/* ============================================================
   呆头电子商务工作室服务网 · 新中式潮玩风格
   ============================================================ */
:root {
    --paper: #f6f0e3;
    --paper-2: #efe6d2;
    --ink: #1c1a17;
    --ink-soft: #5c554a;
    --red: #e8402a;
    --red-deep: #c92f1c;
    --mustard: #f2b33d;
    --green: #2f9e6e;
    --cream: #fffaf0;
    --line: rgba(28, 26, 23, .14);
    --shadow-hard: 6px 6px 0 rgba(28, 26, 23, .9);
    --shadow-hard-sm: 4px 4px 0 rgba(28, 26, 23, .85);
    --radius: 18px;
    --font-display: "ZCOOL KuaiLe", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
    --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }
img { max-width: 100%; }
::selection { background: var(--red); color: #fff; }

/* 纸张噪点纹理 */
body::before {
    content: "";
    position: fixed; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.05'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 999;
    opacity: .5;
}

/* ---------- Reveal 动画 ---------- */
.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- 顶部导航 ---------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(246, 240, 227, .88);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 2px solid var(--ink);
    transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 4px 0 rgba(28,26,23,.12); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 900; }
.brand-logo {
    width: 40px; height: 40px; border-radius: 12px;
    background: var(--red); color: #fff; display: grid; place-items: center;
    font-family: var(--font-display); font-size: 22px;
    border: 2px solid var(--ink); box-shadow: 3px 3px 0 var(--ink);
    transform: rotate(-4deg); transition: transform .2s;
}
.brand:hover .brand-logo { transform: rotate(0deg) scale(1.05); }
.brand-name { font-family: var(--font-display); font-size: 18px; letter-spacing: 1px; }
.nav-links { display: flex; gap: 26px; }
.nav-links a {
    color: var(--ink-soft); font-weight: 700; font-size: 15px; position: relative;
    padding: 4px 2px; transition: color .2s;
}
.nav-links a::after {
    content: ""; position: absolute; left: 0; bottom: -2px; height: 3px; width: 0;
    background: var(--red); transition: width .25s; border-radius: 2px;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta {
    font-weight: 900; font-size: 14px; color: #fff; background: var(--ink);
    border: 2px solid var(--ink); border-radius: 999px; padding: 9px 20px;
    box-shadow: 3px 3px 0 var(--red); transition: transform .15s, box-shadow .15s;
}
.nav-cta:hover { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--red); }
.nav-toggle {
    display: none; background: none; border: 0; cursor: pointer;
    width: 40px; height: 40px; padding: 0; position: relative;
}
.nav-toggle span {
    display: block; width: 24px; height: 3px; background: var(--ink);
    margin: 5px auto; border-radius: 2px; transition: transform .3s, opacity .3s;
}

/* ---------- 首屏 ---------- */
.hero {
    position: relative; overflow: hidden;
    padding: 84px 0 0;
    background:
        radial-gradient(circle at 85% 12%, rgba(242, 179, 61, .35), transparent 42%),
        radial-gradient(circle at 8% 85%, rgba(232, 64, 42, .14), transparent 40%),
        var(--paper);
    border-bottom: 2px solid var(--ink);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-dai {
    position: absolute; font-family: var(--font-display); color: rgba(28, 26, 23, .05);
    line-height: 1; user-select: none;
}
.dai-1 { font-size: 320px; right: -30px; top: 20px; transform: rotate(12deg); }
.dai-2 { font-size: 150px; left: 4%; bottom: 60px; transform: rotate(-14deg); }
.dai-3 { font-size: 90px; left: 46%; top: -20px; transform: rotate(8deg); }
.hero-inner {
    position: relative; z-index: 1;
    display: grid; grid-template-columns: 1.25fr .85fr; gap: 56px; align-items: center;
    padding-bottom: 84px;
}
.hero-tag {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 7px 16px; border-radius: 999px;
    background: var(--cream); border: 2px solid var(--ink);
    font-size: 13px; font-weight: 700; letter-spacing: 2px; margin: 0 0 22px;
    box-shadow: 3px 3px 0 rgba(28,26,23,.9);
}
.hero-tag .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(47,158,110,.25); }
.hero-title { margin: 0 0 22px; font-family: var(--font-display); font-weight: 400; }
.hero-title .line { display: block; font-size: clamp(38px, 5.2vw, 62px); line-height: 1.18; letter-spacing: 2px; }
.hero-title .line-hl {
    position: relative; display: inline-block; color: var(--red);
    margin-top: 6px; isolation: isolate;
}
.hero-title .line-hl::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 12px;
    background: rgba(242, 179, 61, .55); z-index: -1; transform: rotate(-1deg);
}
.hero-sub { color: var(--ink-soft); max-width: 520px; margin: 0 0 30px; font-size: 17px; font-family: var(--font-serif); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 0; margin-top: 44px; border-top: 2px solid var(--ink); }
.stat { padding: 18px 28px 0 0; margin-right: 28px; position: relative; }
.stat + .stat { padding-left: 28px; border-left: 2px dashed var(--line); }
.stat strong {
    display: block; font-family: var(--font-display); font-weight: 400;
    font-size: 40px; line-height: 1; color: var(--ink);
}
.stat span { color: var(--ink-soft); font-size: 14px; font-weight: 700; }

