22px 24px;color:#D6E6E2}
.hero-card h2{font-size:.95rem;color:#fff;letter-spacing:.04em;margin-bottom:14px}
.hero-card dl{margin:0;font-size:.86rem}
.hero-card dt{color:#93B4AE;font-size:.76rem;letter-spacing:.1em;margin-top:11px}
.hero-card dd{margin:2px 0 0;color:#E6F2EE;line-height:1.55}
.hero-card .hint{font-size:.74rem;color:#86A8A2;margin-top:14px;line-height:1.5;border-top:1px dashed rgba(255,255,255,.22);padding-top:12px}
.hero-card a{color:var(--yellow);text-decoration:none}
.hero-card a:hover{color:#FFD98A;text-decoration:underline}

/* ---------- 通用区块 ---------- */
.section{padding:62px 0}
.section.tight{padding:44px 0}
.section.alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section.paper2{background:var(--paper-2)}
.sec-head{max-width:760px;margin-bottom:30px}
.sec-head .kicker{display:block;font-size:.78rem;letter-spacing:.2em;color:var(--green-2);font-weight:600;margin-bottom:10px;padding-left:14px;position:relative}
.sec-head .kicker::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;background:var(--yellow)}
.sec-head p{color:var(--muted);margin-bottom:0}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .kicker{padding-left:0}
.sec-head.center .kicker::before{display:none}

/* 卡片网格 */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-top:2px solid var(--blue);padding:24px 22px;border-radius:var(--radius);transition:.18s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow);border-color:var(--line-2);border-top-color:var(--yellow);transform:translateY(-2px)}
.card h3{font-size:1.06rem;margin-bottom:8px}
.card p{font-size:.92rem;color:var(--muted);margin-bottom:12px}
.card .more{margin-top:auto;font-size:.86rem;color:var(--green-2);font-weight:500}
.card .num{display:inline-block;align-self:flex-start;font-size:.74rem;letter-spacing:.16em;color:#7A5008;background:var(--yellow-soft);padding:2px 9px;font-weight:600;margin-bottom:10px}
.card ul{font-size:.9rem;color:var(--muted);padding-left:1.1em;margin-bottom:0}

/* 事实条 / 数据 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-top:3px solid var(--green)}
.stats div{background:var(--white);padding:20px 18px}
.stats b{display:block;font-size:1.55rem;color:var(--blue);line-height:1.2;font-family:var(--serif)}
.stats span{font-size:.82rem;color:var(--muted)}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--white);margin:18px 0 10px}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--paper-2);font-weight:600;color:var(--blue);font-size:.84rem;letter-spacing:.02em;white-space:nowrap;border-top:2px solid var(--blue)}
tbody tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:#FAFCFB}
.tbl-note{font-size:.8rem;color:var(--muted);margin-bottom:20px}

/* 定义列表（规格） */
.spec{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:20px 0}
.spec div{background:var(--white);padding:14px 18px}
.spec dt{font-size:.78rem;color:var(--muted);letter-spacing:.04em}
.spec dd{margin:2px 0 0;font-size:1rem;color:var(--ink);font-weight:500}

/* 正文排版 */
.prose{max-width:none}
.prose h2{margin-top:2.1em;padding-top:.2em}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.6em;color:var(--blue)}
.prose > p:first-of-type{font-size:1.04rem;color:#26394B}
.prose blockquote{margin:1.4em 0;padding:14px 20px;background:var(--paper-2);border-left:3px solid var(--yellow);font-size:.95rem;color:#26394B}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{font-size:.88rem}
.prose code{background:var(--paper-2);padding:1px 5px;border-radius:3px;font-size:.88em}

/* 答案框（GEO 摘要块） */
.answer{background:#fff;border:1px solid var(--line);border-left:3px solid var(--green);padding:18px 22px;margin:0 0 26px}
.answer .label{display:block;font-size:.74rem;letter-spacing:.18em;color:var(--green-2);font-weight:600;margin-bottom:8px}
.answer p{margin-bottom:0;font-size:.98rem;color:#26394B}

