/* ========== 春阳数据 官网 v2 共用样式 ========== */
:root{
  --bg:#ffffff;
  --ink:#0a0a0a;
  --ink-2:#3d3d3d;
  --ink-3:#6b6b6b;
  --ink-4:#9a9a9a;
  --line:#e8e8e8;
  --line-2:#f1f1f1;
  --line-3:#f7f7f7;
  --accent:#0a8f6e;
  --accent-2:#0c6e57;
  --accent-soft:#e6f4ef;
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color .15s}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none}

/* ========== 通用容器 ========== */
.wrap{max-width:var(--max);margin:0 auto;padding:0 40px}

/* ========== 导航 ========== */
.nav{position:sticky;top:0;background:rgba(255,255,255,.94);-webkit-backdrop-filter:saturate(180%) blur(10px);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line-2);z-index:50}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;letter-spacing:.3px}
.logo-mark{width:28px;height:28px;border-radius:7px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:600;letter-spacing:0}
.nav-links{display:flex;gap:38px;font-size:14.5px;color:var(--ink-2);align-items:center}
.nav-links a:hover{color:var(--accent)}
.nav-links a.active{color:var(--accent);font-weight:600}
.nav-dropdown-menu li a.active{background:var(--accent-soft);color:var(--accent);font-weight:500}

/* ========== 导航下拉菜单 ========== */
.nav-dropdown{display:inline-flex;align-items:center;position:relative;height:68px}
.nav-dropdown > a{display:inline-flex;align-items:center;height:100%}
.nav-dropdown > a::after{content:"";display:inline-block;width:6px;height:6px;border-right:1.5px solid var(--ink-3);border-bottom:1.5px solid var(--ink-3);transform:rotate(45deg) translateY(-2px);margin-left:8px;opacity:.55;transition:transform .15s, opacity .15s}
.nav-dropdown:hover > a::after{transform:rotate(-135deg) translateY(0);opacity:1}

/* ========== 移动端汉堡按钮 ========== */
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none}
.nav-toggle-label{display:none;cursor:pointer;width:36px;height:36px;align-items:center;justify-content:center;border-radius:6px;color:var(--ink);transition:background .15s}
.nav-toggle-label:hover{background:var(--line-2)}
.nav-toggle-label::before{content:"";display:block;width:20px;height:2px;background:currentColor;box-shadow:0 -6px 0 0 currentColor,0 6px 0 0 currentColor;transition:transform .2s, box-shadow .2s}
.nav-toggle-input:checked ~ .nav-inner .nav-toggle-label::before{background:transparent;box-shadow:0 0 0 currentColor;transform:rotate(45deg)}
.nav-toggle-input:checked ~ .nav-inner .nav-toggle-label::after{content:"";position:absolute;width:20px;height:2px;background:currentColor;transform:rotate(-45deg)}
.nav-dropdown-menu{position:absolute;top:calc(100% + 14px);left:-16px;min-width:260px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 36px -10px rgba(0,0,0,.1);padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.15s;z-index:60;list-style:none}
.nav-dropdown:hover .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown-menu li a{display:block;padding:11px 14px;font-size:14.5px;color:var(--ink-2);border-radius:8px;transition:background .15s, color .15s;line-height:1.4}
.nav-dropdown-menu li a:hover{background:var(--accent-soft);color:var(--accent)}
.nav-dropdown-menu li a .dd-desc{display:block;font-size:12px;color:var(--ink-3);margin-top:3px;font-weight:400}
.nav-cta{padding:9px 18px;background:var(--ink);color:#fff;border-radius:6px;font-size:14px;font-weight:500;transition:.15s}
.nav-cta:hover{background:#222}

/* ========== 按钮 ========== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:8px;font-size:15px;font-weight:500;transition:.15s;border:1px solid transparent}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#222}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-2)}
.btn-lg{padding:16px 32px;font-size:16px}

/* ========== 通用排版 ========== */
.eyebrow{font-size:13px;letter-spacing:2px;color:var(--accent);text-transform:uppercase;font-weight:500}
h1,h2,h3,h4{color:var(--ink);font-weight:600;letter-spacing:-.3px}
.lede{font-size:19px;line-height:1.7;color:var(--ink-2);max-width:720px}

