/* 和邦塑胶原料官网 —— 橙白工业原料风 */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#141B26;--sub:#5B6B82;--bg:#0E141F;--card:#161F2E;
  --org:#E85A1E;--org2:#F2762E;--grad:linear-gradient(135deg,#E85A1E,#F59A3E);
  --mist:#F7F5F2;--line:#E8E4DD;--r:20px;--r-s:14px;
  --sh:0 24px 60px -24px rgba(20,27,38,.22)
}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{text-decoration:none;color:inherit}
.hx-wrap{max-width:1440px;margin:0 auto;padding:0 56px}
/* 顶栏 */
.topbar{background:var(--bg);color:#93A0B6;font-size:12.5px}
.topbar .hx-wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar b{color:#fff;font-weight:600}
.topbar span{margin-left:22px}
/* 导航 */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:12px}
.brand .b-logo{width:46px;height:46px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:17px;letter-spacing:-1px;box-shadow:0 10px 22px -8px rgba(232,90,30,.55)}
.brand b{font-size:19px;letter-spacing:1px}
.brand small{display:block;font-size:10px;color:var(--sub);letter-spacing:2.5px;font-weight:400}
.mainnav{display:flex;gap:6px}
.mainnav a{padding:10px 18px;font-size:15px;font-weight:600;color:var(--ink);border-radius:99px;position:relative;transition:.25s}
.mainnav a:hover{color:var(--org)}
.mainnav a.on{color:#fff;background:var(--grad)}
.hd-cta{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;font-weight:700;font-size:14px;padding:12px 24px;border-radius:99px;box-shadow:0 12px 26px -12px rgba(232,90,30,.6);transition:.3s}
.hd-cta:hover{transform:translateY(-2px)}
.burger{display:none;background:none;border:0;font-size:24px}
/* HERO */
.hero{position:relative;min-height:calc(100vh - 116px);background:var(--bg);overflow:hidden}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;visibility:hidden;transition:opacity .65s ease,visibility .65s ease}
.hero-slide.is-active{position:relative;min-height:calc(100vh - 116px);opacity:1;visibility:visible}
.hero-slide::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(10,15,24,.96) 0%,rgba(10,15,24,.85) 55%,rgba(10,15,24,.5) 100%)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;transform:scale(1.025);transition:transform 6s ease}
.hero-slide.is-active .hero-bg{transform:scale(1)}
.hero-in{position:relative;z-index:2;color:#fff;padding:90px 56px;text-align:left;width:100%}
.hero-in>*{max-width:860px}
.kick{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;letter-spacing:2.5px;color:#FFB287;background:rgba(232,90,30,.14);border:1px solid rgba(232,90,30,.4);border-radius:99px;padding:8px 18px}
.kick i{width:7px;height:7px;border-radius:50%;background:var(--grad)}
.hero .hero-title{font-size:56px;font-weight:800;letter-spacing:1px;line-height:1.24;margin:24px 0 18px}
.hero .hero-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:16.5px;color:rgba(255,255,255,.8);line-height:1.95;max-width:680px;margin-bottom:36px}
.h-acts{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:15px 34px;border-radius:99px;font-weight:700;font-size:15px;transition:.3s;border:1px solid transparent}
.btn-g{background:var(--grad);color:#fff;box-shadow:0 14px 30px -12px rgba(232,90,30,.6)}
.btn-g:hover{transform:translateY(-2px);box-shadow:0 20px 38px -14px rgba(232,90,30,.7)}
.btn-o{border-color:rgba(255,255,255,.35);color:#fff}
.btn-o:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-ol{border-color:var(--line);color:var(--ink);background:#fff}
.btn-ol:hover{border-color:var(--org);color:var(--org)}
.h-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:64px;max-width:820px}
.h-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-s);padding:22px 24px;backdrop-filter:blur(8px)}
.h-stat b{display:block;font-size:34px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.h-stat span{font-size:13px;color:rgba(255,255,255,.68)}
.hero-arrow{position:absolute;z-index:4;top:50%;width:46px;height:46px;border:1px solid rgba(255,255,255,.22);border-radius:50%;background:rgba(10,15,24,.35);color:#fff;font-size:32px;line-height:1;cursor:pointer;backdrop-filter:blur(8px);transform:translateY(-50%);transition:.25s}
.hero-arrow:hover{background:rgba(232,90,30,.8);border-color:transparent}
