:root {
  --blue: #007bff;
  --blue-dark: #0056b3;
  --navy: #004494;
  --ink: #263b50;
  --muted: #66768a;
  --pale: #f6f8fb;
  --line: #e5ebf2;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(25, 71, 116, .075);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; padding-bottom: 82px; color: var(--ink); background: #fff; font-family: "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.75; }
h1,h2,h3,h4,p,figure { margin: 0; }
a { color: inherit; text-decoration: none; }
button,input,select,textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
button,a,summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible,button:focus-visible,summary:focus-visible { outline: 3px solid #ffcb46; outline-offset: 5px; }
input:focus-visible,select:focus-visible,textarea:focus-visible { outline: 3px solid #b8d9ff; outline-offset: 1px; border-color: var(--blue); }
[hidden] { display: none !important; }
.container { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 24px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 200; padding: 10px 18px; background: #fff; color: var(--navy); border-radius: 6px; transform: translateY(-170%); }
.skip-link:focus { transform: none; }

/* White navigation and the full-width blue opening. */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .98); box-shadow: 0 2px 12px rgba(24, 57, 91, .05); }
.header-row { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; color: var(--blue-dark); font-size: 23px; font-weight: 800; line-height: 1.35; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 36px; }
.brand-mark svg { display: block; width: 32px; height: 32px; }
.desktop-nav { display: flex; align-items: center; justify-content: flex-end; gap: 7px; }
.desktop-nav a { padding: 10px 10px; border-radius: 6px; color: #51657b; font-size: 13px; white-space: nowrap; transition: color .2s, background .2s; }
.desktop-nav a:hover,.desktop-nav a.active { background: #e9f3ff; color: var(--blue); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 10px; color: var(--blue-dark); }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 6px 0; background: currentColor; transition: transform .2s, opacity .2s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.mobile-nav { padding: 8px 24px 18px; background: #fff; border-top: 1px solid var(--line); max-height: calc(100svh - 80px); overflow-y: auto; }
.mobile-nav a { display: block; padding: 11px 8px; color: #41586f; border-bottom: 1px solid #edf1f6; font-size: 15px; }
.mobile-nav a:hover { color: var(--blue); }
.hero { position: relative; display: flex; align-items: center; min-height: calc(100svh - 70px); overflow: hidden; background: linear-gradient(135deg, #004494 0%, #007bff 50%, #00a8cc 100%); color: #fff; padding: 100px 0 110px; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse at 12% 73%, rgba(255,255,255,.06), transparent 55%), linear-gradient(135deg, transparent 38%, rgba(255,255,255,.025) 38%, rgba(255,255,255,.025) 54%, transparent 54%); }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: center; gap: 52px; }
.hero h1 { font-size: clamp(34px, 3.4vw, 48px); font-weight: 800; line-height: 1.35; letter-spacing: -.025em; margin-bottom: 18px; }
.hero-subtitle { font-size: 25px; line-height: 1.5; font-weight: 700; margin-bottom: 14px; }
.hero-description { max-width: 590px; font-size: 17px; line-height: 1.9; color: #f2f8ff; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 52px; padding: 13px 26px; border: 2px solid transparent; border-radius: 8px; font-size: 16px; font-weight: 700; line-height: 1.5; text-align: center; transition: background .2s, box-shadow .2s, transform .2s; }
.button svg { flex: 0 0 auto; width: 21px; height: 21px; }
.button.primary { color: #fff; background: var(--blue); box-shadow: 0 6px 18px rgba(0, 123, 255, .16); }
.button.primary:hover { background: #0067d8; box-shadow: 0 8px 24px rgba(0, 98, 211, .23); transform: translateY(-2px); }
.hero .button.primary { background: #0077f8; box-shadow: 0 6px 22px rgba(0, 56, 133, .12); }
.hero .button.primary:hover { background: #0069db; }
.button.outline { border-color: rgba(255,255,255,.65); color: #fff; background: transparent; }
.button.outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.button.secondary { color: var(--blue-dark); background: #eaf4ff; border-color: #c7e1ff; }
.button.secondary:hover { background: #d9ebff; }
.hero-badges { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 38px; }