/* ========== 首页 Hero ========== */
.hero{padding:79px 0 66px;border-bottom:1px solid var(--line-2)}
.hero h1{font-size:60px;line-height:1.1;letter-spacing:-2px;font-weight:600;max-width:900px}
.hero h1 .em{color:var(--accent)}
.hero .lede{margin-top:28px}
.hero-actions{margin-top:40px;display:flex;gap:14px;flex-wrap:wrap}

/* ========== Slogan 区 ========== */

/* ========== 首页产品全宽大块(新版核心) ========== */

/* ========== 价值卡片(定制/降本/提效) ========== */
.values-section{padding:88px 0;border-bottom:1px solid var(--line-2)}
.values-section .head{text-align:center;max-width:720px;margin:0 auto 56px}
.values-section h2{font-size:34px;letter-spacing:-.5px;margin-top:14px}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}
.vcard{text-align:center}
.vcard-icon{width:72px;height:72px;border-radius:50%;background:var(--accent-soft);display:grid;place-items:center;margin:0 auto 22px}
.vcard-icon svg{width:30px;height:30px;color:var(--accent)}
.vcard h3{font-size:24px;letter-spacing:-.3px;margin-bottom:12px}
.vcard p{font-size:15px;color:var(--ink-3);line-height:1.8;max-width:320px;margin:0 auto}

/* ========== 产品三列卡片 ========== */
.products-cards-strip{padding:100px 0;border-bottom:1px solid var(--line-2);background:#fafafa}
.products-cards-strip .head{text-align:center;max-width:720px;margin:0 auto 64px}
.products-cards-strip h2{font-size:38px;letter-spacing:-.5px;margin-top:14px}
.products-cards-strip .lede{text-align:center;margin:18px auto 0}
.product-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard-new{background:#fff;border-radius:14px;padding:36px 32px;display:flex;flex-direction:column;transition:.2s;border:1px solid var(--line);text-decoration:none;color:inherit}
.pcard-new:hover{transform:translateY(-2px);box-shadow:0 10px 30px -14px rgba(0,0,0,.1);border-color:var(--ink-3)}
.pcard-new-icon{width:48px;height:48px;border-radius:8px;background:var(--accent-soft);display:grid;place-items:center;margin-bottom:24px}
.pcard-new-icon svg{width:24px;height:24px;color:var(--accent)}
.pcard-new h3{font-size:22px;letter-spacing:-.3px;margin-bottom:14px;line-height:1.3}
.pcard-new p{font-size:14.5px;color:var(--ink-2);line-height:1.75;flex:1;margin-bottom:24px}
.pcard-new-link{font-size:15px;font-weight:500;color:var(--accent);display:inline-flex;align-items:center;gap:6px;margin-top:auto}
.pcard-new-link::after{content:"→";transition:transform .15s}
.pcard-new:hover .pcard-new-link::after{transform:translateX(4px)}

/* 产品可视区(首页大块右侧) */

/* mock 卡片视觉(复用) */
.mock-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:0 4px 20px -10px rgba(0,0,0,.06)}
.mock-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line-2);font-size:13.5px}
.mock-row:last-child{border-bottom:none}
.mock-row .l{color:var(--ink-3)}
.mock-row .v{color:var(--ink);font-weight:500}
.mock-row .delta-up{color:var(--accent);font-size:12.5px;margin-left:6px}
.mock-row .delta-down{color:#d44;font-size:12.5px;margin-left:6px}
.mock-pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:6px;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* ========== 首页定制服务(数字化定制服务) ========== */
.custom-strip{padding:100px 0;border-bottom:1px solid var(--line-2);background:#fafafa}
.custom-strip h2{font-size:40px;letter-spacing:-.5px;text-align:center;margin:0 auto;line-height:1.2}
.custom-strip .custom-sub{font-size:16px;color:var(--ink-3);text-align:center;max-width:720px;margin:18px auto 0;line-height:1.7}
.custom-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.ccard-new{background:#fff;border-radius:12px;padding:32px 28px;border:1px solid var(--line);transition:.2s}
.ccard-new:hover{border-color:var(--ink-3);box-shadow:0 6px 24px -12px rgba(0,0,0,.06)}
.ccard-new h3{font-size:20px;letter-spacing:-.2px;margin-bottom:20px;font-weight:600;line-height:1.4}
.ccard-new ul{display:flex;flex-direction:column;gap:14px}
.ccard-new li{font-size:15px;color:var(--ink-2);line-height:1.5;padding-left:18px;position:relative}
.ccard-new li::before{content:"·";position:absolute;left:0;top:-2px;color:var(--accent);font-size:22px;line-height:1;font-weight:700}
.custom-cta{text-align:center;margin-top:48px}

