/* NordVPN Clone - Homepage Styles */
:root {
    --nord-blue: #4687ff;
    --nord-blue-dark: #3a6fd9;
    --nord-cta: #ff6b5a;
    --nord-cta-hover: #ff5544;
    --nord-dark: #0b101a;
    --nord-dark-2: #111827;
    --nord-dark-3: #1a2332;
    --nord-gray: #f3f4f6;
    --nord-gray-2: #e5e7eb;
    --nord-text: #111827;
    --nord-text-muted: #6b7280;
    --nord-white: #ffffff;
    --nord-container: 1200px;
    --nord-radius: 16px;
    --nord-radius-lg: 24px;
    --nord-header-h: 72px;
    --nord-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.nord-page {
    margin: 0;
    max-width: 100%;
    overflow-x: hidden;
    font-family: var(--nord-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--nord-text);
    background: var(--nord-white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

.nord-container {
    max-width: var(--nord-container);
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.nord-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.nord-btn--primary {
    background: var(--nord-cta);
    color: var(--nord-white);
}

.nord-btn--primary:hover {
    background: var(--nord-cta-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(255, 107, 90, 0.35);
}

.nord-btn--cta {
    background: var(--nord-cta);
    color: var(--nord-white);
}

.nord-btn--cta:hover {
    background: var(--nord-cta-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 107, 90, 0.4);
}

.nord-btn--lg {
    padding: 16px 40px;
    font-size: 17px;
}

/* Top bar + Header */
.nord-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nord-ip-bar {
    background: #000;
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    height: 36px;
    display: flex;
    align-items: center;
}

.nord-ip-bar__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 6px;
    height: 36px;
    white-space: nowrap;
}

.nord-ip-bar strong { font-weight: 600; color: #fff; }

.nord-ip-bar__warn { color: #ff6b5a !important; }

.nord-ip-bar__dot { opacity: 0.5; }

.nord-header {
    background: rgba(11, 16, 26, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.nord-page:has(.nord-hero) .nord-header {
    background: #0a1628;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom-color: rgba(255, 255, 255, 0.06);
}

.nord-page:has(.nord-hero) .nord-top.is-scrolled .nord-header {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.nord-header__inner {
    max-width: min(1280px, 100%);
    margin: 0 auto;
    padding: 0 24px;
    height: var(--nord-header-h);
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 16px;
}

.nord-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.nord-logo img {
    display: block;
    width: 148px;
    height: auto;
}

.nord-logo__light { display: none; }
.nord-logo__dark { display: block; }

.nord-page:has(.nord-hero) .nord-logo__light { display: block; }
.nord-page:has(.nord-hero) .nord-logo__dark { display: none; }

.nord-page:has(.nord-hero) .nord-top.is-scrolled .nord-logo__light { display: none; }
.nord-page:has(.nord-hero) .nord-top.is-scrolled .nord-logo__dark { display: block; }

.nord-nav {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    align-items: center;
}

.nord-nav__list {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nord-nav__item {
    position: relative;
    flex-shrink: 0;
}

.nord-nav__link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 11px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    line-height: 1.2;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.nord-nav__link > span {
    white-space: nowrap;
}

.nord-page:has(.nord-hero) .nord-nav__link { color: rgba(255, 255, 255, 0.9); }
.nord-page:has(.nord-hero) .nord-nav__link:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.nord-page:has(.nord-hero) .nord-top.is-scrolled .nord-nav__link { color: #374151; }
.nord-page:has(.nord-hero) .nord-top.is-scrolled .nord-nav__link:hover { background: rgba(0, 0, 0, 0.05); color: #111827; }

.nord-nav__link:hover { background: rgba(255, 255, 255, 0.08); color: var(--nord-white); }

.nord-nav__arrow {
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    opacity: 0.6;
    flex-shrink: 0;
}

.nord-nav__dropdown,
.nord-nav__mega {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}

