/* ===== 页面通用 hero（内页） ===== */
.page-hero{background:linear-gradient(180deg,var(--soft) 0,#fff 100%);padding:72px 0 64px;border-bottom:1px solid var(--line-2)}
.page-hero h1{font-size:clamp(30px,4.4vw,46px);font-weight:900;letter-spacing:-.01em;line-height:1.18;margin:16px 0 14px}
.page-hero p{font-size:17.5px;color:var(--gray);max-width:720px}
.breadcrumb{font-family:var(--mono);font-size:12.5px;color:var(--gray-2);letter-spacing:.04em}
.breadcrumb a:hover{color:var(--red)}

/* ===== 软件页 hero 关键指标条 ===== */
.soft-metrics{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.soft-metrics .sm{flex:1 1 168px;background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-l);padding:15px 20px;box-shadow:var(--shadow-s)}
.soft-metrics .sm b{display:block;font-family:var(--mono);font-size:20px;font-weight:800;color:var(--ink);line-height:1.25;letter-spacing:-.01em}
.soft-metrics .sm span{display:block;font-size:12.5px;color:var(--gray-2);margin-top:3px}
@media(max-width:560px){.soft-metrics{gap:10px}.soft-metrics .sm{flex:1 1 calc(50% - 5px);padding:13px 15px}.soft-metrics .sm b{font-size:17.5px}}

/* ===== 首页 Hero ===== */
.hero{position:relative;background:radial-gradient(1200px 560px at 82% -10%,rgba(196,30,47,.10),transparent 60%),linear-gradient(180deg,var(--soft) 0,#fff 100%);overflow:hidden;border-bottom:1px solid var(--line-2)}
.hero .wrap{display:grid;grid-template-columns:1.18fr .82fr;gap:48px;align-items:center;padding-top:72px;padding-bottom:72px}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid #EBD3D6;color:var(--red);font-size:13px;font-weight:700;padding:7px 15px;border-radius:999px;box-shadow:var(--shadow-s)}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--red);display:inline-block}
.hero h1{font-size:clamp(36px,4.6vw,56px);font-weight:900;line-height:1.1;letter-spacing:-.02em;margin:20px 0 18px}
.hero h1 .h1-l2{display:block;white-space:nowrap}
.hero h1 b{color:var(--red)}
.hero p.lead{font-size:18.5px;color:var(--gray);max-width:560px;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap}
.hero-meta div{font-size:13.5px;color:var(--gray-2)}
.hero-meta b{display:block;font-size:24px;color:var(--ink);font-weight:800;font-family:var(--mono);line-height:1.2}
.hero-shot{position:relative}
.hero-shot .device{border-radius:var(--radius-l);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-l)}
.hero-shot .device .bar{height:38px;background:var(--soft-2);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:7px;padding:0 15px}
.hero-shot .device .bar i{width:11px;height:11px;border-radius:50%}
.hero-shot .device .bar i:nth-child(1){background:#ED6A5E}
.hero-shot .device .bar i:nth-child(2){background:#F4BF4F}
.hero-shot .device .bar i:nth-child(3){background:#61C554}
.hero-shot .device .bar span{margin-left:8px;font-size:12.5px;color:var(--gray-2)}
.hero-shot .device img{display:block;width:100%;height:auto}
.hero-shot .float{position:absolute;left:-22px;bottom:34px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 17px;box-shadow:var(--shadow-m);font-size:13px;font-weight:700}
.hero-shot .float small{display:block;font-weight:500;color:var(--gray-2);font-size:11.5px;margin-top:2px}
@media(max-width:960px){.hero .wrap{grid-template-columns:1fr;gap:40px}.hero-shot{max-width:680px}.hero-shot .float{left:0}}
@media(max-width:560px){.hero h1{font-size:min(30px,7.6vw);letter-spacing:-.01em}.hero p.lead{font-size:16.5px}.hero-meta{gap:18px}}