.hero-badges span { display: inline-flex; align-items: center; gap: 7px; padding: 9px 14px; border-radius: 999px; background: rgba(255,255,255,.14); font-size: 13px; white-space: nowrap; }
.hero-badges svg { width: 16px; height: 16px; color: #74ee92; }
.hero-image { width: 100%; max-width: 500px; justify-self: end; }
.hero-image img { width: 100%; height: auto; aspect-ratio: 1.5; object-fit: cover; border-radius: 20px; box-shadow: 0 20px 50px rgba(0, 47, 104, .22); }
.hero-scroll { position: absolute; left: 50%; bottom: 24px; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.2); transform: translateX(-50%); }
.hero-scroll svg { width: 26px; height: 26px; }

/* Cards and content sections. */
.section { padding: 88px 0; }
.section-muted { background: var(--pale); }
.section-heading { text-align: center; margin: 0 auto 48px; max-width: 760px; }
.section-heading h2 { position: relative; display: inline-block; color: #263b50; font-size: 34px; font-weight: 750; line-height: 1.4; padding-bottom: 17px; margin-bottom: 14px; }
.section-heading h2::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 56px; height: 3px; border-radius: 4px; background: var(--blue); transform: translateX(-50%); }
.section-heading p { color: var(--muted); font-size: 16px; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.service-card { display: flex; flex-direction: column; min-width: 0; padding: 32px 28px; background: #fff; border: 1px solid #edf1f6; border-radius: var(--radius); box-shadow: var(--shadow); transition: transform .2s, border-color .2s, box-shadow .2s; }
.service-card:hover { transform: translateY(-5px); border-color: #c4defb; box-shadow: 0 16px 40px rgba(25, 71, 116, .11); }
.service-icon { display: grid; place-items: center; width: 66px; height: 66px; border-radius: 50%; background: #eaf4ff; color: var(--blue); margin-bottom: 20px; }
.service-icon svg { width: 30px; height: 30px; }
.service-card h3 { font-size: 21px; color: #263b50; line-height: 1.4; margin-bottom: 14px; }
.service-card p { color: var(--muted); font-size: 14px; line-height: 1.85; }
.service-card ul { list-style: none; margin: 19px 0 24px; padding: 0; color: #52677d; font-size: 14px; }
.service-card li { position: relative; padding-left: 22px; margin-bottom: 7px; }
.service-card li::before { content: "✓"; position: absolute; left: 0; color: #28b675; font-weight: 700; }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--blue); font-size: 14px; font-weight: 700; margin-top: auto; width: fit-content; padding: 4px 0; }
.text-link svg { width: 17px; height: 17px; }
.text-link:hover { color: var(--blue-dark); text-decoration: underline; text-underline-offset: 4px; }
.split-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); align-items: center; gap: 52px; }
.split-grid > * { min-width: 0; }
.feature-image img { width: 100%; height: auto; border-radius: 16px; box-shadow: 0 16px 40px rgba(28, 65, 104, .1); object-fit: cover; }
#advantages .feature-image img { aspect-ratio: 1.6; }
#about .feature-image img { aspect-ratio: 1.5; }
.advantage-list { display: grid; gap: 22px; }
.advantage-list article { display: flex; align-items: flex-start; gap: 16px; }
.mini-icon { display: grid; place-items: center; flex: 0 0 46px; width: 46px; height: 46px; color: var(--blue); background: #e7f2ff; border-radius: 12px; }
.mini-icon svg { width: 23px; height: 23px; }
.advantage-list h3 { font-size: 18px; margin: 0 0 5px; line-height: 1.5; }
.advantage-list p { font-size: 14px; line-height: 1.8; color: var(--muted); }
.stats-row,.about-facts { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; margin-top: 30px; padding-top: 23px; border-top: 1px solid var(--line); text-align: center; }
.stats-row b,.about-facts b { display: block; color: var(--blue); font-size: 28px; font-weight: 800; line-height: 1.4; margin-bottom: 5px; }
.stats-row span,.about-facts span { color: var(--muted); font-size: 13px; }
.process-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 22px; }
.step-card { position: relative; min-width: 0; text-align: center; }
.step-card:not(:last-child)::after { content: ""; position: absolute; top: 29px; left: calc(50% + 38px); width: calc(100% - 54px); height: 2px; background: #dcecff; }
.step-number { position: relative; z-index: 1; display: grid; place-items: center; width: 60px; height: 60px; margin: 0 auto 22px; color: #fff; border-radius: 50%; background: linear-gradient(135deg,#0069da,#1394ff); box-shadow: 0 7px 20px rgba(0,123,255,.2); font-size: 22px; font-weight: 800; }