/* ========== 首页联系区 ========== */
.contact-strip{padding:110px 0;text-align:center;border-bottom:none}
.contact-strip h2{font-size:46px;letter-spacing:-1px;max-width:740px;margin:18px auto 0;line-height:1.2}
.contact-strip p{font-size:17.5px;color:var(--ink-2);max-width:580px;margin:24px auto 0;line-height:1.7}
.contact-actions{margin-top:42px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.contact-meta{margin-top:64px;display:flex;gap:60px;justify-content:center;flex-wrap:wrap;font-size:14.5px;color:var(--ink-2)}
.contact-meta>div{min-width:160px;text-align:center}
.contact-meta .lbl{display:block;font-size:12px;color:var(--ink-3);letter-spacing:1.5px;margin-bottom:6px;text-transform:uppercase}
.contact-meta a:hover{color:var(--accent)}
.copy-btn{background:none;border:none;padding:0;color:inherit;font:inherit;cursor:pointer;transition:color .15s;font-size:14.5px;position:relative}
.copy-btn:hover{color:var(--accent)}
.copy-btn::after{content:"点击可复制";position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(4px);background:var(--ink);color:#fff;padding:5px 10px;border-radius:6px;font-size:12px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s,transform .15s;z-index:50}
.copy-btn:hover::after{opacity:1;transform:translateX(-50%) translateY(0)}
.copy-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,calc(-50% - 20px));background:var(--ink);color:#fff;padding:12px 22px;border-radius:8px;font-size:14px;font-weight:500;box-shadow:0 10px 30px -8px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:100;white-space:nowrap}
.copy-toast.show{opacity:1;transform:translate(-50%,-50%)}

/* ========== footer ========== */
footer{padding:40px 0;border-top:1px solid var(--line-2);color:var(--ink-3);font-size:13.5px;background:#fafafa}
.foot{}
.foot-main{padding:64px 0 48px;display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:32px;border-bottom:1px solid var(--line-2);max-width:980px;margin:0 auto}
.foot-brand{display:flex;flex-direction:column;align-items:flex-start}
.foot-brand .foot-logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;margin-bottom:18px}
.foot-brand .foot-tagline{font-size:14.5px;color:var(--ink-3);line-height:1.75;margin-bottom:24px;max-width:340px}
.foot-contact{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.foot-contact .fc-row{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-2)}
.foot-contact .fc-row .fc-lbl{font-size:11px;color:var(--ink-3);letter-spacing:1.5px;text-transform:uppercase;min-width:34px}
.foot-contact .fc-row .copy-btn{color:var(--ink)}
.foot-col h5,.foot-brand h5{font-size:13px;font-weight:600;letter-spacing:1.5px;color:var(--ink-3);text-transform:uppercase;margin-bottom:18px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:14.5px;color:var(--ink-2);transition:color .15s}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{padding:24px 0;display:flex;flex-direction:column;justify-content:center;align-items:center;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--ink-3);text-align:center}
.foot-bottom a{color:inherit}
.foot-bottom a:hover{color:var(--accent)}

/* =========================================== */
/* ============ 产品页通用样式 ================ */
/* =========================================== */

.phero{padding:64px 0 56px;border-bottom:1px solid var(--line-2);background:linear-gradient(180deg,#eff7f4 0%,#f7fbfa 60%,#fff 100%)}
.phero h1{font-size:40px;line-height:1.25;letter-spacing:-.6px;margin-top:0;max-width:820px}
.phero .lede{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:780px}