/* ===== 板块入口（六宫格） ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-3,.grid-2,.grid-4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-l);padding:28px 26px;transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--line)}
.card .ico{width:50px;height:50px;border-radius:12px;background:var(--red-lt);color:var(--red);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.card h3{font-size:19px;font-weight:800;margin-bottom:9px}
.card p{font-size:14.5px;color:var(--gray);flex:1}
.card .more{margin-top:16px;font-size:14px;font-weight:700;color:var(--red);display:inline-flex;align-items:center;gap:6px}
.card .tag{display:inline-block;font-size:11.5px;font-weight:700;color:var(--red);background:var(--red-lt);border-radius:999px;padding:3px 11px;margin-bottom:12px;letter-spacing:.04em}
.card .tag.free{color:var(--ok);background:#E7F6EF}
.card .tag.soon{color:#8A6D1C;background:#FBF3DC}

/* ===== 通用条带 ===== */
.band-soft{background:var(--soft);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}

/* ===== 软件功能 ===== */
.feat-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.feat-layout.rev{grid-template-columns:.9fr 1.1fr}
.feat-layout .shot{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-m)}
.feat-layout .shot img{display:block;width:100%;height:auto}
/* 白底渲染图融入灰底条带：去卡片边框/投影，图片正片叠底（白×底色=底色，齿轮与烘焙阴影保留） */
.feat-layout .shot.shot-blend{border:0;box-shadow:none;background:transparent;border-radius:0}
.feat-layout .shot.shot-blend img{mix-blend-mode:multiply}
/* 偏宽的参数面板图：桌面端略放大并居中，避免相对文字块显小（移动端不放大） */
.feat-layout .shot.shot-lg img{width:108%;max-width:none;margin-left:-4%}
h2 .keep{white-space:nowrap}
.feat-list{margin-top:20px;display:grid;gap:14px}
.feat-list li{display:flex;gap:13px;align-items:flex-start;font-size:15.5px}
.feat-list li .ck{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--red-lt);color:var(--red);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:2px}
.feat-list li b{font-weight:700}
.feat-list li span{color:var(--gray)}
@media(max-width:900px){.feat-layout,.feat-layout.rev{grid-template-columns:1fr;gap:32px}}

/* ===== 模块网格（软件支持的齿轮类型） ===== */
.modules{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}
@media(max-width:900px){.modules{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.modules{grid-template-columns:repeat(2,1fr)}}
.module-chip{position:relative;display:flex;align-items:baseline;gap:12px;background:#fff;border:1px solid var(--line-2);border-radius:12px;padding:15px 17px;font-size:16px;font-weight:700;line-height:1.25;color:var(--ink);cursor:default;overflow:hidden;
  transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s,border-color .28s,background-color .28s,color .28s}
.module-chip .n{flex-shrink:0;align-self:center;width:34px;height:24px;border-radius:7px;background:var(--red-lt);color:var(--red);font-family:var(--mono);font-size:12.5px;line-height:1;font-weight:700;display:flex;align-items:center;justify-content:center;
  transition:background-color .28s,color .28s,width .28s,height .28s,border-radius .28s}
/* hover：整张卡片变红底白字并浮起；序号去掉底色块，直接白字并与名称基线对齐 */
.module-chip:hover{transform:translateY(-4px);background:var(--red);border-color:var(--red);color:#fff;box-shadow:0 14px 28px rgba(196,30,47,.28)}
.module-chip:hover .n{background:transparent;width:auto;height:auto;border-radius:0;color:#fff;font-size:14px;align-self:baseline}
/* 左侧光带扫入，增强动态反馈 */
.module-chip::after{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:#fff;transform:scaleY(0);transform-origin:top;transition:transform .28s cubic-bezier(.22,.61,.36,1)}
.module-chip:hover::after{transform:scaleY(1)}
@media(max-width:600px){.module-chip{font-size:15px;padding:13px 14px;gap:10px}.module-chip .n{width:30px;height:22px;font-size:11.5px}}