.step-card h3 { font-size: 18px; margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--muted); line-height: 1.8; }
#about .split-grid > div > h3 { font-size: 25px; margin-bottom: 18px; color: var(--blue-dark); }
#about .split-grid > div > p { color: var(--muted); font-size: 15px; line-height: 1.95; margin-bottom: 15px; }
.topic-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.topic-tags span { display: inline-block; padding: 7px 13px; background: #e7f2ff; color: #2e6baf; border-radius: 5px; font-size: 13px; }

/* Scenarios and local reading cards. */
.case-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 26px; }
.case-card { min-width: 0; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 5px 20px rgba(25,71,116,.05); }
.case-head { display: flex; align-items: center; gap: 15px; margin-bottom: 22px; }
.avatar { display: grid; place-items: center; flex: 0 0 52px; width: 52px; height: 52px; border-radius: 50%; background: #eaf4ff; color: var(--blue); }
.avatar svg { width: 25px; height: 25px; }
.case-head h3 { font-size: 18px; line-height: 1.5; }
.case-head p { font-size: 13px; color: var(--muted); }
.case-meta { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; border-radius: 8px; background: #f4f8fd; padding: 16px 20px; margin-bottom: 18px; }
.case-meta div { display: flex; flex-direction: column; gap: 4px; }
.case-meta span { font-size: 12px; color: var(--muted); }
.case-meta b { color: var(--blue-dark); font-size: 16px; line-height: 1.5; }
.case-card > p { color: var(--muted); font-size: 14px; line-height: 1.85; }
.case-label { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: #14855a; background: #ebfaf3; padding: 4px 11px; border-radius: 999px; margin-top: 20px; }
.case-label svg { width: 14px; height: 14px; }
.guide-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px; align-items: start; }
.guide-card { min-width: 0; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.guide-card > img { width: 100%; aspect-ratio: 1.8; object-fit: cover; }
.guide-body { padding: 24px; }
.eyebrow { color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .04em; margin-bottom: 9px; }
.guide-body h3 { font-size: 19px; line-height: 1.55; margin-bottom: 12px; }
.guide-body > p { color: var(--muted); font-size: 14px; line-height: 1.85; }
.guide-body details { margin-top: 17px; }
.guide-body summary { list-style: none; color: var(--blue); font-size: 14px; font-weight: 700; cursor: pointer; padding: 3px 0; width: fit-content; }
.guide-body summary::-webkit-details-marker { display: none; }
.guide-body summary > span { display: inline-block; margin-left: 4px; }
.guide-body details[open] summary > span { transform: rotate(-90deg); }
.guide-content { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.85; }
.guide-content p + p { margin-top: 10px; }
.guide-content ul { margin: 8px 0; padding-left: 20px; }
.faq-list { width: 100%; max-width: 900px; margin: 0 auto; }
.faq { background: #f8fafc; border: 1px solid #e8eef5; border-radius: 10px; margin-bottom: 14px; overflow: hidden; }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; padding: 21px 25px; list-style: none; font-size: 17px; font-weight: 650; color: #2e455e; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary > span,.faq summary > svg { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 20px; width: 20px; height: 20px; color: var(--blue); transition: transform .2s; }
.faq summary svg { width: 20px; height: 20px; }
.faq[open] { background: #fff; box-shadow: 0 5px 18px rgba(25,71,116,.04); }
.faq[open] summary { color: var(--blue-dark); }
.faq[open] summary > span,.faq[open] summary > svg { transform: rotate(180deg); }
.faq > p,.faq > div { font-size: 15px; color: var(--muted); line-height: 1.95; padding: 0 25px 24px; }
.section-blue { background: linear-gradient(135deg,#004494,#007bff); color: #fff; }
.section-blue .section-heading h2 { color: #fff; }
.section-blue .section-heading h2::after { background: #a7d5ff; }
.section-blue .section-heading p { color: #d9edff; }
.tips-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px; }
.tip-card { min-width: 0; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15); border-radius: 14px; padding: 28px; }
.quote-mark { display: block; color: #a8d9ff; font-family: Georgia,serif; font-size: 48px; line-height: 1; height: 38px; margin-bottom: 12px; }
.quote-mark svg { width: 30px; height: 30px; }
.tip-card h3 { font-size: 19px; margin-bottom: 14px; }
.tip-card p { font-size: 14px; color: #e5f2ff; line-height: 1.95; }