.pains{padding:88px 0;border-bottom:1px solid var(--line-2)}
.pains h2{font-size:34px;line-height:1.25;max-width:760px}
.pains .lede{margin-top:18px;margin-bottom:56px}
.pains-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.pain{padding:32px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;transition:.2s}
.pain:nth-child(2n){border-right:none}
.pain:nth-last-child(-n+2){border-bottom:none}
.pain:hover{background:#fafafa}
.pain-mark{width:36px;height:36px;border-radius:8px;background:#fff5f5;color:#d44;display:grid;place-items:center;font-size:16px;font-weight:600;margin-bottom:18px}
.pain h4{font-size:17.5px;line-height:1.4}
.pain p{font-size:14.5px;color:var(--ink-3);line-height:1.75;margin-top:8px}

.caps{padding:88px 0;border-bottom:1px solid var(--line-2)}
.caps h2{font-size:34px;line-height:1.25;max-width:780px}
.caps .lede{margin-top:18px;margin-bottom:64px}
.cap-row{display:grid;grid-template-columns:1fr 1.5fr;gap:60px;padding:48px 0;border-bottom:1px solid var(--line-2)}
.cap-row:first-of-type{padding-top:0}
.cap-row:last-of-type{border-bottom:none}
.cap-row.reverse{grid-template-columns:1.5fr 1fr;direction:rtl}
.cap-row.reverse > *{direction:ltr}
.cap-num{font-size:13px;color:var(--accent);font-weight:500;letter-spacing:1.5px;margin-bottom:14px}
.cap-row h3{font-size:26px;line-height:1.3;letter-spacing:-.3px}
.cap-row .cap-desc{font-size:15.5px;color:var(--ink-2);line-height:1.75;margin-top:16px}
.cap-row .cap-list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.cap-row .cap-list li{font-size:14.5px;color:var(--ink-2);padding-left:24px;position:relative;line-height:1.7}
.cap-row .cap-list li::before{content:"";position:absolute;left:0;top:11px;width:14px;height:2px;background:var(--accent)}
.cap-vis{border:1px solid var(--line);border-radius:14px;background:#fafafa;min-height:280px;padding:32px;display:flex;flex-direction:column;justify-content:flex-end}

.audience{padding:88px 0;border-bottom:1px solid var(--line-2);background:#fafafa}
.audience h2{font-size:34px;line-height:1.25;max-width:780px}
.audience .lede{margin-top:18px;margin-bottom:56px}
.audience-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.au{padding:32px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.au:nth-child(2n){border-right:none}
.au:nth-last-child(-n+2){border-bottom:none}
.au h4{font-size:18px}
.au .au-need{font-size:14px;color:var(--ink-2);margin-top:10px;line-height:1.7}
.au .au-need::before{content:"想";display:inline-block;width:18px;height:18px;border-radius:4px;background:var(--accent-soft);color:var(--accent);font-size:12px;text-align:center;line-height:18px;margin-right:8px;font-weight:600}
.au .au-value{font-size:14.5px;color:var(--ink-3);margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);line-height:1.75}
.au .au-value::before{content:"得";display:inline-block;width:18px;height:18px;border-radius:4px;background:#f0f0f0;color:var(--ink-2);font-size:12px;text-align:center;line-height:18px;margin-right:8px;font-weight:600}

.flow-strip{padding:88px 0;border-bottom:1px solid var(--line-2)}
.flow-strip h2{font-size:32px;line-height:1.25;max-width:680px}
.flow-strip .lede{margin-top:18px;margin-bottom:56px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.fstep{padding:32px 26px;background:#fff;border-right:1px solid var(--line);position:relative}
.fstep:last-child{border-right:none}
.fstep-num{font-size:13px;color:var(--accent);font-weight:500;letter-spacing:1px}
.fstep h4{font-size:16.5px;margin-top:10px}
.fstep p{font-size:14px;color:var(--ink-3);line-height:1.7;margin-top:8px}

