/* ==========================================================================
   p-cailiao-qingdan.css · 材料清单
   布局：通栏 hero + 通用四样 A/B/C/D 卡 + 四栏工种清单卡 + 原件要求小表 + CTA
   ========================================================================== */

/* ---------- Hero 通栏 ---------- */
.qd-hero{
  padding:64px 0 60px;
  background:
    radial-gradient(700px 320px at 90% -20%, rgba(224,38,29,.18), transparent 60%),
    #0B0B0E;border-bottom:1px solid var(--line);
}
.qd-hero-box{max-width:760px;}
.qd-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;color:var(--gold);margin-bottom:16px;}
.qd-eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--red),var(--gold));}
.qd-title{font-size:42px;color:#fff;font-weight:800;line-height:1.2;margin-bottom:16px;}
.qd-sub{font-size:16px;color:var(--muted);line-height:1.9;}
.qd-sub a{color:var(--gold);}

/* ---------- section ---------- */
.qd-sec{padding:70px 0;}
.qd-sec-alt{background:#0D0D12;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.qd-sec-head{max-width:720px;margin-bottom:36px;}
.qd-sec-head h2{font-size:30px;color:#fff;font-weight:800;margin:6px 0 12px;}
.qd-sec-head p{color:var(--muted);font-size:15.5px;}

/* ---------- 通用四样 A/B/C/D ---------- */
.qd-core{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.qd-core-item{
  background:linear-gradient(165deg,var(--card-2),var(--card));
  border:1px solid var(--line-2);border-radius:var(--radius);padding:26px 22px;
  position:relative;transition:transform .3s, box-shadow .3s, border-color .3s;
}
.qd-core-item:hover{transform:translateY(-6px);box-shadow:var(--shadow),0 0 22px rgba(255,184,0,.18);border-color:rgba(255,184,0,.4);}
.qd-core-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;font-size:20px;font-weight:800;color:#fff;
  background:linear-gradient(150deg,var(--red),var(--red-deep));margin-bottom:16px;
}
.qd-core-item h3{color:#fff;font-size:18px;margin-bottom:8px;}
.qd-core-item p{color:var(--muted);font-size:14px;line-height:1.7;}

/* ---------- 四栏工种清单卡 ---------- */
.qd-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.qd-col{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s, box-shadow .3s, border-color .3s;
}
.qd-col:hover{transform:translateY(-6px);box-shadow:var(--shadow),0 0 22px rgba(224,38,29,.18);border-color:rgba(255,184,0,.4);}
.qd-col-head{
  display:flex;align-items:center;gap:10px;padding:18px 20px;
  background:linear-gradient(120deg,var(--red-deep),var(--red));color:#fff;
}
.qd-col-head svg{width:24px;height:24px;flex-shrink:0;}
.qd-col-head h3{font-size:16px;font-weight:700;}
.qd-list{list-style:none;padding:18px 20px 22px;}
.qd-list li{
  position:relative;padding:9px 0 9px 20px;color:var(--text);font-size:14px;line-height:1.6;
  border-bottom:1px dashed var(--line);
}
.qd-list li:last-child{border-bottom:0;}
.qd-list li::before{
  content:"";position:absolute;left:0;top:15px;width:8px;height:8px;border-radius:50%;
  background:var(--gold);
}

/* ---------- 原件要求小表 ---------- */
.qd-table-wrap{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
}
.qd-table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:14.5px;}
.qd-table thead th{
  background:linear-gradient(90deg,var(--red-deep),var(--red));color:#fff;
  text-align:left;padding:14px 18px;font-size:14px;
}
.qd-table tbody td{padding:13px 18px;border-top:1px solid var(--line);color:var(--text);}
.qd-table tbody tr:hover{background:rgba(224,38,29,.06);}
.qd-td-strong{color:#fff;font-weight:700;}
.qd-note{margin-top:16px;font-size:14px;color:var(--muted-2);}
.qd-note a{color:var(--gold);}