.tip-footer { border-top: 1px solid rgba(255,255,255,.2); margin-top: 24px; padding-top: 16px; color: #cde8ff; font-size: 12px; }

/* Contact summary form; no fake submission state. */
.contact-grid { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 64px; align-items: start; }
.contact-info > h3,.contact-form > h3 { font-size: 25px; margin-bottom: 12px; line-height: 1.5; }
.contact-info > p,.contact-form > p { font-size: 15px; color: var(--muted); margin-bottom: 28px; }
.contact-method { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.contact-method > svg { flex: 0 0 46px; width: 46px; height: 46px; background: #eaf4ff; color: var(--blue); padding: 12px; border-radius: 50%; }
.contact-method h4 { font-size: 16px; margin-bottom: 4px; }
.contact-method p { color: var(--muted); font-size: 14px; overflow-wrap: anywhere; }
.contact-method strong { color: var(--blue-dark); font-size: 21px; }
.contact-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.contact-tags span { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: #f0f6fd; color: #4c6e95; font-size: 12px; }
.contact-tags svg { width: 14px; height: 14px; }
.contact-form { border-radius: 16px; background: #f8fafc; border: 1px solid #e7edf4; padding: 32px; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.field { min-width: 0; margin-bottom: 20px; }
.field label { display: block; margin-bottom: 8px; font-size: 14px; color: #3d536b; font-weight: 600; }
.field input,.field select,.field textarea { display: block; width: 100%; border: 1px solid #dce5ee; border-radius: 7px; padding: 11px 13px; background: #fff; color: var(--ink); font-size: 15px; line-height: 1.5; }
.field input,.field select { min-height: 46px; }
.field textarea { min-height: 132px; resize: vertical; }
.field input::placeholder,.field textarea::placeholder { color: #8e9baa; }
.contact-form > .button.primary { width: 100%; }
#consult-summary { margin-top: 24px; padding-top: 24px; border-top: 1px solid #dce5ee; }
#consult-summary h4 { font-size: 17px; margin-bottom: 12px; }
#summary-text { margin: 0 0 16px; white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; font-size: 14px; line-height: 1.9; background: #fff; border: 1px solid var(--line); padding: 16px; border-radius: 8px; }
#consult-summary .button { font-size: 14px; padding: 10px 16px; min-height: 44px; margin: 0 8px 8px 0; }
#copy-summary { display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; min-height: 44px; border: 1px solid #bfd9f7; border-radius: 7px; color: var(--blue-dark); background: #fff; font-size: 14px; font-weight: 700; margin: 0 8px 8px 0; }
#copy-summary:hover { background: #edf5ff; }
.form-status,[role="status"] { font-size: 13px; color: var(--muted); }
.site-footer { padding: 58px 0 24px; background: #1a2a3a; color: #b9c4d0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.55fr 1fr 1fr 1.1fr; gap: 44px; }
.footer-grid > div { min-width: 0; }
.footer-grid h3 { font-size: 18px; color: #fff; margin-bottom: 18px; }
.footer-grid p { font-size: 13px; line-height: 1.95; margin-bottom: 10px; }
.footer-grid a { display: block; font-size: 13px; line-height: 1.7; margin-bottom: 10px; overflow-wrap: anywhere; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 38px; padding-top: 22px; font-size: 12px; text-align: center; line-height: 1.9; }
.footer-bottom p + p { margin-top: 6px; }
.back-top { position: fixed; right: 24px; bottom: 103px; z-index: 55; width: 44px; height: 44px; display: grid; place-items: center; color: #fff; background: var(--blue); border: 0; border-radius: 50%; box-shadow: 0 5px 18px #0056b32a; font-size: 22px; }
.back-top svg { width: 22px; height: 22px; }
.back-top:hover { background: var(--blue-dark); }

@media (max-width: 1100px) {
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .hero-grid { gap: 36px; }
  .hero h1 { font-size: 38px; }
  .hero-subtitle { font-size: 22px; }
  .hero-description { font-size: 16px; }
  .hero-badges { gap: 10px; }
  .hero-badges span { padding: 7px 11px; font-size: 12px; }
  .split-grid { gap: 34px; }
  .contact-grid { gap: 36px; }
  .service-card { padding: 27px 23px; }
  .footer-grid { gap: 28px; }
}
@media (min-width: 1101px) { .mobile-nav { display: none !important; } }
@media (max-width: 900px) {
  .section { padding: 68px 0; }
  .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .hero-grid { grid-template-columns: minmax(0,1fr); gap: 42px; }
  .hero { min-height: auto; padding: 64px 0 90px; }
  .hero-copy { max-width: 700px; }
  .hero-image { justify-self: start; max-width: 600px; }
