@font-face {
  font-family: "Inter";
  src: url("assets/fonts/inter-latin-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "Manrope";
  src: url("assets/fonts/manrope-latin-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}
:root {
  --blue: #2b60ee;
  --blue-deep: #204fc9;
  --blue-soft: #edf3ff;
  --ink: #11213c;
  --muted: #596a83;
  --line: #dfe6f0;
  --white: #fff;
  --cloud: #f5f8fc;
  --font-body: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-heading: "Manrope", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: var(--font-body); font-size: 1rem; line-height: 1.6; -webkit-font-smoothing: antialiased; }
h1, h2, h3, .brand { font-family: var(--font-heading); font-weight: 750; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { text-wrap: balance; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button { font: inherit; }
::selection { color: #fff; background: var(--blue); }
:lang(zh-CN), :lang(ja-JP) { word-break: normal; }
html:lang(zh-CN) :is(h1,h2,h3), html:lang(ja-JP) :is(h1,h2,h3) { letter-spacing: -.02em; line-height: 1.25; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.section-shell { width: min(1280px,calc(100% - 64px)); margin-inline: auto; }

/* A quiet frame with a distinct primary action. */
.site-nav { position: relative; z-index: 20; display: grid; width: min(1360px,calc(100% - 64px)); min-height: 96px; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 32px; margin: 0 auto; }
.brand { display: inline-flex; align-items: center; gap: 11px; width: max-content; font-size: 1.5rem; font-weight: 800; letter-spacing: -.04em; text-decoration: none; }
.brand img { width: 40px; height: 40px; border-radius: 12px; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { position: relative; padding: 12px 0; color: var(--muted); font-size: .9375rem; font-weight: 500; text-decoration: none; }
.nav-links a::after { position: absolute; right: 0; bottom: 4px; left: 0; height: 2px; border-radius: 2px; background: var(--blue); content: ""; opacity: 0; transform: scaleX(.4); transition: transform .2s ease,opacity .2s ease; }
.nav-links a:hover, .nav-links a.is-active { color: var(--blue-deep); }
.nav-links a.is-active::after { opacity: 1; transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.nav-download { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 14px; padding: 0 20px; border: 1px solid var(--blue); border-radius: 12px; color: #fff; background: var(--blue); font-size: .875rem; font-weight: 600; white-space: nowrap; text-decoration: none; box-shadow: 0 5px 12px rgba(43,96,238,.13); transition: background .2s ease,transform .2s ease; }
.nav-download:hover { background: var(--blue-deep); transform: translateY(-1px); }
.nav-download > span:last-child { font-size: 1.125rem; }
.menu-button { display: none; width: 46px; height: 46px; place-items: center; gap: 5px; padding: 13px; border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; }
.menu-button span { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .18s ease; }
.site-nav.is-menu-open .menu-button span:first-child { transform: translateY(3.5px) rotate(45deg); }
.site-nav.is-menu-open .menu-button span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.language-picker { position: relative; }
.language-trigger { display: inline-flex; min-width: 46px; height: 48px; align-items: center; justify-content: center; gap: 8px; padding: 0 12px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); background: #fff; cursor: pointer; font: inherit; font-size: .875rem; font-weight: 600; }
.language-trigger svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.language-trigger .chevron { width: 12px; transition: transform .16s ease; }
.language-trigger[aria-expanded="true"] .chevron { transform: rotate(180deg); }
.language-list { position: absolute; top: calc(100% + 10px); right: 0; z-index: 90; width: 276px; max-height: min(520px,calc(100vh - 100px)); margin: 0; padding: 8px; overflow-y: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 20px 60px rgba(17,33,60,.16); list-style: none; }