/* ===== 定价 ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
@media(max-width:900px){.price-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:32px 28px;display:flex;flex-direction:column;position:relative}
.plan.hot{border:2px solid var(--red);box-shadow:var(--shadow-m)}
.plan .ribbon{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--red);color:#fff;font-size:12px;font-weight:700;padding:4px 16px;border-radius:999px;letter-spacing:.05em}
.plan .pname{font-size:18px;font-weight:800}
.plan .pdesc{font-size:13.5px;color:var(--gray-2);margin:5px 0 18px;min-height:38px}
.plan .pprice{font-size:40px;font-weight:900;font-family:var(--mono);line-height:1}
.plan .pprice small{font-size:15px;font-weight:600;color:var(--gray-2);font-family:var(--sans)}
.plan ul{margin:22px 0 24px;display:grid;gap:11px;flex:1}
.plan ul li{font-size:14.5px;display:flex;gap:9px;align-items:flex-start}
.plan ul li .ck{color:var(--red);font-weight:800;flex-shrink:0}
.plan ul li.off{color:var(--gray-2)}
.plan ul li.off .ck{color:var(--line)}

/* ===== 资料/商品卡片（图） ===== */
.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.shop-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:580px){.shop-grid{grid-template-columns:1fr}}
.product{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-l);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.product:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.product .thumb{aspect-ratio:16/10;background:var(--soft);overflow:hidden;position:relative}
.product .thumb img{width:100%;height:100%;object-fit:cover}
.product .thumb .ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:40px;color:var(--gray-2)}
.product .body{padding:18px 18px 20px;flex:1;display:flex;flex-direction:column}
.product .cat{font-size:11.5px;font-weight:700;color:var(--red);letter-spacing:.05em}
.product h3{font-size:16px;font-weight:700;margin:6px 0 8px;line-height:1.4}
.product p{font-size:13px;color:var(--gray);flex:1}
.product .foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px}
.product .price{font-size:20px;font-weight:800;font-family:var(--mono)}
.product .price.free{color:var(--ok)}
.product .price small{font-size:12px;color:var(--gray-2);font-family:var(--sans)}

/* ===== 工具入口 ===== */
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.tools-grid{grid-template-columns:1fr}}
.tool-card{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-l);padding:24px;transition:.25s}
.tool-card:hover{border-color:var(--red);box-shadow:var(--shadow-s);transform:translateY(-3px)}
.tool-card .ico{width:46px;height:46px;border-radius:11px;background:var(--red-lt);color:var(--red);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.tool-card h3{font-size:17px;font-weight:800;margin-bottom:5px}
.tool-card p{font-size:13.5px;color:var(--gray)}
.tool-card .go{margin-top:9px;font-size:13.5px;font-weight:700;color:var(--red)}

/* ===== 首页 · 硬科技 / 独门能力（深色焦点版块） ===== */
.blacktech{
  position:relative; color:#E9EBEE;
  background:
    radial-gradient(900px 420px at 12% -8%, rgba(196,30,47,.26), transparent 60%),
    radial-gradient(820px 420px at 100% 0%, rgba(120,20,30,.30), transparent 55%),
    linear-gradient(180deg,#15171C 0%,#101216 100%);
  border-top:1px solid #23262D; border-bottom:1px solid #23262D;
  overflow:hidden;
}
.blacktech::after{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.10;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
          mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
}
.blacktech .wrap{position:relative;z-index:1}
.eyebrow-lt{color:#FF6B78}
.eyebrow-lt::before{background:#FF6B78}
.blacktech .section-head h2.bt-title{color:#F7F8FA;font-size:clamp(25px,3.3vw,40px);letter-spacing:-.01em}
.blacktech .section-head p.bt-lead{color:#AEB5BF;max-width:820px;margin-left:auto;margin-right:auto}