/* ---------- 相关互推 ---------- */
.qd-rel{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.qd-rel-card{
  background:linear-gradient(165deg,var(--card-2),var(--card));
  border:1px solid var(--line-2);border-radius:var(--radius);padding:22px;
  transition:transform .3s, box-shadow .3s, border-color .3s;
}
.qd-rel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow),0 0 20px rgba(255,184,0,.2);border-color:rgba(255,184,0,.4);}
.qd-rel-card h3{color:#fff;font-size:16px;margin-bottom:8px;}
.qd-rel-card p{color:var(--muted);font-size:13.5px;}

/* ---------- CTA ---------- */
.qd-cta{
  background:radial-gradient(600px 260px at 50% 0%, rgba(224,38,29,.22), transparent 65%),#0B0B0E;
  border-top:1px solid var(--line);padding:60px 0;text-align:center;
}
.qd-cta-inner h2{font-size:30px;color:#fff;margin-bottom:12px;font-weight:800;}
.qd-cta-inner p{color:var(--muted);margin-bottom:26px;}
.qd-cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- 表头列宽 ---------- */
.tw-20{width:20%;}
.tw-26{width:26%;}
.tw-54{width:54%;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .qd-title{font-size:34px;}
  .qd-core{grid-template-columns:1fr 1fr;}
  .qd-cols{grid-template-columns:1fr 1fr;}
  .qd-rel{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .qd-title{font-size:26px;}
  .qd-core{grid-template-columns:1fr;}
  .qd-cols{grid-template-columns:1fr;}
  .qd-rel{grid-template-columns:1fr;}
  .qd-table-wrap{overflow-x:auto;}
  .qd-table{min-width:520px;}
  .qd-cta-inner h2{font-size:23px;}
}

/* ================= rw- 重构共享模块样式 ================= */
.rw-sec{padding:64px 0;}
.rw-sec-alt{background:#0D0D12;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.rw-head{max-width:760px;margin-bottom:34px;}
.rw-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;color:var(--gold);margin-bottom:12px;}
.rw-eyebrow::before{content:"";width:24px;height:2px;background:linear-gradient(90deg,var(--red),var(--gold));}
.rw-head h2{font-size:28px;color:#fff;font-weight:800;line-height:1.3;margin-bottom:12px;}
.rw-head p{color:var(--muted);font-size:15.5px;line-height:1.8;}
.rw-lead{color:var(--muted);font-size:15.5px;line-height:1.9;}
.rw-lead p{margin-bottom:14px;}

.rw-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.rw-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.rw-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.rw-card{
  background:linear-gradient(165deg,var(--card-2,#1D1D26),var(--card,#16161D));
  border:1px solid var(--line-2,#282830);border-radius:var(--radius,14px);padding:24px 22px;
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.rw-card:hover{transform:translateY(-5px);box-shadow:var(--shadow,0 18px 40px rgba(0,0,0,.45));border-color:rgba(255,184,0,.4);}
.rw-card h3{color:#fff;font-size:17px;margin-bottom:10px;}
.rw-card p{color:var(--muted);font-size:14.5px;line-height:1.8;}
.rw-card ul{margin:8px 0 0 0;padding-left:18px;}
.rw-card ul li{color:var(--muted);font-size:14px;line-height:1.9;margin-bottom:4px;}

.rw-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:12px;font-size:18px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--red),var(--red-deep,#A90F0A));margin-bottom:14px;
}
.rw-tag{display:inline-block;font-size:12.5px;color:var(--gold);border:1px solid rgba(255,184,0,.4);padding:3px 12px;border-radius:999px;margin-bottom:12px;}

.rw-tbl-wrap{overflow-x:auto;border:1px solid var(--line-2,#282830);border-radius:var(--radius,14px);}
.rw-tbl{width:100%;border-collapse:collapse;background:var(--card,#16161D);min-width:560px;}
.rw-tbl th{background:#1A1A22;color:#fff;text-align:left;padding:13px 16px;font-size:14px;border-bottom:1px solid var(--line-2,#282830);}
.rw-tbl td{padding:12px 16px;color:var(--muted);font-size:14px;border-bottom:1px solid var(--line,#1B1B22);line-height:1.7;vertical-align:top;}
.rw-tbl tr:last-child td{border-bottom:none;}
.rw-tbl td strong{color:#fff;font-weight:600;}