.language-list[hidden] { display: none; }
.language-list a { display: grid; width: 100%; min-height: 48px; grid-template-columns: 1fr 22px; align-items: center; padding: 0 14px; border: 0; border-radius: 10px; color: var(--muted); background: transparent; cursor: pointer; font: inherit; font-size: .9375rem; font-weight: 500; text-align: left; text-decoration: none; }
.language-list a:hover, .language-list a[aria-current="page"] { color: var(--blue-deep); background: var(--blue-soft); }
.language-list a svg { width: 17px; fill: none; stroke: var(--blue); stroke-width: 2.3; opacity: 0; }
.language-list a[aria-current="page"] svg { opacity: 1; }

/* Product-led opening. The camera itself is the original listing asset. */
.home-hero { position: relative; display: grid; width: min(1440px,calc(100% - 32px)); min-height: 700px; grid-template-columns: minmax(0,1.02fr) minmax(0,.98fr); align-items: center; gap: 32px; margin: 0 auto; padding: clamp(44px,5vw,76px); overflow: hidden; border: 1px solid #e8eef9; border-radius: 28px; background: linear-gradient(115deg,#f8faff 0%,#f3f7ff 55%,#e9f1ff 100%); }
.hero-copy { position: relative; z-index: 2; max-width: 650px; min-width: 0; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 22px; color: var(--blue-deep); font-size: .8125rem; font-weight: 700; line-height: 1.6; letter-spacing: .085em; text-transform: uppercase; }
.eyebrow span { flex: 0 0 24px; height: 2px; background: currentColor; }
.eyebrow b { font-weight: inherit; }
.hero-copy h1 { margin: 0; font-size: clamp(3.125rem,5.3vw,5rem); line-height: 1.06; letter-spacing: -.055em; }
.hero-copy h1 em { color: var(--blue); font-style: normal; font-weight: inherit; }
.hero-lede { max-width: 540px; margin: 26px 0 0; color: var(--muted); font-size: 1.0625rem; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; gap: 20px; padding: 13px 23px; border: 1px solid transparent; border-radius: 12px; font-size: .9375rem; font-weight: 600; line-height: 1.5; text-align: center; text-decoration: none; transition: transform .18s ease,background .18s ease,box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 8px 20px rgba(43,96,238,.17); }
.button-primary:hover { background: var(--blue-deep); box-shadow: 0 10px 26px rgba(43,96,238,.24); }
.button-secondary { color: var(--ink); border-color: #d5deee; background: #fff; }
.button-secondary:hover { background: var(--blue-soft); }
.hero-proof { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin: 38px 0 0; padding: 24px 0 0; border-top: 1px solid #dbe4f4; list-style: none; }
.hero-proof li { display: grid; align-content: start; gap: 6px; }
.hero-proof strong { font-family: var(--font-heading); font-size: 1.375rem; font-weight: 750; letter-spacing: -.025em; }
.hero-proof span { color: var(--muted); font-size: .8125rem; line-height: 1.5; }
.hero-product { position: relative; display: grid; min-width: 0; min-height: 540px; place-items: center; }
.hero-product img { position: relative; z-index: 1; width: min(94%,590px); height: auto; mix-blend-mode: multiply; }
.status-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 13px; border: 1px solid rgba(255,255,255,.9); border-radius: 14px; color: var(--ink); background: rgba(255,255,255,.94); box-shadow: 0 14px 38px rgba(17,33,60,.09); }
.status-card-top { top: 6%; right: -8px; padding: 14px 18px; }
.status-card-bottom { bottom: 6%; left: 0; padding: 14px 18px; }
.status-card div { display: grid; gap: 3px; }
.status-card small { color: var(--muted); font-size: .75rem; font-weight: 600; letter-spacing: .055em; }
.status-card strong { font-size: .875rem; font-weight: 600; }
.status-card-bottom strong { color: var(--blue); font-family: var(--font-heading); font-size: 1.75rem; font-weight: 750; }
.status-card-bottom span { color: var(--muted); font-size: .875rem; }