.nord-nav__dropdown {
    min-width: 200px;
    padding: 8px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.nord-nav__mega {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 32px;
    min-width: 480px;
    padding: 24px 28px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.14);
}

.nord-nav__item--has-sub:hover .nord-nav__dropdown,
.nord-nav__item--mega:hover .nord-nav__mega {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nord-nav__dropdown a,
.nord-nav__mega a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    color: #374151;
    font-size: 14px;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
}

.nord-nav__dropdown a:hover,
.nord-nav__mega a:hover { background: #f3f4f6; color: #111827; }

.nord-nav__mega-col h4 {
    margin: 0 0 12px;
    padding: 0 12px;
    font-size: 13px;
    font-weight: 700;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.nord-nav__mega-more {
    color: var(--nord-blue) !important;
    font-weight: 600;
}

.nord-badge-new {
    display: inline-block;
    padding: 1px 6px;
    background: #ede9fe;
    color: #7c3aed;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    line-height: 1.4;
}

.nord-header__actions {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 4px;
    flex-shrink: 0;
    margin-left: auto;
}

.nord-header__util {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 9px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    line-height: 1.2;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.nord-header__cta {
    margin-left: 8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.nord-page:has(.nord-hero) .nord-header__util { color: rgba(255, 255, 255, 0.9); }
.nord-page:has(.nord-hero) .nord-header__util:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.nord-page:has(.nord-hero) .nord-top.is-scrolled .nord-header__util { color: #374151; }
.nord-page:has(.nord-hero) .nord-top.is-scrolled .nord-header__util:hover { background: rgba(0, 0, 0, 0.05); color: #111827; }

.nord-header__util:hover { color: var(--nord-white); }

/* Language switcher */
.nord-lang {
    position: relative;
}
.nord-lang__toggle {
    gap: 4px;
}
.nord-lang__caret {
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 2px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    opacity: 0.75;
}
.nord-lang__menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 80;
    min-width: 200px;
    max-height: 320px;
    overflow: auto;
    margin: 0;
    padding: 8px 0;
    list-style: none;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.16);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}
.nord-lang.is-open .nord-lang__menu,
.nord-lang[data-open="true"] .nord-lang__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.nord-lang__item {
    display: block;
    width: 100%;
    padding: 10px 16px;
    border: 0;
    background: transparent;
    color: #1f2937;
    font-size: 14px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
}
.nord-lang__item:hover,
.nord-lang__item.is-active {
    background: #f3f4f6;
    color: #4687ff;
}
.nord-lang.is-open .nord-lang__toggle,
.nord-lang[data-open="true"] .nord-lang__toggle {
    background: rgba(0, 0, 0, 0.05);
}
.nord-page:has(.nord-hero) .nord-lang.is-open .nord-lang__toggle,
.nord-page:has(.nord-page-hero) .nord-lang.is-open .nord-lang__toggle,
.nord-page:has(.nord-article) .nord-lang.is-open .nord-lang__toggle {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}
.nord-mobile-nav__lang {
    display: flex;
    gap: 8px;
    padding: 16px 0 8px;
    border-bottom: none !important;
}
.nord-mobile-nav__lang .nord-lang__item {
    flex: 1;
    text-align: center;
    border-radius: 999px;
    background: #f3f4f6;
    padding: 12px 16px;
}
.nord-mobile-nav__lang .nord-lang__item.is-active {
    background: #4687ff;
    color: #fff;
}

.nord-header__menu-btn {
    display: none;
    position: relative;
    width: 40px;
    height: 40px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 2;
}

.nord-page:has(.nord-hero) .nord-header__menu-btn span { background: #fff; }
.nord-page:has(.nord-hero) .nord-top.is-scrolled .nord-header__menu-btn span { background: #374151; }
.nord-page:has(.nord-page-hero) .nord-header__menu-btn span { background: #fff; }
.nord-page:has(.nord-page-hero) .nord-top.is-scrolled .nord-header__menu-btn span { background: #374151; }
.nord-page:has(.nord-article) .nord-header__menu-btn span { background: #fff; }
.nord-page:has(.nord-article) .nord-top.is-scrolled .nord-header__menu-btn span { background: #374151; }