/* 预约卡（票据样式） */
.hero-card-wrap { position: relative; }
.hero-card {
    position: relative; background: var(--cream);
    border: 2px solid var(--ink); border-radius: 20px;
    padding: 0 30px 28px; box-shadow: 8px 8px 0 var(--ink);
    transform: rotate(1.2deg); transition: transform .3s;
}
.hero-card:hover { transform: rotate(0deg) translateY(-4px); }
.hero-card-top {
    display: flex; align-items: center; justify-content: center; position: relative;
    padding: 18px 0; margin: 0 -30px 6px;
    border-bottom: 2px dashed var(--line);
}
.hero-card-top h3 { margin: 0; font-family: var(--font-display); font-size: 22px; letter-spacing: 3px; }
.ticket-hole {
    position: absolute; top: 50%; width: 26px; height: 26px; border-radius: 50%;
    background: var(--paper); border: 2px solid var(--ink); transform: translateY(-50%);
}
.ticket-hole.left { left: -14px; }
.ticket-hole.right { right: -14px; }
.hero-card-list { list-style: none; padding: 0; margin: 10px 0 22px; }
.hero-card-list li {
    display: flex; justify-content: space-between; align-items: center;
    padding: 11px 0; border-bottom: 1px dashed var(--line);
    font-weight: 700; font-size: 15px;
}
.hero-card-list b {
    color: var(--green); font-size: 18px;
    width: 24px; height: 24px; border: 2px solid var(--green); border-radius: 50%;
    display: grid; place-items: center; font-size: 13px;
}
.hero-card-foot { text-align: center; font-size: 12px; color: var(--ink-soft); margin: 12px 0 0; letter-spacing: 1px; }
.sticker {
    position: absolute; right: -18px; top: -26px;
    background: var(--mustard); color: var(--ink);
    border: 2px solid var(--ink); border-radius: 50%;
    width: 96px; height: 96px; display: grid; place-items: center;
    font-family: var(--font-display); font-size: 17px; line-height: 1.2; text-align: center;
    box-shadow: 4px 4px 0 var(--ink); transform: rotate(10deg);
    animation: sticker-bob 3.2s ease-in-out infinite;
}
.sticker-red { background: var(--red); color: #fff; }
@keyframes sticker-bob {
    0%, 100% { transform: rotate(10deg) translateY(0); }
    50% { transform: rotate(6deg) translateY(-6px); }
}