.status-dot { flex: 0 0 9px; width: 9px; height: 9px; border-radius: 50%; background: #239c79; box-shadow: 0 0 0 5px rgba(35,156,121,.1); }
.trust-strip { display: flex; width: min(1200px,calc(100% - 64px)); align-items: center; justify-content: space-between; gap: 20px; margin: 0 auto; padding: 30px 0; border-bottom: 1px solid var(--line); color: #536783; font-size: .875rem; font-weight: 500; }
.trust-strip i { flex: 0 0 4px; width: 4px; height: 4px; border-radius: 50%; background: #a9bcd9; }

/* Clear type and concise, product-specific features. */
.feature-section { padding: 96px 0 64px; }
.section-heading { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,.7fr); align-items: end; gap: 72px; }
.section-heading h2, .app-copy h2, .protection-copy h2, .final-cta h2 { margin: 0; font-size: clamp(2.375rem,4vw,3.5rem); line-height: 1.12; letter-spacing: -.045em; }
.section-heading > p { margin: 0 0 3px; color: var(--muted); font-size: 1.0625rem; line-height: 1.8; }
.feature-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; margin-top: 40px; }
.feature-grid article { position: relative; min-width: 0; min-height: 264px; padding: 32px; border: 1px solid var(--line); border-radius: 20px; background: #fff; transition: border-color .2s ease,transform .2s ease; }
.feature-grid article:hover { border-color: #aebfe5; transform: translateY(-3px); }
.feature-grid article:nth-child(2) { color: #fff; border-color: var(--ink); background: var(--ink); }
.feature-index { position: absolute; top: 28px; right: 30px; color: #7084a3; font-family: var(--font-heading); font-size: .875rem; font-weight: 600; }
.feature-icon { display: grid; width: 48px; height: 48px; place-items: center; margin-bottom: 30px; border-radius: 13px; color: var(--blue); background: var(--blue-soft); }
.feature-grid article:nth-child(2) .feature-icon { color: #b9ceff; background: #233659; }
.feature-icon svg, .support-card-icon svg, .trust-chips svg, .live-chat-shell svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.feature-grid h3 { margin: 0 0 12px; font-size: 1.5rem; line-height: 1.25; letter-spacing: -.025em; }
.feature-grid p { max-width: 50ch; margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.75; }
.feature-grid article:nth-child(2) p { color: #c1cfe5; }
.product-note { max-width: 960px; margin: 22px 0 0; color: var(--muted); font-size: .8125rem; line-height: 1.7; }

.app-showcase { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); align-items: center; gap: clamp(40px,6vw,88px); margin-top: 32px; padding: 64px clamp(32px,5vw,72px); overflow: hidden; border-radius: 24px; color: #fff; background: var(--ink); }
.app-visual { position: relative; width: min(100%,360px); height: 560px; margin: 0 auto; overflow: hidden; border-radius: 20px; box-shadow: 0 20px 50px rgba(0,0,0,.22); }
.app-visual > img { width: 100%; height: 100%; object-fit: cover; }
.app-visual figcaption { position: absolute; right: 14px; bottom: 14px; left: 14px; display: flex; align-items: center; gap: 13px; padding: 16px; border: 1px solid rgba(255,255,255,.18); border-radius: 12px; color: #fff; background: rgba(17,33,60,.94); }
.app-visual figcaption div { display: grid; gap: 3px; }
.app-visual figcaption small { color: #b7c8e4; font-size: .75rem; font-weight: 600; letter-spacing: .06em; }
.app-visual figcaption strong { font-size: .875rem; font-weight: 500; }
.app-copy { min-width: 0; }
.app-copy .eyebrow { color: #a9c2ff; }
.app-copy > p:not(.eyebrow) { margin: 24px 0 30px; color: #c1cfe5; font-size: 1rem; line-height: 1.8; }
.app-copy ul { margin: 0; padding: 0; border-top: 1px solid #33425b; list-style: none; }
.app-copy li { display: grid; grid-template-columns: 30px minmax(0,1fr); gap: 16px; padding: 20px 0; border-bottom: 1px solid #33425b; }
.app-copy li > span { color: #a2baff; font-family: var(--font-heading); font-size: .875rem; font-weight: 600; }
.app-copy li div { display: grid; gap: 7px; }
.app-copy li strong { font-size: 1.0625rem; font-weight: 600; }
