/* 供应商合作 — Chinese page for manufacturers and suppliers. Builds on styles.css + sections.css, in the visual language of the Projects page. */
.cn-page{font-family:Manrope,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC","Source Han Sans SC",Arial,sans-serif;background:#fff}
.cn-page h1,.cn-page h2,.cn-page h3{letter-spacing:.01em}
.cn-page .eyebrow,.cn-page .section-label{letter-spacing:.08em}
.cn-page p,.cn-page li,.cn-page dd{line-height:1.85}
.cn-page{--card-shadow:0 26px 50px -30px rgba(17,40,47,.45);--card-shadow-hover:0 30px 60px -28px rgba(17,40,47,.55)}

/* Hero — light, like Projects */
.cn-hero{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(32px,5vw,80px);align-items:center;padding:clamp(48px,5.5vw,84px) 4.2vw clamp(56px,6vw,96px);background:radial-gradient(55% 75% at 78% 45%,#eef3f4 0,#fff 70%);overflow:hidden}
.cn-hero .section-label{margin-bottom:24px}
.cn-hero h1{font-size:clamp(34px,3.7vw,58px);font-weight:600;line-height:1.3;color:var(--ink)}
.cn-hero h1 em{font-style:normal;color:#ac793a}
.cn-lead{margin-top:24px;max-width:600px;font-size:1.0625rem;color:var(--muted)}
.cn-hero-actions{display:flex;align-items:center;gap:28px;margin-top:32px;flex-wrap:wrap}
.cn-hero-actions .text-link{color:var(--ink)}
.cn-langs{list-style:none;margin:30px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.cn-langs li{padding:5px 12px;border:1px solid var(--line);background:#fff;font-size:.8125rem;line-height:1.6;color:var(--ink);box-shadow:0 6px 14px -10px rgba(17,40,47,.35)}
.cn-langs li:first-child{background:var(--navy);border-color:var(--navy);color:#fff}

.cn-hero-visual{position:relative;height:clamp(360px,34vw,500px)}
.cn-hero-visual:before{content:"";position:absolute;left:10%;right:6%;bottom:-2%;height:9%;border-radius:50%;background:radial-gradient(closest-side,rgba(17,40,47,.22),rgba(17,40,47,0))}
.ph{position:absolute;margin:0;background:#fff;padding:6px;box-shadow:0 30px 60px -26px rgba(11,32,39,.55)}
.ph img{display:block;width:100%;height:100%;object-fit:cover}
.ph-1{width:58%;aspect-ratio:4/3;left:4%;top:6%;transform:rotate(-4deg);z-index:2}
.ph-2{width:42%;aspect-ratio:3/4;right:2%;top:0;transform:rotate(3deg);z-index:1}
.ph-3{width:50%;aspect-ratio:4/3;left:30%;bottom:2%;transform:rotate(1.5deg);z-index:3}
.float{position:absolute;z-index:4;display:flex;align-items:center;gap:12px;padding:12px 16px 12px 12px;background:#fff;border:1px solid var(--line);box-shadow:var(--card-shadow)}
.float svg{width:36px;height:36px;color:var(--navy)}
.float strong{display:block;font-size:1.5rem;font-weight:600;line-height:1.1;letter-spacing:-.02em;color:var(--ink)}
.float strong b{color:#ac793a;font-weight:600}
.float span{display:block;font-size:.8125rem;color:var(--muted);line-height:1.4}
.float-a{left:0;bottom:16%}
.float-b{right:0;bottom:34%}

/* Shared card look */
.cn-cards li,.cn-services-grid article,.cn-steps article,.cn-why-grid article,.cn-not{background:#fff;border:1px solid var(--line);box-shadow:var(--card-shadow);transition:transform .25s ease,box-shadow .25s ease}
.cn-cards li:hover,.cn-services-grid article:hover,.cn-steps article:hover,.cn-why-grid article:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}
.ic{display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,#eef3f4);box-shadow:inset 0 0 0 1px var(--line),0 10px 20px -12px rgba(17,40,47,.4)}
.ic svg{width:30px;height:30px;color:var(--navy)}

/* Situations */
.cn-situations{background:linear-gradient(180deg,#fff,#f6f9f9)}
.cn-cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cn-cards li{position:relative;padding:28px 26px 30px;display:flex;flex-direction:column;gap:14px;min-height:160px;overflow:hidden}
.cn-cards li:before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:linear-gradient(180deg,var(--gold),transparent)}
.cn-cards .n{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--navy);color:var(--gold);font-family:monospace;font-size:.8125rem}
.cn-cards p{font-size:1.0625rem;color:var(--ink)}

/* Services */
.cn-services{background:radial-gradient(60% 60% at 50% 40%,#eef3f4 0,#f6f9f9 60%,#fff 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cn-services-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.cn-services-grid article{padding:28px 24px 30px}
.cn-services-grid h3{margin:20px 0 10px;font-size:1.1875rem;font-weight:600;line-height:1.4}
.cn-services-grid p{font-size:.9375rem;color:var(--muted)}