/* 要点列表 */
.ticks{list-style:none;padding-left:0}
.ticks li{position:relative;padding-left:24px;font-size:.94rem}
.ticks li::before{content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;background:var(--yellow);border-radius:1px}
.ticks.plain li::before{background:var(--green)}

/* 两栏布局 */
.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.two-col.rev{grid-template-columns:.85fr 1.15fr}
.aside-box{background:var(--paper-2);border:1px solid var(--line);border-top:3px solid var(--blue);padding:22px 22px 8px}
.aside-box h3{font-size:.98rem;margin-bottom:12px}
.aside-box ul{font-size:.9rem;color:var(--muted)}
.aside-box .btn{margin:4px 0 18px}
.sticky{position:sticky;top:96px}

/* FAQ（问题用 h3 承载，H2 区块问题 → H3 具体问法） */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);background:transparent}
.faq summary{cursor:pointer;padding:17px 34px 17px 0;position:relative;list-style:none}
.faq summary h3{display:inline;margin:0;font-size:1rem;font-weight:500;line-height:1.62;color:var(--ink);font-family:inherit;letter-spacing:0}
.faq summary:hover h3{color:var(--blue)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:1.2rem;color:var(--green);font-weight:400;transition:.2s}
.faq details[open] summary::after{content:"−"}
.faq details[open] summary h3{color:var(--blue-2)}
.faq .a{padding:0 0 18px;font-size:.94rem;color:#26394B;max-width:74ch}
.faq .a p:last-child{margin-bottom:0}

/* 相关链接 */
.related{border-top:1px solid var(--line);margin-top:12px;padding-top:20px}
.related h3{font-size:.82rem;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.related ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px 24px;font-size:.93rem}
.related li::before{content:"→";color:var(--green);margin-right:8px;font-size:.85rem}

/* 时间 / 来源 */
.meta{font-size:.8rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 18px;margin:0 0 22px}
.meta span::before{content:"·";margin-right:8px;color:var(--line-2)}
.meta span:first-child::before{display:none}
.cite{font-size:.82rem;color:var(--muted)}
.cite a{color:var(--muted);text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:3px}
.cite a:hover{color:var(--green-2)}

/* CTA 条（蓝→绿过渡，黄色压边） */
.cta-bar{background:linear-gradient(100deg,#123A62 0%,#155A48 100%);color:#D6E6E2;padding:38px 0;border-top:3px solid var(--yellow)}
.cta-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-bar h2{color:#fff;font-size:1.28rem;margin-bottom:4px}
.cta-bar p{margin:0;font-size:.92rem;color:#A9C6BF}
.cta-bar .btn{background:var(--yellow);color:#2B2103;border-color:var(--yellow)}
.cta-bar .btn:hover{background:#FFC94A;color:#2B2103;border-color:#FFC94A}

/* 页脚 */
.site-foot{background:var(--blue-3);color:#8FA6B3;font-size:.88rem;padding:48px 0 0;border-top:1px solid #17324B}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.site-foot h3{color:#fff;font-size:.86rem;letter-spacing:.1em;margin-bottom:14px}
.site-foot a{color:#8FA6B3}
.site-foot a:hover{color:var(--yellow)}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{margin:.36em 0}
.foot-brand .logo-txt b{color:#fff}
.foot-brand p{font-size:.84rem;line-height:1.7;margin:12px 0 0;color:#839DA8}
.foot-legal{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.78rem;color:#75909B}
.foot-legal a{color:#75909B}
.foot-legal .creds{color:#75909B}

/* 锚点目录 */
.toc{background:var(--white);border:1px solid var(--line);border-left:3px solid var(--yellow);padding:18px 22px;margin-bottom:28px}
.toc h2{font-size:.8rem;letter-spacing:.16em;color:var(--muted);margin-bottom:10px}
.toc ol{margin:0;padding-left:1.2em;font-size:.9rem;columns:2;column-gap:32px}
.toc a{color:#26394B}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:24px 0}
.flow div{background:var(--white);padding:18px 16px;border-top:2px solid var(--green-soft)}
.flow b{display:block;font-size:.74rem;letter-spacing:.14em;color:var(--green-2);margin-bottom:6px}
.flow strong{display:block;font-size:.95rem;margin-bottom:4px}
.flow span{font-size:.82rem;color:var(--muted);line-height:1.5}