/* 跑马灯 */
.marquee {
    position: relative; z-index: 2;
    background: var(--red); color: #fff;
    border-top: 2px solid var(--ink);
    overflow: hidden; padding: 12px 0;
}
.marquee-track { display: flex; white-space: nowrap; width: max-content; animation: marquee 22s linear infinite; }
.marquee-track span {
    font-family: var(--font-display); font-size: 18px; letter-spacing: 3px;
    padding: 0 12px;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 26px; border-radius: 12px; font-weight: 900; cursor: pointer;
    border: 2px solid var(--ink); font-size: 15px; font-family: var(--font-sans);
    transition: transform .15s, box-shadow .15s, background .2s;
}
.btn-arrow { font-size: 18px; transition: transform .2s; }
.btn:hover .btn-arrow { transform: translateX(4px); }
.btn-primary { background: var(--red); color: #fff; box-shadow: 5px 5px 0 var(--ink); }
.btn-primary:hover { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--ink); }
.btn-ghost { background: var(--cream); color: var(--ink); box-shadow: 5px 5px 0 var(--ink); }
.btn-ghost:hover { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--ink); }
.btn-dark { background: var(--ink); color: #fff; box-shadow: 5px 5px 0 var(--red); }
.btn-dark:hover { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--red); }
.full { width: 100%; }

/* ---------- 区块通用 ---------- */
.section { padding: 96px 0; }
.section-ink { background: var(--ink); color: var(--paper); border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); position: relative; }
.section-ink::before {
    content: ""; position: absolute; inset: 0; opacity: .06; pointer-events: none;
    background-image: radial-gradient(var(--paper) 1px, transparent 1px);
    background-size: 22px 22px;
}
.section-paper { background: var(--paper-2); border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.section-head { margin-bottom: 54px; }
.section-head.split { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.eyebrow {
    display: inline-block; letter-spacing: 3px; color: var(--red); font-weight: 900;
    font-size: 13px; margin: 0 0 12px; padding: 5px 14px;
    border: 2px solid var(--red); border-radius: 999px; background: var(--cream);
}
.eyebrow-light { color: var(--mustard); border-color: var(--mustard); background: transparent; }
.section-head h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(30px, 4vw, 46px); margin: 0; letter-spacing: 2px; }
.section-ink .section-head h2 { color: var(--paper); }
.section-sub { color: var(--ink-soft); margin: 0; font-family: var(--font-serif); max-width: 380px; }
.section-ink .section-sub { color: rgba(246, 240, 227, .6); }

/* ---------- 网格 ---------- */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 服务卡片 ---------- */
.card {
    position: relative; background: var(--cream);
    border: 2px solid var(--ink); border-radius: var(--radius);
    padding: 30px; box-shadow: 6px 6px 0 rgba(28, 26, 23, .9);
    transition: transform .25s, box-shadow .25s;
    overflow: hidden;
}
.card::before {
    content: ""; position: absolute; inset: 0 0 auto 0; height: 8px;
    background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.card:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--ink); }
.card:hover::before { transform: scaleX(1); }
.card-num {
    position: absolute; top: 16px; right: 20px;
    font-family: var(--font-display); font-size: 44px; line-height: 1;
    color: transparent; -webkit-text-stroke: 2px rgba(28, 26, 23, .18);
    transition: color .3s, -webkit-text-stroke-color .3s;
}
.card:hover .card-num { color: rgba(232, 64, 42, .15); -webkit-text-stroke-color: transparent; }
.card-icon {
    width: 58px; height: 58px; border-radius: 14px; display: grid; place-items: center;
    font-size: 28px; background: var(--paper-2); border: 2px solid var(--ink);
    margin-bottom: 18px; box-shadow: 3px 3px 0 var(--ink);
}
.card h3 { margin: 0 0 10px; font-size: 20px; font-weight: 900; }
.card p { color: var(--ink-soft); margin: 0 0 16px; font-size: 15px; font-family: var(--font-serif); }
.card-tag {
    display: inline-block; font-size: 12px; font-weight: 700; color: var(--red);
    border: 1.5px solid var(--red); border-radius: 999px; padding: 3px 11px;
}

/* ---------- 优势 ---------- */
.adv {
    position: relative; background: rgba(246, 240, 227, .05);
    border: 2px solid rgba(246, 240, 227, .25); border-radius: var(--radius);
    padding: 28px; transition: transform .25s, border-color .25s, background .25s;
}
.adv:hover { transform: translateY(-6px); border-color: var(--mustard); background: rgba(246, 240, 227, .09); }
.adv-num { font-family: var(--font-display); font-size: 42px; line-height: 1; color: var(--mustard); }
.adv h3 { margin: 14px 0 8px; font-size: 19px; color: var(--paper); font-weight: 900; }
.adv p { color: rgba(246, 240, 227, .62); margin: 0; font-size: 14px; font-family: var(--font-serif); }

