@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');

:root{--navy:#10283d;--navy-2:#173950;--ink:#1a3040;--muted:#60717d;--copper:#e98741;--copper-light:#fff0e4;--paper:#f7f8f6;--line:#dfe5e7;--white:#fff;--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;background:var(--white);color:var(--ink);font-family:'Noto Sans SC','Microsoft YaHei',Arial,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
button,a{font:inherit}
a{color:inherit;text-decoration:none}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(calc(100% - 64px),var(--max));margin:auto}
.skip-link{position:absolute;left:16px;top:-60px;z-index:100;background:#fff;padding:8px 16px}.skip-link:focus{top:8px}
.topbar{background:#0b2030;color:#c6d2d7;font-size:12px;letter-spacing:.03em}.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar a{color:#fff;font-weight:600}.topbar a span{color:var(--copper);padding-left:5px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);box-shadow:0 5px 25px rgba(8,28,40,.07);backdrop-filter:blur(12px)}.header-inner{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:block;flex:0 1 360px;min-width:0}.brand img{width:100%;max-width:358px;height:auto;max-height:70px;object-fit:contain;object-position:left center}.primary-nav{display:flex;align-items:center;gap:32px;white-space:nowrap;font-size:14px;font-weight:600}.primary-nav>a:not(.nav-contact){transition:color .2s}.primary-nav>a:hover,.text-link:hover{color:#bc652e}.nav-contact{background:var(--navy);color:#fff;padding:11px 19px;border-radius:3px;transition:background .2s}.nav-contact:hover{background:var(--navy-2);color:#fff!important}.nav-contact span{margin-left:7px;color:var(--copper)}.menu-toggle{display:none}
.hero{position:relative;min-height:680px;background:linear-gradient(90deg,rgba(7,25,38,.93) 0%,rgba(7,25,38,.77) 35%,rgba(7,25,38,.16) 82%),linear-gradient(0deg,rgba(5,22,35,.77),transparent 31%),url('assets/industrial-yard.png') center center/cover no-repeat;color:#fff;overflow:hidden}.hero-content{min-height:610px;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:70px 0}.hero-copy{max-width:660px}.eyebrow{display:flex;align-items:center;gap:11px;margin:0 0 23px;color:#b26837;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.eyebrow span{width:24px;height:2px;background:currentColor;flex:none}.eyebrow-light{color:#f8b67e}.hero h1{font-size:clamp(44px,5.2vw,76px);line-height:1.28;letter-spacing:-.035em;margin:0 0 25px;font-weight:800}.hero h1 em{font-style:normal;color:#f4a35d}.hero-lead{font-size:18px;line-height:1.9;color:#e5eced;max-width:570px;margin:0}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:37px}.button{min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:27px;padding:11px 25px;border-radius:3px;font-size:14px;font-weight:700;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--copper);color:#172736}.button-primary:hover{background:#f6a464}.button-ghost{color:#fff;border:1px solid rgba(255,255,255,.55)}.button-ghost:hover{background:rgba(255,255,255,.12)}.hero-index{align-self:flex-end;display:flex;align-items:end;gap:12px;color:rgba(255,255,255,.72);font-size:9px;line-height:1.5;letter-spacing:.12em;padding-bottom:14px;white-space:nowrap}.hero-index b{font-size:36px;line-height:1;font-weight:700;letter-spacing:-.08em;color:#fff}.hero-bottom{position:relative;display:flex;gap:0;border-top:1px solid rgba(255,255,255,.27);height:70px;align-items:center;color:#ebeff0;font-size:13px;letter-spacing:.06em}.hero-bottom span{padding:0 35px;border-left:1px solid rgba(255,255,255,.3)}.hero-bottom span:first-child{padding-left:0;border-left:0}
.section{padding:110px 0}.section-title{font-size:clamp(34px,3.5vw,52px);line-height:1.36;letter-spacing:-.035em;font-weight:500;margin:0}.section-title strong{font-weight:800}.intro{background:#fff}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:start}.intro-text{padding-top:25px}.intro-text p{margin:0 0 18px;color:#5a6d79;line-height:2;font-size:16px}.text-link{display:inline-flex;align-items:center;gap:25px;margin-top:18px;padding-bottom:7px;border-bottom:2px solid var(--copper);font-weight:700;font-size:14px;transition:color .2s}