/* 案例 / 客户 */
.clients{display:flex;flex-wrap:wrap;gap:10px}
.clients span{background:var(--white);border:1px solid var(--line);border-left:3px solid var(--green-soft);padding:8px 14px;font-size:.88rem;color:#26394B}

/* 提示条 */
.notice{border:1px solid var(--line);border-left:3px solid var(--yellow);background:var(--yellow-soft);padding:14px 18px;font-size:.86rem;color:#5A4A18;margin:18px 0}
.notice strong{color:#2B2103}

/* 404 */
.err{min-height:52vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:10px;padding:80px 0}
.err .code{font-size:clamp(3rem,9vw,6rem);line-height:1;color:var(--line-2);font-weight:700;letter-spacing:-.03em;font-family:var(--serif)}

/* 响应式 */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:34px;align-items:start}
  .g4,.stats,.flow{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:28px}
  .two-col,.two-col.rev{grid-template-columns:1fr;gap:30px}
  .sticky{position:static}
  .head-cta .head-tel{display:none}
}
@media (max-width:820px){
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 16px;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:11px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:inline-block}
  .head-inner{min-height:64px;gap:12px}
  .head-cta{margin-left:auto}
  .head-cta .btn{display:none}
  .hero-facts{grid-template-columns:repeat(2,1fr);gap:1px}
  .g2,.g3{grid-template-columns:1fr}
  .spec{grid-template-columns:1fr}
  .related ul{grid-template-columns:1fr}
  .section{padding:44px 0}
  .cta-bar .wrap{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr}
  .toc ol{columns:1}
  .eyebrow{letter-spacing:.1em;font-size:.72rem}
  body{overflow-x:clip}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
  .card:hover{transform:none}
}

/* ---------- 内页首屏 ---------- */
.hero.plain .wrap{padding-top:46px;padding-bottom:44px}
.hero.plain h1{font-size:clamp(1.55rem,2.7vw,2.16rem);margin-bottom:14px}
.hero.plain .hero-lead{font-size:1rem;margin-bottom:0}
.hero.plain .hero-actions{margin:22px 0 0}
.hero-grid.single{grid-template-columns:1fr;gap:0}
.hero-grid.single .hero-lead{max-width:52em}

/* ---------- 索引列表 ---------- */
.idx{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.idx li{border-bottom:1px solid var(--line);padding:16px 0;display:grid;grid-template-columns:1fr auto;gap:14px;align-items:baseline}
.idx a{font-size:1rem;font-weight:500;color:var(--ink)}
.idx a:hover{color:var(--green-2)}
.idx span{font-size:.84rem;color:var(--muted);grid-column:1/-1;margin-top:-8px}

/* ---------- 图文块 / 说明 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.figure{background:#fff;border:1px solid var(--line);padding:18px}
.figure svg{width:100%;height:auto;display:block}
.figure figcaption{font-size:.78rem;color:var(--muted);margin-top:10px}
@media (max-width:820px){.split{grid-template-columns:1fr}}

/* CTA 条内的幽灵按钮 */
.cta-bar .btn.ghost{color:#E6F2EE;background:transparent;border-color:rgba(255,255,255,.34)}
.cta-bar .btn.ghost:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.5)}

/* ---------- LOGO ---------- */
.logo img{display:block;height:44px;width:auto}
.site-foot .logo img{height:48px;opacity:.92}
.logo-txt{margin-left:10px}