.nord-header__menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--nord-white);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
    transform-origin: center;
}

.nord-header__menu-btn.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nord-header__menu-btn.is-open span:nth-child(2) {
    opacity: 0;
}
.nord-header__menu-btn.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nord-mobile-backdrop {
    display: none;
}

.nord-mobile-nav {
    display: none;
}

body.nord-menu-open {
    overflow: hidden;
    touch-action: none;
}

.nord-page:has(.nord-hero) .nord-main { padding-top: 0; }

.nord-main { padding-top: calc(36px + var(--nord-header-h)); }

/* Sections */
.nord-section { padding: 80px 0; }

.nord-section--light { background: var(--nord-white); }

.nord-section--gray { background: var(--nord-gray); }

.nord-section__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    text-align: center;
    margin: 0 0 48px;
    letter-spacing: -0.02em;
}

.nord-section__head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

.nord-section__head h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
}

.nord-section__head p {
    font-size: 18px;
    color: var(--nord-text-muted);
    margin: 0;
}

/* Hero — full-bleed banner with centered overlay (NordVPN style) */
.nord-hero {
    position: relative;
    min-height: 720px;
    height: clamp(640px, 78vh, 900px);
    overflow: hidden;
    background: #0a2a6e;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nord-hero__picture {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.nord-hero__picture img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    object-fit: cover;
    object-position: center center;
}

.nord-hero__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: var(--nord-container);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(36px + var(--nord-header-h) + 16px) 24px 56px;
    box-sizing: border-box;
}

.nord-hero__content {
    width: 100%;
    max-width: 760px;
    text-align: center;
}

.nord-hero__title {
    margin: 0;
    letter-spacing: -0.03em;
    max-width: 760px;
    overflow-wrap: anywhere;
}

.nord-hero__title-line {
    display: block;
    color: #1a1a2e;
    font-weight: 800;
    line-height: 1.1;
}

.nord-hero__title-line:first-child {
    font-size: clamp(32px, 4.2vw, 48px);
    margin-bottom: 4px;
}

.nord-hero__title-line--lg {
    font-size: clamp(40px, 5.5vw, 56px);
}

.nord-hero__brand {
    color: #4687ff;
    white-space: nowrap;
}

.nord-hero__title sup {
    font-size: 0.42em;
    font-weight: 700;
    vertical-align: super;
}

.nord-hero__subtitle {
    margin: 20px 0 28px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    font-size: clamp(18px, 2.2vw, 26px);
    font-weight: 500;
    color: #2d2d3a;
    line-height: 1.4;
}

.nord-hero__hl {
    font-weight: 700;
    color: #c026d3;
}

.nord-hero__offer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 0 auto 28px;
    font-size: clamp(15px, 1.5vw, 18px);
    color: #374151;
    line-height: 1.45;
    max-width: 520px;
}

.nord-hero__offer strong {
    color: #1a1a2e;
    font-weight: 700;
}

.nord-hero__offer sup {
    font-size: 0.65em;
}

.nord-hero__offer-icon {
    flex-shrink: 0;
    line-height: 0;
    filter: drop-shadow(0 4px 12px rgba(70, 135, 255, 0.35));
}

.nord-hero__actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.nord-hero__actions .nord-btn--cta {
    min-width: 200px;
    box-shadow: 0 10px 28px rgba(255, 107, 90, 0.35);
}

.nord-hero__guarantee {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 14px;
    color: #6b7280;
}

.nord-hero__guarantee svg {
    flex-shrink: 0;
    opacity: 0.85;
}

@media (max-width: 767px) {
    .nord-hero {
        min-height: 720px;
        height: auto;
        aspect-ratio: auto;
        padding-bottom: 48px;
    }