.demolition{background:var(--navy);color:#fff}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:60px;margin-bottom:46px}.section-heading>p{width:340px;margin:0 0 5px;color:#b8c7ce;line-height:1.9}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.service-card{position:relative;min-height:375px;padding:34px 34px 32px;display:flex;flex-direction:column;align-items:flex-start;overflow:hidden}.dark-card{background:#1b3a4f;border:1px solid #3c5768;transition:background .25s,transform .25s}.dark-card:hover{background:#22465e;transform:translateY(-4px)}.service-number{font-size:12px;color:#a9bfca;letter-spacing:.15em}.service-icon{width:63px;height:63px;margin:29px 0 8px;display:grid;place-items:center;border:1px solid #708694;border-radius:50%;font-size:31px;color:#f4ad70;line-height:1}.service-card h3{font-size:25px;line-height:1.4;margin:13px 0 12px}.service-card p{font-size:14px;color:#bdcbd2;line-height:1.9;margin:0 0 27px}.card-tag{margin-top:auto;color:#f5b17b;font-size:12px;font-weight:700;letter-spacing:.04em}
.recycling{background:var(--paper)}.light-heading>p{color:var(--muted)}.recycle-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.recycle-card{position:relative;min-height:240px;padding:34px 42px 35px;background:#fff;border:1px solid #e6eaeb;transition:box-shadow .2s,transform .2s}.recycle-card:hover{box-shadow:0 18px 42px rgba(14,45,60,.09);transform:translateY(-3px)}.recycle-no{color:#b76a37;font-size:11px;font-weight:800;letter-spacing:.12em}.recycle-card h3{font-size:24px;margin:19px 0 7px}.recycle-card p{max-width:430px;color:#6a7b84;font-size:14px;line-height:1.9;margin:0;padding-right:18px}.recycle-mark{position:absolute;right:38px;top:29px;font-size:24px;color:#d8dfe1}
.faq{background:#fff}.faq-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:9%}.faq-list{border-top:1px solid var(--line)}.faq-item{padding:20px 0 22px;border-bottom:1px solid var(--line)}.faq-item h3{font-size:18px;line-height:1.5;margin:0 0 8px}.faq-item p{color:var(--muted);font-size:14px;line-height:1.9;margin:0}
.cooperation{background:#f1e8dc;position:relative;overflow:hidden}.cooperation:before{content:'';position:absolute;left:-180px;top:-190px;width:540px;height:540px;border:1px solid rgba(173,111,63,.13);border-radius:50%;box-shadow:0 0 0 90px rgba(255,255,255,.12),0 0 0 180px rgba(255,255,255,.1)}.cooperation-grid{position:relative;display:grid;grid-template-columns:.95fr 1fr;gap:10%;align-items:center}.cooperation-lead{max-width:470px;color:#5a6d79;line-height:2;margin:24px 0 30px}.button-dark{background:var(--navy);color:#fff}.button-dark:hover{background:var(--navy-2)}.partner-panel{background:#fff;padding:12px 36px;box-shadow:0 25px 60px rgba(91,62,32,.08)}.partner-row{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:27px 0;border-bottom:1px solid #e8e9e7}.partner-row:last-child{border-bottom:0}.partner-row>span{font-size:13px;font-weight:800;color:#cc8048;padding-top:5px}.partner-row h3{font-size:19px;line-height:1.4;margin:0 0 5px}.partner-row p{font-size:13px;color:#6b7b83;margin:0;line-height:1.8}
.steps{background:#fff}.steps-head{text-align:center;margin-bottom:50px}.steps-head .eyebrow{justify-content:center}.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}.step{position:relative;padding-top:24px;border-top:2px solid #d7dfe1}.step:before{content:'';position:absolute;top:-5px;left:0;width:8px;height:8px;background:var(--copper);border-radius:50%}.step span{font-size:30px;font-weight:800;color:#d4dfe2;line-height:1}.step h3{font-size:19px;margin:16px 0 7px}.step p{font-size:13px;color:#6d7d85;margin:0;line-height:1.8}
.contact{padding:95px 0;background:#10283d;color:#fff}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:center}.contact h2{font-size:clamp(38px,4vw,58px);line-height:1.32;letter-spacing:-.03em;margin:0 0 20px}.contact-grid>div:first-child>p:last-child{max-width:435px;color:#bed0d7;line-height:1.95;margin:0}.contact-panel{background:#1b3d53;border:1px solid #406074;padding:38px 42px}.contact-label{display:block;color:#adbec7;font-size:13px;margin-bottom:6px}.phone-number{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#fff;font-weight:800;font-size:clamp(26px,2.6vw,37px);letter-spacing:.025em;white-space:nowrap}.phone-number span{font-size:24px;color:var(--copper)}.contact-divider{height:1px;background:#476277;margin:25px 0}.wechat-line{display:flex;align-items:center;justify-content:space-between;gap:15px}.wechat-line strong{font-size:22px}.copy-button{background:transparent;color:#f2b382;border:1px solid #a97253;border-radius:3px;padding:8px 13px;font-size:12px;white-space:nowrap}.copy-button:hover{background:#284a5f}.contact-note{margin:18px 0 0;font-size:12px;color:#9eb4c0}