/* ---------- 产品图库 ---------- */
.gallery{margin:0 auto 34px;background:#fff;border:1px solid var(--line);padding:18px;max-width:920px}
.gallery .g-main{display:block;margin:0 auto;max-height:420px;width:auto;max-width:100%;height:auto}
.g-strip{display:flex;gap:12px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.g-thumb img{width:86px;height:auto;display:block;border:1px solid var(--line)}
.gallery figcaption,.banner-photo figcaption{font-size:.78rem;color:var(--muted);margin-top:10px;text-align:center}
@media (max-width:640px){.gallery .g-main{max-height:300px}}

/* ---------- 带图卡片 ---------- */
.photo-grid{display:grid;gap:18px}
.photo-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.photo-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.photo-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:2px solid var(--green-soft);text-decoration:none;color:inherit;transition:box-shadow .18s,transform .18s,border-color .18s}
.photo-card:hover{box-shadow:0 8px 22px rgba(27,64,118,.14);transform:translateY(-2px);border-top-color:var(--yellow)}
.photo-card img{width:100%;height:200px;object-fit:cover;object-position:center;background:#EFF5F2;display:block}
/* 竖版产品图：完整显示不裁切 */
.photo-card.pc-portrait img{height:auto;aspect-ratio:371/500;object-fit:contain;background:#fff;padding:14px;border-bottom:1px solid var(--line)}
/* 横版现场图：裁切填充 */
.photo-card.pc-landscape img{height:auto;aspect-ratio:3/2;object-fit:cover}
.pc-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px}
.pc-body b{font-size:1rem;color:var(--ink)}
.pc-body span{font-size:.85rem;color:var(--muted);line-height:1.55}
@media (max-width:900px){.photo-grid.cols-4{grid-template-columns:repeat(2,1fr)}.photo-grid.cols-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.photo-grid.cols-4,.photo-grid.cols-3{grid-template-columns:1fr}}

/* ---------- 横幅行业图 ---------- */
.banner-photo{margin:0 0 36px;background:#fff;border:1px solid var(--line);padding:12px}
.banner-photo img{width:100%;height:clamp(220px,34vw,380px);object-fit:cover;display:block}

/* ---------- 证书墙 ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.cert{background:#fff;border:1px solid var(--line);border-top:2px solid var(--green-soft);padding:12px;display:flex;flex-direction:column;gap:10px}
.cert img{width:100%;height:210px;object-fit:contain;background:#fff}
.cert figcaption{display:flex;flex-direction:column;gap:2px;font-size:.82rem}
.cert b{color:var(--ink)}
.cert span{color:var(--muted);font-size:.76rem;line-height:1.5}
@media (max-width:900px){.cert-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.cert-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- 产品展示台 ---------- */
.showcase{display:grid;grid-template-columns:1.28fr 1fr;gap:0;background:#fff;border:1px solid var(--line);margin:0 0 38px;overflow:hidden}
.sc-stage{margin:0;padding:28px 24px 18px;background:linear-gradient(180deg,#FFFFFF 0%,#EEF6F1 100%);display:flex;flex-direction:column;justify-content:center;align-items:center;border-right:1px solid var(--line)}
.sc-stage img{max-width:100%;max-height:400px;width:auto;height:auto;display:block}
.sc-stage img.sc-shot{filter:drop-shadow(0 14px 22px rgba(27,64,118,.14))}
.sc-stage figcaption{font-size:.74rem;color:var(--muted);margin-top:16px;text-align:center;letter-spacing:.02em}
.sc-side{padding:26px 28px 22px;display:flex;flex-direction:column;border-top:3px solid var(--blue)}
.sc-side h2{font-size:1.05rem;margin:0 0 14px;color:var(--blue)}
.sc-side .ticks{margin:0 0 14px;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.sc-side .ticks li{position:relative;padding-left:16px;font-size:.87rem;line-height:1.6;color:#26394B}
.sc-side .ticks li::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;background:var(--yellow);border-radius:1px}
.sc-note{font-size:.79rem;color:var(--muted);line-height:1.65;border-top:1px dashed var(--line);padding-top:12px;margin:auto 0 0}
.sc-thumbs{display:flex;gap:10px;margin-top:16px}
.sc-thumbs figure{margin:0;background:#fff;border:1px solid var(--line);padding:5px;flex:1}
.sc-thumbs img{width:100%;height:74px;object-fit:contain;display:block;background:#fff}
@media (max-width:900px){
  .showcase{grid-template-columns:1fr}
  .sc-stage{border-right:0;border-bottom:1px solid var(--line);padding:20px 16px 14px}
  .sc-stage img{max-height:300px}
  .sc-side{padding:20px 18px}
}