    .nord-hero__picture img {
        object-position: 62% center;
    }

    .nord-hero__inner {
        padding-top: calc(32px + var(--nord-header-h) + 24px);
        padding-bottom: 32px;
    }

    .nord-hero__content {
        max-width: 100%;
    }

    .nord-hero__title-line:first-child {
        font-size: clamp(28px, 8vw, 36px);
    }

    .nord-hero__title-line--lg {
        font-size: clamp(34px, 9.5vw, 44px);
    }

    .nord-hero__subtitle {
        font-size: 18px;
        margin: 16px 0 22px;
    }

    .nord-hero__offer {
        flex-direction: row;
        text-align: left;
        font-size: 15px;
        gap: 10px;
        padding: 0 8px;
    }
}

@media (max-width: 480px) {
    .nord-hero__title {
        letter-spacing: -0.02em;
    }

    .nord-hero__title-line:first-child {
        font-size: clamp(26px, 8vw, 32px);
    }

    .nord-hero__title-line--lg {
        font-size: clamp(30px, 9.4vw, 38px);
    }

    .nord-hero__subtitle {
        max-width: 21em;
        font-size: 16px;
        line-height: 1.6;
    }

    .nord-hero__picture img {
        object-position: 70% 40%;
    }
}

/* Next-gen Antivirus (第二屏) */
.nord-antivirus {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #060d18 0%, #0a1628 35%, #0f2a4a 70%, #1a4a7a 100%);
    padding: 0px 0 0;
}

.nord-antivirus__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    min-height: 520px;
}

.nord-antivirus__text {
    padding: 40px 0 80px;
    max-width: 520px;
}

.nord-antivirus__text h2 {
    margin: 0 0 24px;
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: #fff;
}

.nord-antivirus__text p {
    margin: 0;
    font-size: clamp(16px, 1.8vw, 18px);
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.78);
}

.nord-antivirus__visual {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    align-self: end;
    line-height: 0;
}

.nord-antivirus__visual img {
    width: 100%;
    max-width: 520px;
    height: auto;
    object-fit: contain;
    object-position: bottom center;
}

@media (max-width: 991px) {
    .nord-antivirus {
        padding: 64px 0 0;
    }

    .nord-antivirus__inner {
        grid-template-columns: 1fr;
        gap: 32px;
        min-height: auto;
    }

    .nord-antivirus__text {
        padding: 0 0 16px;
        max-width: 100%;
        text-align: center;
    }

    .nord-antivirus__visual img {
        max-width: 420px;
        margin: 0 auto;
    }
}

@media (max-width: 640px) {
    .nord-antivirus {
        padding: 48px 0 0;
    }

    .nord-antivirus__visual img {
        max-width: 320px;
    }
}

/* 第三屏：三卡 hover 切换 */
.nord-tiles {
    padding: 88px 0;
    background: #f7f8fa;
}

.nord-tiles__head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 48px;
}

.nord-tiles__head h2 {
    margin: 0 0 16px;
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #111827;
}

.nord-tiles__head h2 sup {
    font-size: 0.5em;
    font-weight: 700;
}

.nord-tiles__head p {
    margin: 0;
    font-size: 17px;
    line-height: 1.65;
    color: #374151;
}

.nord-tiles__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.nord-tile-card {
    position: relative;
    min-height: 520px;
    border-radius: 24px;
    overflow: hidden;
    background: #eceff3;
    transition: background 0.45s ease, box-shadow 0.45s ease;
    cursor: pointer;
}

.nord-tile-card__label {
    position: absolute;
    top: 28px;
    left: 28px;
    z-index: 3;
    font-size: clamp(32px, 3vw, 42px);
    font-weight: 800;
    line-height: 1;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
    transition: color 0.45s ease, text-shadow 0.45s ease;
}

.nord-tile-card__media {
    position: absolute;
    inset: 0;
}

.nord-tile-card__media::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, transparent 35%);
    pointer-events: none;
    transition: opacity 0.45s ease;
}