.app-copy li p { margin: 0; color: #bfcee5; font-size: .9375rem; line-height: 1.7; }
.protection-banner { position: relative; min-height: 570px; margin-top: 80px; overflow: hidden; border-radius: 24px; color: #fff; background: #173456; }
.protection-banner > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 55%; }
.protection-overlay { position: absolute; inset: 0; background: linear-gradient(90deg,rgba(7,24,48,.94),rgba(7,24,48,.6) 54%,rgba(7,24,48,.1)); }
.protection-copy { position: relative; width: min(650px,100%); padding: 90px clamp(32px,5vw,72px); }
.eyebrow-light { color: #b9d0ff; }
.protection-copy p:not(.eyebrow) { margin: 24px 0 30px; color: #d4e1f4; font-size: 1rem; line-height: 1.8; }
.button-light { color: var(--blue-deep); background: #fff; }
.final-cta { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,.7fr); align-items: center; gap: 72px; margin-top: 80px; padding: 56px; border: 1px solid #e1e9f6; border-radius: 24px; background: var(--cloud); }
.final-cta > div:last-child { display: grid; justify-items: start; gap: 24px; }
.final-cta > div:last-child p { margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.8; }

/* Support: three direct channels, without a secondary form. */
.support-body, .live-chat-body { background: #f8fafd; }
.support-main { padding-top: 26px; }
.support-hero { position: relative; display: grid; min-height: 330px; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 36px; padding: 56px; overflow: hidden; border-radius: 24px; color: #fff; background: var(--ink); }
.support-hero::after { position: absolute; top: -210px; right: -120px; width: 560px; height: 560px; border: 1px solid #324b75; border-radius: 50%; box-shadow: 0 0 0 55px rgba(109,153,255,.04); content: ""; }
.support-hero > div { position: relative; z-index: 1; min-width: 0; }
.support-hero .eyebrow { color: #b4caff; }
.support-hero h1 { margin: 0; font-size: clamp(2.75rem,5vw,4.5rem); line-height: 1.08; letter-spacing: -.045em; }
.support-hero > div > p:last-child { max-width: 600px; margin: 22px 0 0; color: #c5d2e7; font-size: 1.0625rem; line-height: 1.75; }
.support-hero aside { position: relative; z-index: 1; display: flex; align-items: center; gap: 15px; padding: 19px 22px; border: 1px solid #435371; border-radius: 16px; background: #21334f; }
.support-hero aside div { display: grid; gap: 5px; }
.support-hero aside small { color: #b4c5e1; font-size: .75rem; font-weight: 600; letter-spacing: .06em; }
.support-hero aside strong { font-size: .875rem; font-weight: 500; }
.support-options { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; margin-top: 24px; }
.support-option { position: relative; min-width: 0; min-height: 272px; padding: 34px; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; color: var(--ink); background: #fff; text-decoration: none; transition: transform .2s ease,border-color .2s ease,box-shadow .2s ease; }
.support-option:hover { border-color: #acbee6; transform: translateY(-3px); box-shadow: 0 16px 36px rgba(17,33,60,.06); }
.support-option > img { position: absolute; top: 0; right: 0; width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.support-option::after { position: absolute; inset: 0; background: linear-gradient(90deg,#fff 35%,rgba(255,255,255,.75)); content: ""; }
.support-option > *:not(img) { position: relative; z-index: 1; }
.support-option-featured { color: #fff; border-color: var(--blue); background: var(--blue); }
.support-option-featured::after { background: linear-gradient(100deg,#245be7 25%,rgba(43,96,238,.8)); }
.support-card-icon { display: grid; width: 44px; height: 44px; place-items: center; margin-bottom: 26px; border-radius: 12px; color: var(--blue); background: var(--blue-soft); }
.support-option-featured .support-card-icon { color: #fff; background: rgba(255,255,255,.14); }
.support-option small { color: var(--blue-deep); font-size: .8125rem; font-weight: 600; letter-spacing: .06em; }