/* How we work */
.cn-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:s}
.cn-steps article{position:relative;padding:28px 28px 30px}
.cn-steps .n{font-family:monospace;font-size:.875rem;color:#a77a3c;display:flex;align-items:center;gap:14px}
.cn-steps .n:after{content:"";height:1px;flex:1;background:linear-gradient(90deg,#cbd7da,transparent)}
.cn-steps h3{margin:18px 0 8px;font-size:1.3125rem;font-weight:600}
.cn-steps p{font-size:1rem;color:var(--muted)}
.cn-terms{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;margin-top:22px}
.cn-promises{list-style:none;margin:0;padding:26px 28px;display:grid;gap:14px;background:var(--pale);border:1px solid var(--line)}
.cn-promises li{position:relative;padding-left:30px;font-size:1rem;color:var(--ink)}
.cn-promises li:before{content:"";position:absolute;left:0;top:.45em;width:18px;height:18px;border-radius:50%;background:var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='m5 9.3 2.6 2.6L13 6.5' fill='none' stroke='%230b2027' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat}
.cn-not{padding:28px 30px;background:var(--navy);border-color:var(--navy);color:#fff;box-shadow:0 30px 60px -30px rgba(11,32,39,.7)}
.cn-not h3{font-size:1.25rem;font-weight:600;color:var(--gold)}
.cn-not p{margin-top:12px;color:#c3d1d4;font-size:1rem}

/* Why us */
.cn-why{background:linear-gradient(180deg,#fff,#f6f9f9);border-top:1px solid var(--line)}
.cn-why-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cn-why-grid article{padding:28px 28px 30px}
.cn-why-grid strong{display:block;margin-top:20px;font-size:clamp(2rem,3vw,2.8rem);font-weight:600;line-height:1.2;color:var(--ink);letter-spacing:-.01em}
.cn-why-grid strong b{font-weight:600;color:#ac793a;font-size:.6em;margin-left:4px}
.cn-why-grid p{margin-top:10px;font-size:1rem;color:var(--muted)}

/* Contact */
.cn-contact{position:relative;background:var(--navy);color:#fff;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(220px,300px);gap:clamp(32px,6vw,96px);align-items:center;overflow:hidden}
.cn-contact:before{content:"";position:absolute;right:-10%;top:-40%;width:60%;height:180%;background:radial-gradient(closest-side,rgba(217,172,105,.14),rgba(217,172,105,0));pointer-events:none}
.cn-contact .section-label{color:var(--gold)}
.cn-contact h2{font-size:clamp(30px,3.2vw,48px);font-weight:600;line-height:1.35}
.cn-contact h2 span{color:var(--gold)}
.cn-contact-intro{margin-top:20px;color:#b9cbd0;font-size:1.0625rem;max-width:520px}
.cn-details{margin:30px 0 0;display:grid;gap:14px;border-top:1px solid #ffffff25;padding-top:24px}
.cn-details div{display:grid;grid-template-columns:64px 1fr;gap:16px}
.cn-details dt{font-size:.8125rem;color:#9fb3b8;letter-spacing:.08em;padding-top:2px}
.cn-details dd{margin:0;color:#e3ecee;font-size:1rem}
.cn-details a:hover{color:var(--gold)}
.cn-qr{position:relative;margin:0;background:#fff;padding:18px 18px 14px;text-align:center;box-shadow:0 34px 70px -24px rgba(0,0,0,.75)}
.cn-qr:before{content:"";position:absolute;inset:-10px;border:1px solid rgba(217,172,105,.5);transform:rotate(-3deg);pointer-events:none}
.cn-qr img{width:100%;height:auto}
.cn-qr figcaption{margin-top:8px;font-size:.875rem;color:var(--muted);letter-spacing:.1em}

/* Proverb */
.cn-proverb{padding:clamp(56px,7vw,96px) 4.2vw;text-align:center;background:radial-gradient(50% 80% at 50% 50%,#eef3f4 0,#fff 75%);border-bottom:1px solid var(--line)}
.cn-proverb p{font-size:clamp(30px,4vw,56px);font-weight:600;letter-spacing:.18em;color:var(--ink)}
.cn-proverb p:after{content:"";display:block;width:48px;height:2px;margin:26px auto 0;background:var(--gold)}

@media(min-width:1800px){.cn-hero{padding-left:max(4.2vw,calc((100vw - 1640px)/2));padding-right:max(4.2vw,calc((100vw - 1640px)/2))}}
@media(max-width:1100px){
  .cn-hero{grid-template-columns:1fr}
  .cn-hero-visual{height:420px;max-width:640px;width:100%;justify-self:center}
  .cn-services-grid,.cn-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cn-terms{grid-template-columns:1fr}
}
@media(max-width:720px){
  .cn-hero{padding:34px 16px 44px;gap:34px}
  .cn-hero h1{font-size:clamp(28px,8vw,40px)}
  .cn-lead{font-size:1rem}
  .cn-hero-actions{gap:18px}
  .cn-hero-actions .button{width:100%}
  .cn-hero-visual{height:310px}
  .float{padding:9px 12px 9px 9px;gap:9px}
  .float svg{width:28px;height:28px}
  .float strong{font-size:1.2rem}
  .float span{font-size:.75rem}
  .cn-cards,.cn-services-grid,.cn-steps,.cn-why-grid{grid-template-columns:1fr;gap:16px}
  .cn-cards li{min-height:0;padding:22px 20px}
  .cn-services-grid article,.cn-steps article,.cn-why-grid article{padding:22px 20px 24px}
  .cn-promises,.cn-not{padding:22px 20px}
  .cn-contact{grid-template-columns:1fr}
  .cn-qr{max-width:250px;justify-self:center;width:100%}
  .cn-proverb p{letter-spacing:.1em}
}
@media(prefers-reduced-motion:reduce){.cn-cards li,.cn-services-grid article,.cn-steps article,.cn-why-grid article{transition:none}}