.pcta{padding:100px 0;text-align:center;background:linear-gradient(180deg,#fff 0%,#fafafa 100%)}
.pcta h2{font-size:42px;letter-spacing:-.8px;max-width:680px;margin:0 auto;line-height:1.2}
.pcta p{font-size:17px;color:var(--ink-2);max-width:560px;margin:24px auto 0;line-height:1.7}
.pcta-actions{margin-top:40px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ========== 响应式 ========== */
@media (max-width: 900px){
  .hero h1{font-size:36px;letter-spacing:-1px}
  .phero h1{font-size:36px;letter-spacing:-1px}
  .custom-grid{grid-template-columns:1fr}
  /* 之前漏掉:3 个 3 列 grid 在 H5 下还是 3 列,造成卡片挤成窄条 */
  .values-grid{grid-template-columns:1fr;gap:36px}
  .product-cards-grid{grid-template-columns:1fr;gap:18px}
  .foot-cols{grid-template-columns:1fr 1fr;gap:24px}
  .pains-grid,.audience-grid{grid-template-columns:1fr}
  .pain,.au{border-right:none}
  .cap-row,.cap-row.reverse{grid-template-columns:1fr;gap:32px;direction:ltr}
  .flow{grid-template-columns:1fr}
  .fstep{border-right:none;border-bottom:1px solid var(--line)}
  .fstep:nth-last-child(-n+2){border-bottom:none}
  .nav-toggle-label{display:flex}
  .nav-links{position:fixed;top:68px;left:0;right:0;background:#fff;border-top:1px solid var(--line);flex-direction:column;align-items:stretch;padding:24px 32px;gap:18px;display:none;box-shadow:0 8px 24px -8px rgba(0,0,0,.1);max-height:calc(100vh - 68px);overflow-y:auto}
  .nav-toggle-input:checked ~ .nav-inner .nav-links{display:flex}
  .nav-dropdown{height:auto;display:flex;flex-direction:column;align-items:flex-start;width:100%}
  .nav-dropdown > a{height:auto;padding:6px 0}
  .nav-dropdown > a::after{display:none}
  .nav-dropdown-menu{position:static;box-shadow:none;border:none;padding:4px 0 4px 16px;opacity:1;visibility:visible;transform:none;background:transparent;min-width:0;width:100%}
  .nav-dropdown-menu li a{padding:8px 14px;font-size:14px}
  .nav-cta{width:100%;text-align:center;margin-top:8px;margin-left:0;display:block}
  .contact-strip h2,.pcta h2{font-size:30px}
  /* 标题和段落也压一压,跟 PC 比例脱钩 */
  .values-section h2,.products-cards-strip h2,.pains h2,.caps h2,.audience h2,.flow-strip h2{font-size:26px;letter-spacing:-.3px}
  .custom-strip h2{font-size:28px}
  .values-section,.pains,.caps,.audience,.flow-strip,.custom-strip,.products-cards-strip{padding:64px 0}
  .lede{font-size:16.5px}
  .wrap{padding:0 22px}
}

/* ========== H5 窄屏(<= 600px)细调 ========== */
@media (max-width: 600px){
  .wrap{padding:0 18px}
  .hero{padding:56px 0 48px}
  .phero{padding:48px 0 40px}
  .hero h1,.phero h1{font-size:26px;letter-spacing:-.5px;line-height:1.25}
  .hero .lede,.phero .lede{font-size:15.5px;margin-top:18px}
  .values-section,.pains,.caps,.audience,.flow-strip,.custom-strip,.products-cards-strip{padding:48px 0}
  .values-section h2,.products-cards-strip h2,.pains h2,.caps h2,.audience h2,.flow-strip h2{font-size:22px;letter-spacing:-.3px}
  .custom-strip h2{font-size:24px;line-height:1.3}
  .custom-strip .custom-sub{font-size:15px;margin-top:14px}
  .contact-strip h2,.pcta h2{font-size:24px;line-height:1.3;letter-spacing:-.5px}
  .contact-strip p,.pcta p{font-size:15.5px;margin-top:18px}
  .pcard-new{padding:24px 20px}
  .pcard-new h3{font-size:19px}
  .ccard-new{padding:22px 18px}
  .ccard-new h3{font-size:18px}
  .pain,.au{padding:22px 18px}
  .pain h4,.au h4{font-size:16.5px}
  .cap-row{padding:32px 0;gap:28px}
  .cap-row h3{font-size:20px;line-height:1.35}
  .cap-vis{padding:22px 18px;min-height:200px}
  .fstep{padding:24px 20px}
  .fstep h4{font-size:15.5px}
  /* values 卡片在 H5 横排变竖排,文字宽度要够(不再是 3 列时那种窄条) */
  .vcard p{font-size:14.5px;max-width:340px}
  .vcard-icon{width:60px;height:60px;margin-bottom:18px}
  /* contact-meta 在窄屏上下排 */
  .contact-meta{gap:22px;flex-direction:column;align-items:center}
  .contact-meta>div{min-width:0}
  /* footer 在 H5 全 1 列 */
  .foot-main{grid-template-columns:1fr;gap:36px;padding:40px 0 28px}
  .foot-cols{grid-template-columns:1fr;gap:24px}
  .foot-bottom{font-size:12px;gap:8px;padding:18px 0}
  .foot-brand .foot-tagline{max-width:100%}
  /* 移动端无 hover,隐藏 copy-btn tooltip */
  .copy-btn::after{display:none}
  /* 按钮在窄屏紧凑 */
  .btn{padding:12px 20px;font-size:14.5px}
  .btn-lg{padding:14px 24px;font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1;justify-content:center;min-width:0}
}