.support-option-featured small { color: #d4e1ff; }
.support-option h2 { margin: 8px 0 12px; font-size: 1.75rem; line-height: 1.2; letter-spacing: -.035em; }
.support-option p { max-width: 42ch; margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.7; }
.support-option-featured p { color: #e5edff; }
.card-arrow { position: absolute !important; top: 31px; right: 32px; display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-size: 1.125rem; }
.support-option-featured .card-arrow { border-color: rgba(255,255,255,.3); }
.support-option-email { grid-column: 1/-1; display: grid; grid-template-columns: 56px minmax(0,1fr); align-items: center; gap: 26px; min-height: 194px; padding: 36px 88px 36px 36px; border-color: #cfddfb; background: #edf3ff; }
.support-option-email::after { display: none; }
.support-option-email .support-card-icon { width: 56px; height: 56px; margin: 0; border-radius: 16px; color: #fff; background: var(--blue); }
.support-option-email small { font-size: .875rem; letter-spacing: .04em; }
.support-option-email h2 { margin: 8px 0 12px; color: var(--blue-deep); font-size: clamp(1.75rem,3.5vw,2.75rem); line-height: 1.2; overflow-wrap: anywhere; }
.support-option-email:hover h2 { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .16em; }
.support-option-email p { max-width: 52rem; }

/* Live help remains the same official service. */
.live-chat-main { display: grid; min-height: calc(100svh - 96px); grid-template-columns: minmax(0,.78fr) minmax(0,1.22fr); align-items: center; gap: clamp(36px,5vw,72px); padding-top: 52px; padding-bottom: 52px; }
.live-chat-intro { min-width: 0; max-width: 490px; }
.back-link { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 38px; color: var(--muted); font-size: .875rem; font-weight: 500; text-decoration: none; }
.live-chat-intro h1 { margin: 0; font-size: clamp(2.75rem,4.6vw,4rem); line-height: 1.08; letter-spacing: -.045em; }
.live-chat-intro h1 em { color: var(--blue); font-style: normal; font-weight: inherit; }
.live-chat-intro > p { margin: 24px 0 0; color: var(--muted); font-size: 1rem; line-height: 1.8; }
.trust-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.trust-chips > span { display: inline-flex; min-height: 38px; align-items: center; gap: 8px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); background: #fff; font-size: .8125rem; }
.trust-chips svg { width: 16px; color: #218568; }
.chat-guidance { display: grid; margin-top: 30px; }
.chat-guidance article { display: grid; grid-template-columns: 28px minmax(0,1fr); gap: 12px; padding: 18px 0; border-top: 1px solid var(--line); }
.chat-guidance article > span { color: var(--blue); font-family: var(--font-heading); font-size: .875rem; font-weight: 600; }
.chat-guidance article div { display: grid; gap: 5px; }
.chat-guidance small { color: var(--muted); font-size: .75rem; font-weight: 600; letter-spacing: .06em; }
.chat-guidance strong { color: var(--ink); font-size: .875rem; font-weight: 500; line-height: 1.6; }
.live-chat-shell { min-width: 0; overflow: hidden; border: 1px solid #d8e2f1; border-radius: 20px; background: #fff; box-shadow: 0 22px 60px rgba(17,33,60,.1); }
.live-chat-shell > header { display: grid; min-height: 80px; grid-template-columns: 42px minmax(0,1fr) auto 36px; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.live-chat-shell > header > img { border-radius: 12px; }
.live-chat-shell > header > div { display: grid; gap: 3px; }
.live-chat-shell > header small { color: var(--blue-deep); font-size: .75rem; font-weight: 600; letter-spacing: .055em; }
.live-chat-shell > header strong { font-size: 1rem; font-weight: 600; }
.chat-secure { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: .75rem; }
.chat-secure i { width: 7px; height: 7px; border-radius: 50%; background: #239c79; }
.live-chat-shell > header > a { display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid var(--line); border-radius: 10px; color: var(--blue); text-decoration: none; }