/* ---------- 案例 ---------- */
.case {
    background: var(--cream); border: 2px solid var(--ink); border-radius: var(--radius);
    overflow: hidden; box-shadow: 6px 6px 0 rgba(28, 26, 23, .9);
    transition: transform .25s, box-shadow .25s;
}
.case:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--ink); }
.case-cover {
    height: 170px; position: relative; overflow: hidden;
    display: flex; align-items: flex-end; justify-content: space-between;
    padding: 18px; color: #fff; border-bottom: 2px solid var(--ink);
}
.case-cover::after {
    content: ""; position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,.28) 1.5px, transparent 1.5px);
    background-size: 16px 16px; opacity: .35; pointer-events: none;
}
.case-cat {
    position: relative; z-index: 1; font-weight: 900; letter-spacing: 4px; font-size: 15px;
    background: rgba(28, 26, 23, .35); padding: 4px 12px; border-radius: 999px;
    border: 1.5px solid rgba(255,255,255,.5);
}
.case-big {
    position: relative; z-index: 1; font-family: var(--font-display);
    font-size: 30px; line-height: 1.15; text-align: right; letter-spacing: 1px;
    text-shadow: 3px 3px 0 rgba(28,26,23,.4);
}
.case-cover.c1 { background: linear-gradient(135deg, #e8402a, #f27a3d); }
.case-cover.c2 { background: linear-gradient(135deg, #c92f1c, #f2b33d); }
.case-cover.c3 { background: linear-gradient(135deg, #2f9e6e, #4fd1a1); }
.case-body { padding: 22px 24px 26px; }
.case-body h3 { margin: 0 0 8px; font-size: 18px; font-weight: 900; }
.case-body p { color: var(--ink-soft); margin: 0 0 16px; font-size: 14px; font-family: var(--font-serif); }
.case-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.case-meta span {
    font-size: 12px; font-weight: 700; color: var(--ink);
    background: var(--paper-2); border: 1.5px solid var(--ink); border-radius: 999px; padding: 3px 10px;
}

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1.35fr .85fr; gap: 60px; align-items: center; }
.about-text h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(28px, 3.4vw, 42px); margin: 8px 0 20px; letter-spacing: 2px; }
.about-text p { color: var(--ink-soft); font-family: var(--font-serif); }
.about-list { list-style: none; padding: 0; margin: 24px 0 30px; }
.about-list li {
    padding: 13px 0; border-bottom: 2px dashed var(--line);
    color: var(--ink-soft); font-size: 15px; font-family: var(--font-serif);
}
.about-list b { color: var(--ink); margin-right: 12px; font-weight: 900; }
.about-side {
    position: relative; background: var(--ink); color: var(--paper);
    border: 2px solid var(--ink); border-radius: 24px; padding: 46px 36px; text-align: center;
    box-shadow: 8px 8px 0 var(--red); transform: rotate(1.5deg); overflow: hidden;
}
.about-big-dai {
    position: absolute; right: -14px; top: -30px; font-family: var(--font-display);
    font-size: 150px; color: rgba(246, 240, 227, .07); line-height: 1;
}
.about-quote { position: relative; font-family: var(--font-display); font-size: 27px; line-height: 1.5; letter-spacing: 2px; }
.about-badge {
    position: relative; margin-top: 24px; display: inline-block; padding: 8px 18px; border-radius: 999px;
    background: var(--mustard); color: var(--ink); font-weight: 900; font-size: 14px;
    border: 2px solid var(--ink); box-shadow: 3px 3px 0 rgba(0,0,0,.4);
}