.nord-tile-card:hover .nord-tile-card__media::after,
.nord-tile-card.is-active .nord-tile-card__media::after {
    opacity: 0;
}

.nord-tile-card__person,
.nord-tile-card__ui {
    position: absolute;
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.nord-tile-card__person {
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.nord-tile-card__ui {
    top: 50%;
    left: 50%;
    width: 78%;
    max-width: 320px;
    height: auto;
    opacity: 0;
    transform: translate(-50%, -42%) scale(0.96);
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.nord-tile-card__panel {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 4;
    padding: 28px;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.45s ease, transform 0.45s ease;
    pointer-events: none;
}

.nord-tile-card__panel h3 {
    margin: 0 0 12px;
    font-size: 22px;
    font-weight: 800;
    color: #fff;
}

.nord-tile-card__panel p {
    margin: 0 0 20px;
    font-size: 14px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.82);
}

.nord-tile-card__panel sup {
    font-size: 0.7em;
}

.nord-tile-card__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    border: 1.5px solid rgba(255, 255, 255, 0.55);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s;
    pointer-events: auto;
}

.nord-tile-card__btn span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: 1.5px solid rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    font-size: 16px;
    line-height: 1;
}

.nord-tile-card__btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
}

/* hover / 触摸激活 */
.nord-tile-card:hover,
.nord-tile-card.is-active {
    background: linear-gradient(180deg, #2a1f4e 0%, #120a24 45%, #060d18 100%);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}

.nord-tile-card:hover .nord-tile-card__label,
.nord-tile-card.is-active .nord-tile-card__label {
    color: #fff;
}

.nord-tile-card:hover .nord-tile-card__person,
.nord-tile-card.is-active .nord-tile-card__person {
    opacity: 0;
    transform: scale(1.04);
}

.nord-tile-card:hover .nord-tile-card__ui,
.nord-tile-card.is-active .nord-tile-card__ui {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.nord-tile-card:hover .nord-tile-card__panel,
.nord-tile-card.is-active .nord-tile-card__panel {
    opacity: 1;
    transform: translateY(0);
}

.nord-tiles__note {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    font-size: 17px;
    color: #6b7280;
    line-height: 1.75;
}

@media (max-width: 991px) {
    .nord-tiles__grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

    .nord-tile-card {
        min-height: 480px;
    }
}

@media (max-width: 640px) {
    .nord-tiles {
        padding: 64px 0;
    }
}

/* Why VPN */
.nord-why__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.nord-why__item { text-align: center; padding: 24px; }

.nord-why__icon {
    color: var(--nord-blue);
    margin-bottom: 20px;
}

.nord-why__item h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 12px;
}

.nord-why__item p {
    font-size: 15px;
    color: var(--nord-text-muted);
    margin: 0;
}

/* App Split */
.nord-app-split__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.nord-app-split__text h2 {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    margin: 0 0 32px;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.nord-app-split__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nord-app-split__list li {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.nord-app-split__check {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--nord-blue);
    position: relative;
    margin-top: 2px;
}

.nord-app-split__check::after {
    content: '';
    position: absolute;
    left: 8px;
    top: 5px;
    width: 6px;
    height: 10px;
    border: 2px solid white;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

.nord-app-split__list strong {
    display: block;
    font-size: 16px;
    margin-bottom: 4px;
}

.nord-app-split__list p {
    font-size: 15px;
    color: var(--nord-text-muted);
    margin: 0;
}

.nord-app-split__visual img {
    width: 100%;
    border-radius: var(--nord-radius-lg);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.12);
}

/* Stats */
.nord-stats {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--nord-white);
}

.nord-stats__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    text-align: center;
}

.nord-stats__num {
    display: block;
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 8px;
}

.nord-stats__label {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
}

.nord-stats__bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    margin-top: 16px;
    overflow: hidden;
}