.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.tech-card{
  position:relative; display:flex; flex-direction:column;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
  border:1px solid rgba(255,255,255,.10); border-radius:var(--radius-l);
  padding:26px 24px 24px; transition:transform .25s,border-color .25s,box-shadow .25s;
  overflow:hidden;
}
.tech-card::before{
  content:""; position:absolute; left:0; top:0; width:100%; height:3px;
  background:linear-gradient(90deg,var(--red),rgba(196,30,47,0));
  opacity:0; transition:opacity .25s;
}
.tech-card:hover{transform:translateY(-5px);border-color:rgba(255,107,120,.45);
  box-shadow:0 22px 50px rgba(0,0,0,.45)}
.tech-card:hover::before{opacity:1}
.tc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.tc-ico{
  width:48px;height:48px;border-radius:12px;font-size:23px;display:flex;
  align-items:center;justify-content:center;
  background:rgba(196,30,47,.16);border:1px solid rgba(255,107,120,.28);
}
.tc-tag{
  font-size:11.5px;font-weight:700;letter-spacing:.06em;color:#FF9AA3;
  border:1px solid rgba(255,107,120,.32);background:rgba(196,30,47,.12);
  padding:3px 10px;border-radius:999px;white-space:nowrap;
}
.tech-card h3{color:#F6F7F9;font-size:18px;font-weight:800;line-height:1.4;margin-bottom:7px}
.tc-sub{color:#C2C8D0;font-size:13.5px;margin-bottom:14px;line-height:1.6}
.tc-pts{list-style:none;margin:0;padding:0;display:grid;gap:9px;margin-top:auto}
.tc-pts li{position:relative;padding-left:24px;font-size:13px;line-height:1.65;color:#AEB5BF}
.tc-pts li span{
  position:absolute;left:0;top:1px;width:16px;height:16px;border-radius:50%;
  background:rgba(196,30,47,.25);color:#FF828D;font-size:10px;
  display:flex;align-items:center;justify-content:center;
}

.engine-strip{
  margin-top:34px;display:flex;gap:26px;align-items:stretch;flex-wrap:wrap;
  border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-l);
  background:rgba(255,255,255,.04);padding:22px 26px;
}
.es-label{
  flex:0 0 auto;display:flex;align-items:center;font-weight:800;color:#F6F7F9;
  font-size:15px;padding-right:24px;border-right:1px solid rgba(255,255,255,.12);
}
.es-items{flex:1;display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px}
.es-items .en{display:flex;flex-direction:column;gap:3px}
.es-items .en b{color:#F0B9BE;font-size:13.5px;font-weight:700}
.es-items .en span{color:#9DA5AF;font-size:12.5px;line-height:1.55}

.bt-cta{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-ghost-light{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.28);color:#F2F3F5}
.btn-ghost-light:hover{background:rgba(255,255,255,.13);border-color:#fff;transform:translateY(-1px)}

@media(max-width:960px){
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .es-items{grid-template-columns:1fr}
  .es-label{border-right:none;padding-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:12px;width:100%}
}
@media(max-width:560px){
  .tech-grid{grid-template-columns:1fr}
  .engine-strip{padding:20px}
}


/* ===== 软件页「眼见为实」真实截图（重构：编辑式统一瓦片）===== */
.real-shots{padding:84px 0 76px;background:var(--soft);border-top:1px solid var(--line-2)}
.real-shots .section-head{margin-bottom:8px}

/* 章节：序号 + 红色下划线 + 标签 + 标题 + 引言 */
.shot-chapter{margin-top:58px}
.chapter-head{display:flex;align-items:flex-start;gap:18px;padding-bottom:16px;
  border-bottom:2px solid var(--red);margin-bottom:26px}
.chapter-idx{font-family:var(--mono);font-size:30px;font-weight:700;line-height:.9;
  color:var(--red);flex:0 0 auto;min-width:48px}
.ch-text{flex:1 1 auto}
.ch-tag{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--red-dk);background:var(--red-lt);
  border-radius:999px;padding:4px 12px;margin-bottom:9px}
.ch-text h3{font-size:clamp(19px,2.5vw,25px);font-weight:800;letter-spacing:-.01em;margin:0 0 7px}
.ch-text p{margin:0;color:var(--gray);font-size:15px;line-height:1.6;max-width:780px}

/* 统一比例瓦片：圆角 + 细边 + 软阴影 + 悬浮抬升 + 编号角标 + 底部渐变图注 */
.shot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.shot-tile{position:relative;margin:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  background:#fff;box-shadow:var(--shadow-s);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease}
.shot-tile:hover{transform:translateY(-6px);box-shadow:var(--shadow-m);border-color:var(--red)}
.shot-tile img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;object-position:center}
.shot-no{position:absolute;top:12px;left:12px;z-index:3;width:28px;height:28px;border-radius:9px;
  background:var(--red);color:#fff;font:700 13px/28px var(--mono);text-align:center;
  box-shadow:0 3px 10px rgba(196,30,47,.35)}
.shot-cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:30px 15px 13px;
  background:linear-gradient(180deg,rgba(22,22,30,0) 0%,rgba(22,22,30,.74) 52%,rgba(22,22,30,.93) 100%);color:#fff}
.shot-cap b{display:block;font-size:14.5px;font-weight:700;margin-bottom:3px;letter-spacing:.01em}
.shot-cap span{display:block;font-size:12.4px;line-height:1.5;color:rgba(255,255,255,.82)}