.hero-prev{left:22px}.hero-next{right:22px}
.hero-dots{position:absolute;z-index:4;right:50%;bottom:28px;display:flex;gap:9px;transform:translateX(50%)}
.hero-dot{width:8px;height:8px;padding:0;border:0;border-radius:99px;background:rgba(255,255,255,.4);cursor:pointer;transition:.25s}
.hero-dot.is-active{width:28px;background:#fff}
/* 通用区块 */
.sec{padding:104px 0}
.sec-mist{background:var(--mist)}
.sec-ink{background:var(--bg);color:#fff}
.sh{margin-bottom:54px}
.sh .kick{color:var(--org);background:rgba(232,90,30,.08);border-color:rgba(232,90,30,.25)}
.sec-ink .kick{color:#FFB287}
.sh h2{font-size:40px;font-weight:800;letter-spacing:.5px;margin:16px 0 12px}
.sh p{color:var(--sub);font-size:15.5px;max-width:660px;line-height:1.85}
.sec-ink .sh p{color:rgba(255,255,255,.62)}
.sh-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px}
.sh-more{flex-shrink:0;font-size:14px;font-weight:700;color:var(--org);border:1.5px solid rgba(232,90,30,.4);border-radius:99px;padding:10px 24px;transition:.3s}
.sh-more:hover{background:var(--grad);color:#fff;border-color:transparent}
/* 品牌卡 */
.br-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.br-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px 30px;display:flex;align-items:center;gap:20px;transition:.35s}
.br-card:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:rgba(232,90,30,.35)}
.br-mk{width:64px;height:64px;border-radius:16px;background:var(--mist);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;color:var(--org);flex-shrink:0}
.br-card h3{font-size:19px;margin-bottom:4px}
.br-card p{font-size:13px;color:var(--sub)}
.br-tag{margin-left:auto;font-size:11px;font-weight:700;color:var(--sub);background:var(--mist);border-radius:99px;padding:6px 14px;flex-shrink:0}
/* 材料卡 */
.mt-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.mt-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 28px;transition:.35s cubic-bezier(.2,.7,.3,1);position:relative;overflow:hidden;display:flex;flex-direction:column}
.mt-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.4s}
.mt-card:hover{transform:translateY(-8px);box-shadow:var(--sh)}
.mt-card:hover::before{transform:scaleX(1)}
.mt-code{font-size:30px;font-weight:800;letter-spacing:-.5px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px}
.mt-card h3{font-size:17px;margin-bottom:10px}
.mt-card p{font-size:13px;color:var(--sub);line-height:1.75;flex:1}
.mt-app{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:12px;color:var(--sub)}
.mt-app b{color:var(--ink);font-weight:600}
/* 现货图库 */
.st-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.st-item{position:relative;border-radius:var(--r-s);overflow:hidden;aspect-ratio:4/3}
.st-item img{width:100%;height:100%;object-fit:cover;transition:.6s}
.st-item:hover img{transform:scale(1.07)}
.st-item::after{content:attr(data-t);position:absolute;left:14px;bottom:14px;background:rgba(14,20,31,.78);backdrop-filter:blur(6px);color:#fff;font-size:12px;font-weight:600;border-radius:99px;padding:6px 14px}
/* 服务 */
.sv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.sv-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);padding:34px 28px;transition:.35s}
.sv-card:hover{background:rgba(255,255,255,.09);transform:translateY(-6px);border-color:rgba(232,90,30,.5)}
.sv-no{font-size:13px;font-weight:800;letter-spacing:2px;color:#FFB287;margin-bottom:16px}
.sv-card h3{font-size:18px;color:#fff;margin-bottom:10px}
.sv-card p{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.8}
/* 应用领域 */
.ap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.ap-card{border-radius:var(--r);padding:36px 28px;background:linear-gradient(160deg,#FFF4EC,#FFFFFF 60%);border:1px solid var(--line);transition:.35s}
.ap-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.ap-ic{width:56px;height:56px;border-radius:16px;background:var(--grad);display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 12px 24px -10px rgba(232,90,30,.5)}
.ap-ic svg{width:28px;height:28px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ap-card h3{font-size:17.5px;margin-bottom:8px}