/* ---------- 移动端拨号入口 ---------- */
/* 站头电话按钮：桌面隐藏，移动端显示为圆形主色按钮 */
.head-call{display:none}
.head-call svg{width:20px;height:20px;fill:currentColor}

/* 首屏一键拨号：移动端显示，桌面隐藏（桌面已有头部与 CTA 两个入口） */
.hero-actions .btn.call{display:none}
.hero-actions .btn.call svg{width:17px;height:17px;fill:currentColor}

/* 固定底栏：一行四格，电话为主 */
.mbar{display:none}

@media (max-width:820px){
  /* 给固定栏留出空间，避免遮住页脚最后一行 */
  body{padding-bottom:calc(58px + env(safe-area-inset-bottom))}
  .head-call{display:inline-flex;align-items:center;justify-content:center;width:40px;height:38px;margin-left:2px;border-radius:var(--radius);background:var(--green);color:#fff}
  .head-call:active{background:var(--green-2)}
  .hero-actions .btn.call{display:inline-flex;width:100%;justify-content:center;background:var(--green);color:#fff;border-color:var(--green);padding:12px 18px;font-size:.95rem}
  .hero-actions .btn.call:active{background:var(--green-2)}

  .mbar{
    display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -10px 24px -18px rgba(15,34,51,.55);
    padding:0 0 env(safe-area-inset-bottom);
  }
  .mbar a,.mbar button{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
    min-height:57px;padding:7px 3px 6px;border:0;background:none;cursor:pointer;
    font-family:inherit;font-size:.71rem;color:#3D5064;text-decoration:none;
    -webkit-tap-highlight-color:transparent;
  }
  .mbar a:active,.mbar button:active{background:var(--paper-2)}
  .mbar svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .mbar b{font-weight:500;letter-spacing:.02em}
  .mbar-call{flex-direction:row !important;gap:8px;background:var(--green) !important;color:#fff !important;padding:6px 8px 6px 10px !important}
  .mbar-call:active{background:var(--green-2) !important}
  .mbar-call svg{fill:currentColor;stroke:none;width:21px;height:21px;flex:none}
  .mbar-call span{display:flex;flex-direction:column;line-height:1.2;min-width:0}
  .mbar-call b{font-size:.86rem;font-weight:600;letter-spacing:.01em}
  .mbar-call small{font-size:.68rem;letter-spacing:.01em;opacity:.92;white-space:nowrap}
}

@media (max-width:360px){
  .mbar{grid-template-columns:1.7fr 1fr 1fr 1fr}
  .mbar-call small{font-size:.64rem}
}

/* 页脚 ICP 备案 */
.foot-icp{display:flex;justify-content:center;padding:0 0 20px;font-size:.76rem;line-height:1.6;letter-spacing:.02em}
.foot-icp a{color:#8DA4AD;text-decoration:none;border-bottom:1px solid rgba(141,164,173,.32);padding-bottom:1px}
.foot-icp a:hover{color:var(--yellow);border-bottom-color:var(--yellow)}

/* 带图卡片（行业方案等） */
.card-img{padding:0;overflow:hidden;color:inherit;text-decoration:none;border-top:2px solid var(--blue)}
.card-img img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;border-bottom:1px solid var(--line);background:#EFF5F2}
.card-img .ci-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-img h3{font-size:1.02rem;margin-bottom:6px}
.card-img p{font-size:.9rem;margin-bottom:12px}
.card-img .more{margin-top:auto;color:var(--green-2)}
.card-img:hover .more{color:var(--blue-2)}