@media(max-width:960px){.shot-grid{grid-template-columns:1fr 1fr;gap:16px}.real-shots{padding:60px 0 54px}}
@media(max-width:560px){.shot-grid{grid-template-columns:1fr}.chapter-head{flex-direction:column;gap:6px}}


/* ================= 齿轮逆向测绘·复刻（重点业务页） ================= */
.rev-hero{position:relative;color:#F3F4F6;background:
  radial-gradient(860px 420px at 88% -10%, rgba(196,30,47,.30), transparent 60%),
  radial-gradient(720px 420px at 0% 0%, rgba(120,20,30,.22), transparent 55%),
  linear-gradient(180deg,#16181D 0%,#101216 100%);
  border-bottom:1px solid #23262D;overflow:hidden}
.rev-hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:48px 48px;-webkit-mask-image:radial-gradient(circle at 80% 0%,#000 0%,transparent 70%);mask-image:radial-gradient(circle at 80% 0%,#000 0%,transparent 70%)}
.rev-hero .wrap{position:relative;z-index:1;padding-top:60px;padding-bottom:64px}
.rev-hero .breadcrumb a,.rev-hero .breadcrumb{color:#AEB5BF}
.rev-hero .breadcrumb a:hover{color:#fff}
.rev-pill{display:inline-flex;align-items:center;gap:9px;background:rgba(196,30,47,.14);
  border:1px solid rgba(255,107,120,.34);color:#FF9AA3;font-size:12.5px;font-weight:700;
  letter-spacing:.05em;padding:6px 14px;border-radius:999px;margin-bottom:20px}
.rev-hero h1{color:#fff;font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:-.01em;line-height:1.22;margin-bottom:16px}
.rev-hero .lead{color:#C7CDD6;font-size:17px;max-width:760px;line-height:1.85}
.rev-hero .lead b{color:#fff}
.rev-hero .hero-cta{margin-top:30px;display:flex;gap:13px;flex-wrap:wrap}
.btn-red-ondark{background:var(--red);color:#fff;box-shadow:0 6px 20px rgba(196,30,47,.4)}
.btn-red-ondark:hover{background:var(--red-dk);transform:translateY(-1px)}
.rev-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:42px}
.rev-metrics .rm{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-l);padding:20px 22px}
.rev-metrics .rm b{display:block;color:#fff;font-size:21px;font-weight:800;line-height:1.3}
.rev-metrics .rm span{display:block;color:#9DA5AF;font-size:13px;margin-top:5px}
@media(max-width:760px){.rev-metrics{grid-template-columns:repeat(2,1fr)}}

/* 痛点场景 */
.rev-pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev-pain{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-l);padding:26px 24px;transition:.25s;height:100%}
.rev-pain:hover{border-color:var(--red);box-shadow:var(--shadow-s);transform:translateY(-3px)}
.rev-pain .ico{width:50px;height:50px;border-radius:13px;background:var(--red-lt);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:15px}
.rev-pain h3{font-size:17px;font-weight:800;margin-bottom:8px}
.rev-pain p{font-size:13.5px;color:var(--gray);line-height:1.7}
@media(max-width:900px){.rev-pain-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.rev-pain-grid{grid-template-columns:1fr}}

/* 深色能力区里的能力卡（两列，弱化盒子感） */
.rev-cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:10px}
.rev-cap{background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
  border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-l);padding:24px 26px}
.rev-cap h3{color:#F6F7F9;font-size:17.5px;font-weight:800;margin-bottom:9px;display:flex;align-items:center;gap:10px}
.rev-cap h3::before{content:"";width:9px;height:9px;border-radius:2px;background:var(--red);flex-shrink:0;transform:rotate(45deg)}
.rev-cap p{color:#AEB5BF;font-size:13.5px;line-height:1.75;margin:0}
@media(max-width:760px){.rev-cap-grid{grid-template-columns:1fr}}