.live-chat-frame { height: min(680px,72svh); min-height: 540px; background: #fff; }
.live-chat-frame iframe { width: 100%; height: 100%; border: 0; }
.live-chat-shell > footer { display: flex; min-height: 58px; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: .75rem; }
.live-chat-shell > footer span { display: flex; align-items: center; gap: 8px; }
.live-chat-shell > footer svg { flex: 0 0 15px; width: 15px; color: #218568; }
.live-chat-shell > footer a { color: var(--blue-deep); font-weight: 600; }

.site-footer { display: grid; width: min(1280px,calc(100% - 64px)); grid-template-columns: auto 1fr minmax(220px,.8fr); align-items: center; gap: 40px; margin: 64px auto 0; padding: 32px 0 40px; border-top: 1px solid var(--line); }
.site-footer nav { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 14px 24px; }
.site-footer nav a { color: var(--muted); font-size: .875rem; font-weight: 500; text-decoration: none; }
.site-footer nav a:hover { color: var(--blue-deep); }
.site-footer > div { display: grid; justify-items: end; gap: 5px; color: var(--muted); font-size: .75rem; line-height: 1.6; text-align: right; }
.footer-brand { font-size: 1.25rem; }
.footer-brand img { width: 34px; height: 34px; }

button:focus-visible, a:focus-visible { outline: 3px solid #79a2ff; outline-offset: 4px; }
@media (max-width: 1100px) {
  .site-nav { grid-template-columns: 1fr auto; }
  .menu-button { display: grid; }
  .site-nav .nav-links { position: absolute; top: 82px; right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 10px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 18px 40px rgba(17,33,60,.12); }
  .site-nav.is-menu-open .nav-links { display: grid; }
  .site-nav .nav-links a { padding: 14px; border-radius: 10px; }
  .site-nav .nav-links a::after { display: none; }
  .site-nav .nav-links a.is-active { color: var(--blue-deep); background: var(--blue-soft); }
  .home-hero { padding: 44px 36px; gap: 20px; }
  .hero-copy h1 { font-size: clamp(2.75rem,5.2vw,3.5rem); }
  .hero-product { min-height: 440px; }
  .status-card-top { top: 1%; right: -12px; }
  .status-card-bottom { bottom: 1%; }
  .support-hero { padding: 42px; grid-template-columns: minmax(0,1fr); gap: 28px; }
  .support-hero aside { justify-self: start; }
  .live-chat-main { grid-template-columns: minmax(0,1fr); }
  .live-chat-intro { max-width: 760px; }
  .site-footer { grid-template-columns: auto 1fr; gap: 26px; }
  .site-footer > div { grid-column: 1/-1; justify-items: start; text-align: left; }
  .site-footer nav { justify-content: flex-end; }
}
@media (max-width: 820px) {
  .home-hero { grid-template-columns: minmax(0,1fr); padding: 44px 32px 30px; }
  .hero-copy { max-width: 100%; }
  .hero-copy h1 { font-size: clamp(3rem,7.5vw,4.25rem); }
  .hero-lede { max-width: 620px; }
  .hero-product { min-height: 450px; max-width: 560px; width: 100%; margin: 0 auto; }
  .hero-product img { width: min(88%,440px); }
  .status-card-top { top: 6%; right: 0; }
  .status-card-bottom { bottom: 6%; left: 0; }
  .section-heading, .app-showcase, .final-cta { grid-template-columns: minmax(0,1fr); gap: 30px; }
  .app-showcase { padding: 40px; }
  .app-visual { width: min(100%,380px); height: 540px; }
  .trust-strip { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px 24px; font-size: .8125rem; }
  .trust-strip i { display: none; }
  .support-option { padding: 26px; }
  .support-option h2 { font-size: 1.5rem; }
  .support-option-email { padding: 30px 80px 30px 30px; }
  .support-option-email h2 { font-size: 2rem; }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 82px; }
  .section-shell, .site-footer { width: calc(100% - 32px); }
  .site-nav { width: calc(100% - 32px); min-height: 80px; gap: 16px; }
  .brand { gap: 9px; font-size: 1.3125rem; }
  .brand img { width: 36px; height: 36px; }
  .nav-download { display: none; }
  .nav-actions { gap: 8px; }
  .language-trigger { width: 44px; height: 44px; padding: 0; }