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info { position: relative; }
.contact-info h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(30px, 3.6vw, 44px); margin: 8px 0 16px; line-height: 1.25; letter-spacing: 2px; }
.contact-list { list-style: none; padding: 0; margin: 26px 0 0; }
.contact-list li {
    padding: 15px 0; border-bottom: 2px dashed var(--line);
    color: var(--ink-soft); font-size: 16px; font-family: var(--font-serif);
}
.contact-list span { display: inline-block; width: 96px; color: var(--ink); font-weight: 900; font-family: var(--font-sans); }
.contact-list a { color: var(--red); font-weight: 700; border-bottom: 2px solid var(--red); }
.contact-list a:hover { background: var(--mustard); color: var(--ink); border-color: var(--ink); }
.contact-stamp {
    position: absolute; right: 0; bottom: 0; width: 84px; height: 84px;
    border: 3px solid var(--red); border-radius: 50%;
    display: grid; place-items: center; font-family: var(--font-display);
    font-size: 40px; color: var(--red); opacity: .5; transform: rotate(-14deg);
}
.contact-form {
    background: var(--cream); border: 2px solid var(--ink); border-radius: 20px;
    padding: 34px; box-shadow: 8px 8px 0 var(--ink);
}
.form-head { margin-bottom: 24px; padding-bottom: 18px; border-bottom: 2px dashed var(--line); }
.form-head h3 { margin: 0 0 4px; font-family: var(--font-display); font-size: 24px; letter-spacing: 2px; }
.form-head p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 900; margin-bottom: 7px; }
.field input, .field textarea {
    width: 100%; padding: 13px 15px; border: 2px solid var(--ink); border-radius: 11px;
    font-size: 15px; font-family: inherit; resize: vertical; background: #fff;
    transition: box-shadow .2s, transform .2s;
}
.field input:focus, .field textarea:focus {
    outline: none; box-shadow: 4px 4px 0 var(--mustard); transform: translate(-1px, -1px);
}
.form-tip { color: var(--ink-soft); font-size: 13px; margin: 14px 0 0; text-align: center; }
.form-tip.ok { color: var(--green); font-weight: 900; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: rgba(246, 240, 227, .7); padding: 52px 0 30px; border-top: 2px solid var(--ink); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-brand { display: flex; align-items: center; gap: 11px; font-weight: 900; color: var(--paper); font-family: var(--font-display); font-size: 17px; letter-spacing: 1px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: rgba(246, 240, 227, .6); font-size: 14px; font-weight: 700; transition: color .2s; }
.footer-links a:hover { color: var(--mustard); }
.footer-bottom { margin-top: 30px; padding-top: 20px; border-top: 1px solid rgba(246, 240, 227, .15); font-size: 13px; color: rgba(246, 240, 227, .45); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-bottom a { color: rgba(246, 240, 227, .45); text-decoration: underline; }
.footer-bottom a:hover { color: var(--mustard); }

/* ---------- 返回顶部 ---------- */
.to-top {
    position: fixed; right: 22px; bottom: 22px; width: 48px; height: 48px; border-radius: 14px;
    border: 2px solid var(--ink); background: var(--mustard); color: var(--ink);
    font-size: 22px; font-weight: 900; cursor: pointer; z-index: 60;
    box-shadow: 4px 4px 0 var(--ink); opacity: 0; visibility: hidden; transform: translateY(12px);
    transition: opacity .3s, transform .3s, visibility .3s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { transform: translateY(-3px); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
    .hero-inner, .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .hero { padding-top: 56px; }
    .hero-inner { padding-bottom: 60px; }
    .contact-stamp { display: none; }
    .nav-links {
        position: absolute; top: 68px; left: 4%; right: 4%;
        background: var(--cream); flex-direction: column; gap: 0; padding: 10px 0;
        border: 2px solid var(--ink); border-radius: 14px; box-shadow: 6px 6px 0 var(--ink);
        display: none;
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 14px 20px; color: var(--ink); font-size: 15px; border-bottom: 1px solid var(--line); }
    .nav-links a:last-child { border-bottom: 0; }
    .nav-links a::after { display: none; }
    .nav-cta { display: none; }
    .nav-toggle { display: block; }
}
@media (max-width: 560px) {
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .stat { margin-right: 16px; padding-right: 16px; }
    .stat + .stat { padding-left: 16px; }
    .stat strong { font-size: 32px; }
    .brand-name { font-size: 15px; }
    .section { padding: 68px 0; }
    .sticker { width: 80px; height: 80px; font-size: 15px; right: -8px; top: -20px; }
    .hero-title .line { font-size: 34px; }
    .about-side { padding: 36px 24px; }
    .contact-form { padding: 26px 20px; }
}