/* 支持类型 chips */
.rev-types{display:flex;flex-wrap:wrap;gap:12px}
.rev-types .rt{background:#fff;border:1px solid var(--line);border-radius:999px;padding:11px 20px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);transition:.2s}
.rev-types .rt:hover{border-color:var(--red);color:var(--red);background:var(--red-lt)}

/* 六步纵向流程（中间轴线） */
.rev-flow{position:relative;margin-top:10px;display:grid;gap:0}
.rev-step{position:relative;display:grid;grid-template-columns:84px 1fr;gap:24px;padding:0 0 26px 0}
.rev-step:last-child{padding-bottom:0}
.rev-step .rs-num{position:relative;z-index:2;width:64px;height:64px;border-radius:16px;background:var(--red);color:#fff;
  display:flex;align-items:center;justify-content:center;font:800 23px var(--mono);box-shadow:0 8px 20px rgba(196,30,47,.3)}
.rev-step:not(:last-child) .rs-num::after{content:"";position:absolute;top:70px;left:50%;transform:translateX(-50%);
  width:2px;height:calc(100% - 42px);background:linear-gradient(180deg,var(--red),var(--line))}
.rev-step .rs-body{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-l);padding:20px 24px;transition:.25s}
.rev-step .rs-body:hover{border-color:var(--red);box-shadow:var(--shadow-s)}
.rev-step h4{font-size:17.5px;font-weight:800;margin-bottom:7px}
.rev-step p{font-size:14px;color:var(--gray);line-height:1.75;margin:0}
@media(max-width:560px){.rev-step{grid-template-columns:56px 1fr;gap:14px}.rev-step .rs-num{width:52px;height:52px;font-size:19px;border-radius:13px}}

/* 交付物 / 优势 卡 */
.rev-deliver{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev-dl{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-l);padding:26px 24px;height:100%}
.rev-dl .ico{font-size:30px;margin-bottom:13px;display:block}
.rev-dl h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.rev-dl p{font-size:13.5px;color:var(--gray);line-height:1.7;margin:0}
@media(max-width:900px){.rev-deliver{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.rev-deliver{grid-template-columns:1fr}}

/* 需提供清单 + 优势：两栏布局 */
.rev-two{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:start}
.rev-checklist{background:var(--soft);border:1px solid var(--line-2);border-radius:var(--radius-l);padding:30px}
.rev-checklist li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px}
.rev-checklist li:last-child{border-bottom:0}
.rev-checklist li .ck{flex-shrink:0;width:23px;height:23px;border-radius:50%;background:var(--red-lt);color:var(--red);
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:800;margin-top:2px}
.rev-whybox{display:grid;gap:15px}
.rev-why{background:#fff;border:1px solid var(--line-2);border-left:4px solid var(--red);border-radius:12px;padding:19px 22px}
.rev-why h4{font-size:16px;font-weight:800;margin-bottom:6px}
.rev-why p{font-size:13.5px;color:var(--gray);line-height:1.7;margin:0}
@media(max-width:860px){.rev-two{grid-template-columns:1fr}}

/* FAQ 手风琴 */
.rev-faq{max-width:880px;margin:0 auto;display:grid;gap:13px}
.rev-faq details{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-l);overflow:hidden;transition:.2s}
.rev-faq details[open]{border-color:var(--red);box-shadow:var(--shadow-s)}
.rev-faq summary{cursor:pointer;list-style:none;padding:21px 26px;font-size:16.5px;font-weight:700;
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.rev-faq summary::-webkit-details-marker{display:none}
.rev-faq summary::after{content:"+";font-size:24px;font-weight:400;color:var(--red);flex-shrink:0;line-height:1;transition:.25s}
.rev-faq details[open] summary::after{transform:rotate(45deg)}
.rev-faq .ans{padding:0 26px 22px;color:var(--gray);font-size:14.5px;line-height:1.85}