/* ========== 平板(iPad 768-1024) — 之前完全漏了 ========== */
/* 跟 900 断点并存:901-1024 区间旧 900 不生效,新 1024 接管 → 平板 */
@media (max-width: 1024px){
  /* 3 列 grid 变 2 列(留 1 个孤儿居中,平衡视觉) */
  .values-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .product-cards-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .custom-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  /* 第 3 张卡片居中占位,避免 2+1 失衡 */
  .values-grid > .vcard:nth-child(3),
  .product-cards-grid > .pcard-new:nth-child(3),
  .custom-grid > .ccard-new:nth-child(3){
    grid-column:1 / -1;max-width:calc(50% - 10px);margin-left:auto;margin-right:auto
  }
  /* footer 3 列保持(平板够宽),只缩 gap */
  .foot-cols{grid-template-columns:repeat(3,1fr);gap:20px}
  .foot-main{gap:32px;padding:56px 0 40px}
  /* cap-row 1fr 1.5fr 略缩比例 */
  .cap-row{gap:40px}
  .cap-row.reverse{gap:40px}
  /* 标题字号:PC / 平板 / 手机 三档 */
  .hero h1{font-size:46px;letter-spacing:-1.2px}
  .phero h1{font-size:34px;letter-spacing:-.6px}
  .values-section h2,.products-cards-strip h2,.pains h2,.caps h2,.audience h2,.flow-strip h2{font-size:30px}
  .custom-strip h2{font-size:34px}
  .contact-strip h2{font-size:38px}
  .pcta h2{font-size:36px}
  /* section padding 缩 */
  .values-section,.pains,.caps,.audience,.flow-strip,.custom-strip,.products-cards-strip{padding:72px 0}
  .hero{padding:68px 0 60px}
  .phero{padding:56px 0 48px}
  .contact-strip{padding:90px 0}
  .pcta{padding:84px 0}
  /* lede 略缩 */
  .lede{font-size:17px}
  /* wrap 平板左右 32px(避免贴边) */
  .wrap{padding:0 32px}
  /* nav 仍然横排(因为 >= 768),但字号和 gap 略缩 */
  .nav-links{gap:24px;font-size:14px}
  .nav-inner{height:64px}
  .nav-cta{font-size:13.5px;padding:8px 14px;margin-left:0}
  /* contact-meta 间距缩 */
  .contact-meta{gap:36px}
  .contact-meta > div{min-width:140px}
  /* foot-bottom 缩 */
  .foot-bottom{padding:20px 0}
  /* mock-card 等不动 */
}