  .hero-image img { max-height: 360px; aspect-ratio: 1.8; }
  .hero-badges { margin-top: 26px; }
  .split-grid { grid-template-columns: minmax(0,1fr); gap: 36px; }
  .feature-image { width: 100%; max-width: 680px; margin-inline: auto; }
  .feature-image img { max-height: 420px; }
  .process-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px 22px; }
  .step-card:nth-child(3)::after { display: none; }
  .guide-grid { gap: 18px; }
  .guide-body { padding: 20px; }
  .guide-body h3 { font-size: 17px; }
  .tips-grid { gap: 18px; }
  .tip-card { padding: 23px; }
  .contact-grid { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 32px; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 80px; }
  .container { padding-inline: 20px; }
  .header-row { min-height: 64px; gap: 12px; }
  .brand { font-size: 20px; gap: 8px; }
  .brand-mark,.brand-mark svg { width: 28px; }
  .mobile-nav { padding-inline: 20px; }
  .hero { padding: 48px 0 82px; }
  .hero-grid { gap: 34px; }
  .hero h1 { font-size: 32px; margin-bottom: 16px; }
  .hero-subtitle { font-size: 20px; }
  .hero-description { font-size: 15px; margin-bottom: 27px; }
  .hero-actions { gap: 10px; }
  .hero-actions .button { font-size: 14px; min-height: 49px; padding: 11px 17px; }
  .hero-actions .button svg { width: 18px; height: 18px; }
  .hero-badges { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
  .hero-badges span { justify-content: center; padding: 8px 10px; font-size: 12px; }
  .hero-image img { border-radius: 14px; aspect-ratio: 1.5; }
  .hero-scroll { width: 38px; height: 38px; bottom: 20px; }
  .section { padding: 52px 0; }
  .section-heading { margin-bottom: 32px; }
  .section-heading h2 { font-size: 27px; padding-bottom: 13px; margin-bottom: 12px; }
  .section-heading p { font-size: 14px; }
  .service-grid,.case-grid,.guide-grid,.tips-grid { grid-template-columns: minmax(0,1fr); gap: 20px; }
  .service-card { padding: 27px 24px; }
  .service-card h3 { font-size: 20px; }
  .service-icon { width: 58px; height: 58px; margin-bottom: 18px; }
  .service-icon svg { width: 27px; height: 27px; }
  .advantage-list { gap: 24px; }
  .advantage-list article { gap: 13px; }
  .mini-icon { flex-basis: 42px; width: 42px; height: 42px; border-radius: 10px; }
  .advantage-list h3 { font-size: 17px; }
  .stats-row b,.about-facts b { font-size: 24px; }
  .stats-row span,.about-facts span { font-size: 12px; }
  .process-grid { grid-template-columns: minmax(0,1fr); gap: 28px; }
  .step-card { text-align: left; padding-left: 77px; min-height: 66px; }
  .step-number { position: absolute; left: 0; top: 0; width: 54px; height: 54px; font-size: 20px; margin: 0; }
  .step-card:not(:last-child)::after { display: block; left: 26px; top: 64px; width: 2px; height: calc(100% - 43px); }
  .step-card h3 { margin-bottom: 7px; }
  #about .split-grid > div > h3 { font-size: 22px; }
  .case-card { padding: 24px; }
  .case-meta { padding: 15px; gap: 12px; }
  .case-meta b { font-size: 15px; }
  .guide-body { padding: 24px; }
  .guide-body h3 { font-size: 19px; }
  .guide-card > img { max-height: 230px; }
  .faq summary { padding: 17px 18px; font-size: 15px; gap: 14px; }
  .faq > p,.faq > div { padding: 0 18px 20px; font-size: 14px; }
  .tip-card { padding: 26px; }
  .contact-info > h3,.contact-form > h3 { font-size: 22px; }
  .contact-form { padding: 24px 20px; }
  .form-grid { grid-template-columns: minmax(0,1fr); gap: 0; }
  .field { margin-bottom: 18px; }
  .field input,.field select,.field textarea { font-size: 16px; }
  .contact-form > p { font-size: 14px; }
  .contact-method { margin-bottom: 23px; }
  .site-footer { padding-top: 42px; }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px 22px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-grid h3 { font-size: 16px; margin-bottom: 14px; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
  .footer-bottom { margin-top: 25px; padding-top: 20px; }
  .back-top { right: 16px; bottom: 94px; width: 40px; height: 40px; }
}
@media (max-width: 360px) {
  .container { padding-inline: 16px; }
  .brand { font-size: 18px; }
  .hero h1 { font-size: 29px; }
  .hero-subtitle { font-size: 18px; }
  .hero-actions .button { width: 100%; }
  .section-heading h2 { font-size: 25px; }
  .contact-form { padding-inline: 16px; }
  .case-card { padding: 20px; }
  .stats-row,.about-facts { gap: 8px; }
  .stats-row b,.about-facts b { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { transition: none !important; animation: none !important; }
}