.footer{background:#091b29;color:#c3d0d6}.footer-main{display:flex;justify-content:space-between;gap:30px;padding:44px 0 32px}.footer-main strong{color:#fff;font-size:18px}.footer-main p{font-size:13px;margin:3px 0 0}.footer-links{display:flex;gap:25px;align-items:start;font-size:13px}.footer-links a:hover,.footer-bottom a:hover{color:#f1a66c}.footer-bottom{border-top:1px solid #2a3d49;padding:22px 0 30px;display:flex;justify-content:space-between;gap:20px;font-size:12px}.mobile-cta{display:none}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:#172e40;color:#fff;padding:10px 19px;border-radius:5px;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.2);opacity:0;visibility:hidden;z-index:60;transition:opacity .25s,transform .25s,visibility .25s}.toast.is-visible{opacity:1;visibility:visible;transform:translate(-50%,0)}
@media(max-width:1050px){.container{width:min(calc(100% - 44px),var(--max))}.header-inner{gap:20px}.brand{flex-basis:280px}.primary-nav{gap:19px;font-size:13px}.hero{min-height:620px}.hero-content{min-height:550px}.hero-index{display:none}.service-card{padding:28px 24px}.contact-grid{gap:5%}}
@media(max-width:760px){html{scroll-padding-top:70px}.container{width:min(calc(100% - 36px),var(--max))}.topbar{display:none}.site-header{top:0}.header-inner{min-height:70px}.brand{flex:0 1 260px}.brand img{max-height:56px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:42px;height:42px;flex:none;border:0;background:transparent}.menu-toggle span{display:block;width:22px;height:2px;background:var(--navy);transition:transform .2s,opacity .2s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(7px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-7px) rotate(-45deg)}.primary-nav{display:none;position:absolute;left:0;right:0;top:70px;background:#fff;padding:13px 18px 24px;box-shadow:0 18px 25px rgba(14,42,56,.12);flex-direction:column;align-items:stretch;gap:0}.primary-nav.is-open{display:flex}.primary-nav a{padding:13px 7px;border-bottom:1px solid #edf0f1}.primary-nav .nav-contact{margin-top:14px;text-align:center;border:0}.hero{min-height:auto;background-position:57% center}.hero-content{min-height:565px;align-items:center;padding:72px 0 60px}.hero h1{font-size:clamp(40px,8vw,60px)}.hero-lead{font-size:16px}.hero-bottom{height:auto;display:grid;grid-template-columns:1fr 1fr;padding:16px 0;gap:7px 15px}.hero-bottom span{padding:0;border:0;font-size:11px}.section{padding:77px 0}.intro-grid,.cooperation-grid,.contact-grid,.faq-grid{grid-template-columns:1fr;gap:25px}.intro-text{padding-top:0}.section-heading{align-items:start;flex-direction:column;gap:16px;margin-bottom:30px}.section-heading>p{width:auto;max-width:530px}.service-grid{grid-template-columns:1fr;gap:12px}.service-card{min-height:265px;padding:26px 27px}.service-icon{position:absolute;right:26px;top:4px;width:55px;height:55px;font-size:25px}.service-card h3{margin-top:30px}.recycle-grid{grid-template-columns:1fr;gap:12px}.recycle-card{min-height:205px;padding:27px}.recycle-mark{right:26px;top:22px}.cooperation-grid{gap:38px}.partner-panel{padding:7px 27px}.steps-grid{grid-template-columns:repeat(2,1fr);gap:30px 20px}.contact{padding:75px 0 88px}.contact-panel{padding:29px}.footer-main{flex-direction:column;gap:22px}.footer-links{flex-wrap:wrap;gap:12px 21px}.footer-bottom{flex-direction:column;gap:6px;padding-bottom:90px}.mobile-cta{position:fixed;z-index:40;left:0;right:0;bottom:0;display:grid;grid-template-columns:1fr 1fr;background:#fff;box-shadow:0 -7px 24px rgba(9,30,42,.15);padding:9px 14px calc(9px + env(safe-area-inset-bottom));gap:8px}.mobile-cta a,.mobile-cta button{display:flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:3px;padding:11px 8px;font-size:14px;font-weight:700}.mobile-cta a{background:var(--copper);color:#152936}.mobile-cta button{background:var(--navy);color:#fff}.toast{bottom:80px}}
@media(max-width:430px){.brand{flex-basis:240px}.hero-content{min-height:535px}.hero h1{font-size:39px}.hero-actions{gap:10px}.hero-actions .button{width:100%;min-height:48px}.hero-bottom{grid-template-columns:1fr 1fr}.section-title{font-size:34px}.recycle-card h3{font-size:21px}.phone-number{font-size:27px}.wechat-line strong{font-size:19px}.contact-panel{padding:24px}.steps-grid{gap:28px 15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}