/* ========== 手机(< 768) — 跟平板隔开,独立 1 列 + 抽屉 ========== */
@media (max-width: 768px){
  /* nav 抽屉 + 汉堡 */
  .nav-toggle-label{display:flex}
  .nav-inner{height:56px}
  .nav-links{
    position:fixed;top:56px;left:0;right:0;background:#fff;
    border-top:1px solid var(--line);flex-direction:column;align-items:stretch;
    padding:18px 22px;gap:14px;display:none;
    box-shadow:0 8px 24px -8px rgba(0,0,0,.1);
    max-height:calc(100vh - 56px);overflow-y:auto
  }
  .nav-toggle-input:checked ~ .nav-inner .nav-links{display:flex}
  .nav-dropdown{height:auto;display:flex;flex-direction:column;align-items:flex-start;width:100%}
  .nav-dropdown > a{height:auto;padding:6px 0}
  .nav-dropdown > a::after{display:none}
  .nav-dropdown-menu{position:static;box-shadow:none;border:none;padding:4px 0 4px 16px;opacity:1;visibility:visible;transform:none;background:transparent;min-width:0;width:100%}
  .nav-dropdown-menu li a{padding:8px 14px;font-size:14px}
  .nav-cta{width:100%;text-align:center;margin-top:8px;margin-left:0;display:block}
  /* 1 列 grid(覆盖平板的 2 列) */
  .values-grid{grid-template-columns:1fr;gap:32px}
  .product-cards-grid{grid-template-columns:1fr;gap:16px}
  .custom-grid{grid-template-columns:1fr;gap:16px}
  .values-grid > .vcard:nth-child(3),
  .product-cards-grid > .pcard-new:nth-child(3),
  .custom-grid > .ccard-new:nth-child(3){grid-column:auto;max-width:none;margin:0}
  .pains-grid,.audience-grid{grid-template-columns:1fr}
  .pain,.au{border-right:none}
  .cap-row,.cap-row.reverse{grid-template-columns:1fr;gap:32px;direction:ltr}
  .flow{grid-template-columns:1fr}
  .fstep{border-right:none;border-bottom:1px solid var(--line)}
  .fstep:nth-last-child(-n+2){border-bottom:none}
  /* 标题字号进一步缩(手机专属) */
  .hero h1,.phero h1{font-size:26px;letter-spacing:-.5px;line-height:1.25}
  .hero .lede,.phero .lede{font-size:15.5px;margin-top:18px}
  .values-section h2,.products-cards-strip h2,.pains h2,.caps h2,.audience h2,.flow-strip h2{font-size:22px;letter-spacing:-.3px}
  .custom-strip h2{font-size:24px;line-height:1.3}
  .custom-strip .custom-sub{font-size:15px;margin-top:14px}
  .contact-strip h2,.pcta h2{font-size:24px;line-height:1.3;letter-spacing:-.5px}
  .contact-strip p,.pcta p{font-size:15.5px;margin-top:18px}
  /* section padding 缩 */
  .values-section,.pains,.caps,.audience,.flow-strip,.custom-strip,.products-cards-strip{padding:48px 0}
  .hero{padding:56px 0 48px}
  .phero{padding:48px 0 40px}
  .contact-strip{padding:64px 0}
  .pcta{padding:64px 0}
  /* 卡片 padding 缩 */
  .pcard-new{padding:24px 20px}
  .pcard-new h3{font-size:19px}
  .ccard-new{padding:22px 18px}
  .ccard-new h3{font-size:18px}
  .pain,.au{padding:22px 18px}
  .pain h4,.au h4{font-size:16.5px}
  .cap-row{padding:32px 0;gap:28px}
  .cap-row h3{font-size:20px;line-height:1.35}
  .cap-vis{padding:22px 18px;min-height:200px}
  .fstep{padding:24px 20px}
  .fstep h4{font-size:15.5px}
  .vcard p{font-size:14.5px;max-width:340px}
  .vcard-icon{width:60px;height:60px;margin-bottom:18px}
  /* contact-meta 上下排 */
  .contact-meta{gap:22px;flex-direction:column;align-items:center}
  .contact-meta > div{min-width:0}
  /* footer 1 列 */
  .foot-main{grid-template-columns:1fr;gap:36px;padding:40px 0 28px}
  .foot-cols{grid-template-columns:1fr;gap:24px}
  .foot-bottom{font-size:12px;gap:8px;padding:18px 0}
  .foot-brand .foot-tagline{max-width:100%}
  /* 移动端无 hover,隐藏 copy-btn tooltip */
  .copy-btn::after{display:none}
  /* 按钮紧凑 */
  .btn{padding:12px 20px;font-size:14.5px}
  .btn-lg{padding:14px 24px;font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1;justify-content:center;min-width:0}
  /* wrap padding */
  .wrap{padding:0 18px}
}