/* 首页逆向业务重磅板块 */
.rev-band{background:linear-gradient(180deg,#17191F,#101216);color:#E9EBEE;border-top:1px solid #23262D;border-bottom:1px solid #23262D;position:relative;overflow:hidden}
.rev-band::before{content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,30,47,.32),transparent 68%);pointer-events:none}
.rev-band .wrap{position:relative;z-index:1}
.rev-band .feat-layout .muted{color:#AEB5BF}
.rev-band h2 .keep{color:#FF828D}
.rev-band .feat-list li b{color:#F6F7F9}
.rev-band .feat-list li span{color:#AEB5BF}
.rev-stat-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.rev-stat{flex:1;min-width:130px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-l);padding:16px 18px}
.rev-stat b{display:block;color:#fff;font-size:19px;font-weight:800}
.rev-stat span{font-size:12.5px;color:#9DA5AF}

/* 设计服务页顶部 · 逆向复刻醒目横幅 */
.rev-svc-banner{display:flex;align-items:center;gap:20px;background:linear-gradient(100deg,#fff 0%,#fff 56%,var(--red-lt) 100%);
  border:1px solid var(--line);border-left:5px solid var(--red);border-radius:var(--radius-l);
  padding:22px 26px;box-shadow:var(--shadow-s);transition:.25s}
.rev-svc-banner:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:var(--red)}
.rev-svc-banner .rsb-ico{font-size:34px;flex-shrink:0;width:60px;height:60px;border-radius:15px;background:var(--red-lt);
  display:flex;align-items:center;justify-content:center}
.rev-svc-banner .rsb-txt{flex:1;display:flex;flex-direction:column;gap:5px;min-width:0}
.rev-svc-banner .rsb-txt b{font-size:17.5px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rev-svc-banner .rsb-txt b em{font-style:normal;font-size:11.5px;font-weight:700;color:#fff;background:var(--red);border-radius:999px;padding:3px 10px;letter-spacing:.05em}
.rev-svc-banner .rsb-txt span{font-size:13.5px;color:var(--gray);line-height:1.65}
.rev-svc-banner .rsb-go{flex-shrink:0;font-weight:700;color:var(--red);font-size:15px;white-space:nowrap}
@media(max-width:680px){.rev-svc-banner{flex-wrap:wrap;gap:13px;padding:20px}.rev-svc-banner .rsb-go{width:100%}}

/* ================= 顶栏「联系我们」+ 微信二维码弹窗 ================= */
.btn-contact{display:inline-flex;align-items:center;gap:7px;padding:10px 18px;font-size:15px;font-weight:600;
  border:1px solid var(--red);color:var(--red);background:#fff;border-radius:var(--radius);transition:.2s;white-space:nowrap}
.btn-contact:hover{background:var(--red-lt);transform:translateY(-1px)}
.btn-contact .ci{font-size:16px;line-height:1}
@media(max-width:1060px){.head-cta .btn-contact{padding:9px 11px}.head-cta .btn-contact .ct{display:none}}

.wx-modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.wx-modal[hidden]{display:none}
.wx-mask{position:absolute;inset:0;background:rgba(15,18,24,.56);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
  animation:wxFade .22s ease}
.wx-box{position:relative;background:#fff;border-radius:18px;padding:34px 32px 28px;max-width:400px;width:100%;
  text-align:center;box-shadow:var(--shadow-l);animation:wxPop .26s cubic-bezier(.2,.9,.3,1.2)}
.wx-close{position:absolute;right:14px;top:12px;width:36px;height:36px;border-radius:50%;border:0;
  font-size:24px;line-height:1;color:var(--gray);background:var(--soft);cursor:pointer;transition:.2s}
.wx-close:hover{background:var(--line);color:var(--ink)}
.wx-box h3{font-size:19px;font-weight:800;margin-bottom:7px}
.wx-sub{font-size:13.5px;color:var(--gray);margin:0 0 18px;line-height:1.6}
.wx-qr{display:block;width:min(300px,72vw);height:auto;margin:0 auto;border:1px solid var(--line-2);
  border-radius:12px;padding:10px;background:#fff}
.wx-tip{font-size:12.5px;color:var(--gray-2);margin:14px 0 0;line-height:1.6}
@keyframes wxPop{from{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:none}}
@keyframes wxFade{from{opacity:0}to{opacity:1}}