.rw-callout{
  background:linear-gradient(165deg,rgba(224,38,29,.12),rgba(224,38,29,.04));
  border:1px solid rgba(224,38,29,.35);border-left:4px solid var(--red);
  border-radius:var(--radius,14px);padding:22px 24px;margin-top:24px;
}
.rw-callout h3{color:#fff;font-size:17px;margin-bottom:10px;}
.rw-callout p{color:var(--muted);font-size:14.5px;line-height:1.8;margin-bottom:8px;}
.rw-callout.warn{background:linear-gradient(165deg,rgba(255,184,0,.12),rgba(255,184,0,.04));border-color:rgba(255,184,0,.35);border-left-color:var(--gold);}

.rw-faq{display:grid;gap:12px;}
.rw-item{
  background:var(--card,#16161D);border:1px solid var(--line-2,#282830);
  border-radius:var(--radius,14px);overflow:hidden;transition:border-color .3s;
}
.rw-item[open]{border-color:rgba(255,184,0,.45);}
.rw-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;
  padding:15px 20px;color:#fff;font-size:15px;font-weight:600;
}
.rw-item summary::-webkit-details-marker{display:none;}
.rw-item summary::after{content:"+";font-size:20px;color:var(--gold);transition:transform .3s;}
.rw-item[open] summary::after{transform:rotate(45deg);}
.rw-item p{padding:0 20px 16px;color:var(--muted);font-size:14.5px;line-height:1.85;}

.rw-check{list-style:none;padding:0;margin:0;}
.rw-check li{position:relative;padding-left:30px;margin-bottom:10px;color:var(--muted);font-size:14.5px;line-height:1.7;}
.rw-check li::before{
  content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;
  background:linear-gradient(135deg,var(--red),var(--red-deep,#A90F0A));
}
.rw-check li::after{
  content:"";position:absolute;left:5px;top:10px;width:6px;height:10px;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);
}

.rw-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:rwstep;}
.rw-step{position:relative;background:var(--card,#16161D);border:1px solid var(--line-2,#282830);border-radius:var(--radius,14px);padding:22px 20px;}
.rw-step::before{
  counter-increment:rwstep;content:counter(rwstep,decimal-leading-zero);
  font-size:26px;font-weight:800;color:var(--gold);display:block;margin-bottom:10px;
}
.rw-step h3{color:#fff;font-size:16px;margin-bottom:8px;}
.rw-step p{color:var(--muted);font-size:14px;line-height:1.75;}

/* CSS 选项卡（radio+label，无JS） */
.rw-tabs{margin-top:8px;}
.rw-tabs input{display:none;}
.rw-tab-btns{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.rw-tab-btns label{
  cursor:pointer;padding:10px 20px;border:1px solid var(--line-2,#282830);border-radius:999px;
  color:var(--muted);font-size:14px;transition:all .25s;
}
.rw-tabs input:checked + .rw-tab-btns label{color:#fff;}
#rw-tab1:checked ~ .rw-tab-btns label[for=rw-tab1],
#rw-tab2:checked ~ .rw-tab-btns label[for=rw-tab2],
#rw-tab3:checked ~ .rw-tab-btns label[for=rw-tab3]{
  background:linear-gradient(135deg,var(--red),var(--red-deep,#A90F0A));border-color:transparent;color:#fff;
}
.rw-tab-panel{display:none;}
#rw-tab1:checked ~ .rw-tab-panels .rw-tab-panel.p1,
#rw-tab2:checked ~ .rw-tab-panels .rw-tab-panel.p2,
#rw-tab3:checked ~ .rw-tab-panels .rw-tab-panel.p3{display:block;}

@media (max-width:1024px){
  .rw-grid-2,.rw-grid-3,.rw-grid-4{grid-template-columns:1fr 1fr;}
  .rw-steps{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .rw-grid-2,.rw-grid-3,.rw-grid-4{grid-template-columns:1fr;}
  .rw-steps{grid-template-columns:1fr;}
  .rw-head h2{font-size:23px;}
}