  .language-trigger .language-code, .language-trigger .chevron { display: none; }
  .menu-button { width: 44px; height: 44px; }
  .language-list { position: fixed; top: 72px; right: 16px; left: 16px; width: auto; }
  .site-nav .nav-links { top: 70px; }
  .home-hero { width: calc(100% - 20px); padding: 34px 22px 24px; border-radius: 20px; }
  .eyebrow { margin-bottom: 18px; font-size: .75rem; letter-spacing: .06em; gap: 10px; }
  .hero-copy h1 { font-size: clamp(2.5rem,10.8vw,3.5rem); line-height: 1.1; }
  .hero-lede { margin-top: 22px; font-size: 1rem; }
  .hero-actions { gap: 10px; margin-top: 26px; }
  .hero-actions .button { flex: 1 1 160px; }
  .hero-proof { gap: 12px; margin-top: 28px; padding-top: 22px; }
  .hero-proof strong { font-size: 1.1875rem; }
  .hero-proof span { font-size: .75rem; }
  .hero-product { min-height: 370px; margin-top: 8px; }
  .hero-product img { width: 95%; }
  .status-card { gap: 10px; border-radius: 12px; }
  .status-card-top { top: 0; right: -8px; padding: 10px 12px; }
  .status-card-bottom { bottom: 0; left: -8px; padding: 10px 12px; }
  .status-card small { font-size: .75rem; }
  .status-card strong, .status-card-bottom span { font-size: .8125rem; }
  .status-card-bottom strong { font-size: 1.5rem; }
  .trust-strip { width: calc(100% - 44px); padding: 24px 0; }
  .feature-section { padding: 64px 0 32px; }
  .section-heading h2, .app-copy h2, .protection-copy h2, .final-cta h2 { font-size: clamp(2rem,8.5vw,2.75rem); }
  .section-heading > p { font-size: 1rem; }
  .feature-grid { grid-template-columns: minmax(0,1fr); gap: 14px; margin-top: 28px; }
  .feature-grid article { min-height: 0; padding: 26px; border-radius: 16px; }
  .feature-icon { margin-bottom: 26px; }
  .feature-grid h3 { font-size: 1.375rem; }
  .product-note { font-size: .75rem; }
  .app-showcase { margin-top: 24px; padding: 26px 22px; border-radius: 20px; }
  .app-visual { height: 460px; }
  .protection-banner { min-height: 550px; margin-top: 48px; border-radius: 20px; }
  .protection-copy { padding: 60px 26px; }
  .protection-overlay { background: linear-gradient(90deg,rgba(7,24,48,.93),rgba(7,24,48,.54)); }
  .final-cta { gap: 26px; margin-top: 48px; padding: 32px 24px; border-radius: 20px; }
  .support-main { padding-top: 12px; }
  .support-hero { min-height: 0; gap: 28px; padding: 34px 26px; border-radius: 20px; }
  .support-hero h1 { font-size: clamp(2.5rem,10vw,3.5rem); }
  .support-hero > div > p:last-child { font-size: 1rem; }
  .support-hero aside { width: 100%; padding: 16px; }
  .support-options { grid-template-columns: minmax(0,1fr); gap: 14px; margin-top: 18px; }
  .support-option { min-height: 262px; padding: 26px; border-radius: 18px; }
  .support-option h2 { font-size: 1.625rem; }
  .support-option p { font-size: .9375rem; }
  .card-arrow { top: 27px; right: 26px; }
  .support-option-email { grid-template-columns: minmax(0,1fr); min-height: 0; gap: 20px; }
  .support-option-email h2 { font-size: clamp(1.625rem,6.7vw,2rem); }
  .live-chat-main { padding-top: 26px; gap: 28px; }
  .back-link { margin-bottom: 28px; }
  .live-chat-intro h1 { font-size: clamp(2.5rem,10vw,3.5rem); }
  .live-chat-shell { border-radius: 16px; }
  .live-chat-shell > header { grid-template-columns: 38px minmax(0,1fr) 36px; gap: 10px; padding: 12px; }
  .chat-secure { display: none; }
  .live-chat-frame { min-height: 580px; height: 72svh; }
  .live-chat-shell > footer > span { display: none; }
  .live-chat-shell > footer { justify-content: flex-end; }
  .site-footer { grid-template-columns: minmax(0,1fr); gap: 24px; margin-top: 44px; padding: 28px 0; }
  .site-footer nav { justify-content: flex-start; gap: 12px 22px; }
  .site-footer > div { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* Language links remain reachable when scripts are unavailable. */
.noscript-languages { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 24px; padding: 24px; font-size: .875rem; }