.ap-card p{font-size:13.5px;color:var(--sub);line-height:1.75}
/* 关于 */
.ab-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.ab-imgs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ab-imgs img{width:100%;height:210px;object-fit:cover;border-radius:var(--r-s)}
.ab-imgs img:first-child{grid-column:1/-1;height:300px}
.ab-txt h2{font-size:34px;font-weight:800;margin:16px 0 18px}
.ab-txt p{font-size:15px;color:var(--sub);line-height:1.95;margin-bottom:14px}
.ab-pts{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.ab-pt{background:#fff;border:1px solid var(--line);border-radius:var(--r-s);padding:18px 20px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:12px}
.ab-pt i{width:9px;height:9px;border-radius:50%;background:var(--grad);flex-shrink:0}
/* CTA */
.cta-band{padding:0 0 104px}
.cta-in{background:linear-gradient(115deg,#C44A12,#E85A1E 45%,#F59A3E);border-radius:28px;padding:70px 64px;display:flex;align-items:center;justify-content:space-between;gap:36px;color:#fff;position:relative;overflow:hidden}
.cta-in::after{content:"HEBANG";position:absolute;right:30px;bottom:-34px;font-size:130px;font-weight:900;letter-spacing:6px;color:rgba(255,255,255,.09)}
.cta-in h2{font-size:36px;font-weight:800;margin-bottom:12px}
.cta-in p{font-size:15px;color:rgba(255,255,255,.85);max-width:560px;line-height:1.8}
.btn-w{background:#fff;color:#C44A12}
.btn-w:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(0,0,0,.3)}
/* 页头 */
.pg-hero{background:var(--bg);color:#fff;padding:92px 0;position:relative;overflow:hidden}
.pg-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 80% 20%,rgba(232,90,30,.25),transparent)}
.pg-hero h1{font-size:44px;font-weight:800;margin:16px 0 12px;position:relative;z-index:2}
.pg-hero p{color:rgba(255,255,255,.62);font-size:15.5px;max-width:640px;position:relative;z-index:2}
.crumb{font-size:13px;color:rgba(255,255,255,.5);position:relative;z-index:2}
.crumb a{color:#FFB287}
/* 材料详情行 */
.mtx-row{display:grid;grid-template-columns:1fr 1fr;gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:36px;margin-bottom:22px;transition:.3s}
.mtx-row:hover{box-shadow:var(--sh)}
.mtx-row .mt-code{font-size:34px}
.mtx-row h3{font-size:20px;margin-bottom:12px}
.mtx-row p{font-size:14px;color:var(--sub);line-height:1.85}
.mtx-feats{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.mtx-feats span{font-size:12.5px;font-weight:600;color:var(--org);background:rgba(232,90,30,.08);border-radius:99px;padding:7px 16px}
/* 联系 */
.c-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:26px}
.c-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:.3s}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.c-card b{display:block;font-size:15px;margin-bottom:8px}
.c-card span{font-size:14.5px;color:var(--sub);line-height:1.7}
.c-card .big{font-size:22px;font-weight:800;color:var(--ink)}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.f-grid .full{grid-column:1/-1}
form .ipt,form textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-s);padding:15px 18px;font-size:14.5px;font-family:inherit;background:#fff;transition:.25s}
form .ipt:focus,form textarea:focus{outline:none;border-color:var(--org);box-shadow:0 0 0 4px rgba(232,90,30,.12)}
form textarea{min-height:130px;resize:vertical}
.f-ok{display:none;margin-top:14px;color:#1A9E54;font-size:14px;font-weight:600}
.map-card{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);height:400px;margin-bottom:60px}
.map-card>img{width:100%;height:100%;object-fit:cover}
.map-info{position:absolute;left:26px;bottom:26px;background:rgba(14,20,31,.85);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-s);padding:22px 26px;color:#fff;max-width:480px}
.map-info b{font-size:16px;display:block;margin-bottom:8px}
.card-link{color:inherit;text-decoration:none}
.card-link:focus-visible,.btn:focus-visible,.mainnav a:focus-visible,.sh-more:focus-visible{outline:3px solid rgba(232,90,30,.45);outline-offset:4px}
.entity-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:64px;align-items:start}
.entity-main{font-size:16px;line-height:1.9;color:var(--sub)}
.entity-main h2{font-size:27px;line-height:1.3;color:var(--ink);margin:34px 0 12px}
.entity-main .kick+h2{margin-top:16px}
.entity-lead{font-size:18px;color:var(--ink)}
.entity-side{position:sticky;top:110px;border:1px solid var(--line);border-radius:var(--r);padding:26px;background:#fff;box-shadow:var(--sh)}
.entity-side .btn{width:100%;margin-top:20px;text-align:center}
.entity-fact{padding:14px 0;border-bottom:1px solid var(--line)}
.entity-fact:first-child{padding-top:0}.entity-fact span{display:block;color:var(--sub);font-size:12px;margin-bottom:4px}.entity-fact strong{font-size:15px}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-s);background:#fff;padding:0 24px}
.faq-item summary{cursor:pointer;font-weight:700;font-size:16px;padding:22px 28px 22px 0;position:relative;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";position:absolute;right:0;top:18px;font-size:24px;color:var(--org)}
.faq-item[open] summary::after{content:"−"}.faq-item p{color:var(--sub);font-size:14px;line-height:1.8;padding:0 0 22px}
footer address{font-style:normal}
.map-info p{font-size:13px;color:rgba(255,255,255,.75);line-height:1.7;margin-bottom:14px}
.map-nav{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;border-radius:999px;padding:10px 20px;font-size:13.5px;font-weight:600}
/* 页脚 */
footer{background:var(--bg);color:#8EA0BC;padding:64px 0 0;margin-top:0}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px}
.ft-grid h4{color:#fff;font-size:16px;margin-bottom:18px}
.ft-grid a,.ft-grid p{display:block;font-size:13.5px;color:#8EA0BC;margin-bottom:11px;line-height:1.7}
.ft-grid a:hover{color:#fff}
.ft-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.ft-brand .b-logo{width:42px;height:42px;border-radius:11px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px}
.ft-brand b{color:#fff;font-size:17px}
.ft-bar{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12.5px;color:#5B6B82}
.ft-legal{display:flex;align-items:center;flex-wrap:wrap;gap:8px 18px}
.ft-record{position:relative;color:#71829A}
.ft-record::before{content:"";position:absolute;left:-10px;top:50%;width:2px;height:2px;border-radius:50%;background:#45546A;transform:translateY(-50%)}
.ft-record a{color:inherit;transition:color .2s ease}
.ft-record a:hover{color:#fff}
.ft-slogan{white-space:nowrap}
/* 淡入 */
.rise{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rise.in{opacity:1;transform:none}
@media(max-width:1100px){
  .hx-wrap{padding:0 28px}
  .mainnav{position:fixed;inset:78px 0 auto 0;background:#fff;flex-direction:column;padding:14px 24px 26px;border-bottom:1px solid var(--line);display:none;box-shadow:var(--sh);border-radius:0 0 18px 18px}
  .mainnav.open{display:flex}
  .burger{display:block}
  .hd-cta{display:none}
  .hero-in{padding:90px 28px}
  .hero .hero-title{font-size:40px}
  .br-grid,.mt-grid,.sv-grid,.ap-grid{grid-template-columns:1fr 1fr}
  .st-grid{grid-template-columns:1fr 1fr}
  .ab-grid{grid-template-columns:1fr}
  .mtx-row{grid-template-columns:1fr}
  .c-grid{grid-template-columns:1fr 1fr}
  .ft-grid{grid-template-columns:1fr 1fr}
  .topbar{display:none}
  .hero{min-height:calc(100vh - 78px)}
}
@media(max-width:560px){
  .sec{padding:70px 0}
  .sh h2{font-size:28px}
  .hero .hero-title{font-size:30px}
    .h-stats{grid-template-columns:1fr 1fr}
    .hero-arrow{display:none}
  .br-grid,.mt-grid,.sv-grid,.ap-grid,.st-grid,.c-grid,.f-grid,.ab-pts{grid-template-columns:1fr}
  .cta-in{flex-direction:column;align-items:flex-start;padding:44px 30px}
  .cta-in h2{font-size:26px}
  .pg-hero h1{font-size:30px}
  .mtx-row{padding:26px 22px}
  .map-card{height:320px}
  .map-info{left:14px;right:14px;bottom:14px}
  .entity-grid{grid-template-columns:1fr;gap:30px}.entity-side{position:static}.faq-grid{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr}
  .ft-bar{align-items:flex-start;flex-direction:column;gap:10px;padding:18px 0}
  .ft-legal{align-items:flex-start;flex-direction:column;gap:6px}
  .ft-record::before{display:none}
  .ft-slogan{white-space:normal}
  .h-acts .btn{width:100%;justify-content:center}
}