.nord-stats__bar span {
    display: block;
    height: 100%;
    background: var(--nord-cta);
    border-radius: 999px;
}

.nord-stats__item--highlight .nord-stats__num { color: var(--nord-cta); }

/* Privacy Banner */
.nord-privacy-banner {
    background: var(--nord-dark);
    color: var(--nord-white);
}

.nord-privacy-banner__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.nord-privacy-banner__text h2 {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    margin: 0 0 20px;
    letter-spacing: -0.02em;
}

.nord-privacy-banner__text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    margin: 0 0 28px;
    line-height: 1.7;
}

.nord-privacy-banner__visual img {
    width: 100%;
    border-radius: var(--nord-radius-lg);
}

/* Reviews */
.nord-reviews__badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.nord-reviews__badge { text-align: center; }

.nord-reviews__badge img {
    height: 80px;
    width: auto;
    margin: 0 auto 12px;
}

.nord-reviews__badge p {
    font-size: 13px;
    color: var(--nord-text-muted);
    margin: 0;
}

.nord-trustpilot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.nord-trustpilot__stars { color: #00b67a; font-size: 24px; letter-spacing: 2px; }

.nord-trustpilot strong { font-size: 32px; }

.nord-reviews__cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.nord-review-card {
    background: var(--nord-gray);
    border-radius: var(--nord-radius-lg);
    padding: 32px;
    margin: 0;
}

.nord-review-card p {
    font-size: 16px;
    line-height: 1.7;
    margin: 0 0 24px;
    color: var(--nord-text);
}

.nord-review-card footer {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nord-review-card footer img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.nord-review-card footer strong { display: block; font-size: 14px; }

.nord-review-card footer span { font-size: 13px; color: var(--nord-text-muted); }

/* Platforms */
.nord-platforms { background: var(--nord-gray); text-align: center; }

.nord-platforms__desc {
    max-width: 640px;
    margin: -32px auto 48px;
    color: var(--nord-text-muted);
    font-size: 16px;
}

.nord-platforms__icons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
}

.nord-platform-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--nord-text-muted);
    transition: color 0.2s;
}

.nord-platform-icon:hover { color: var(--nord-blue); }

.nord-platform-icon span { font-size: 13px; }

/* Security Banner */
.nord-security-banner {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.nord-security-banner__bg {
    position: absolute;
    inset: 0;
}

.nord-security-banner__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nord-security-banner__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(11, 16, 26, 0.85) 0%, rgba(11, 16, 26, 0.4) 100%);
}

.nord-security-banner__content {
    position: relative;
    z-index: 1;
    max-width: 560px;
    color: var(--nord-white);
}

.nord-security-banner__content h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
}

.nord-security-banner__content p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 28px;
    line-height: 1.6;
}

/* VPN Info */
.nord-vpn-info__inner {
    max-width: 800px;
    text-align: center;
}

.nord-vpn-info__inner h2 {
    font-size: 32px;
    font-weight: 800;
    margin: 0 0 20px;
}

.nord-vpn-info__inner > p {
    font-size: 17px;
    color: var(--nord-text-muted);
    line-height: 1.8;
    margin: 0 0 32px;
}

.nord-vpn-info__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 32px;
}

.nord-vpn-info__links a {
    color: var(--nord-blue);
    font-weight: 600;
    font-size: 15px;
    transition: color 0.2s;
}

.nord-vpn-info__links a:hover { color: var(--nord-blue-dark); text-decoration: underline; }

/* FAQ */
.nord-faq__list { max-width: 800px; margin: 0 auto; }

.nord-faq__item {
    border-bottom: 1px solid var(--nord-gray-2);
}

.nord-faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 0;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    color: var(--nord-text);
    transition: color 0.2s;
}

.nord-faq__question:hover { color: var(--nord-blue); }

.nord-faq__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    position: relative;
}

.nord-faq__icon::before,
.nord-faq__icon::after {
    content: '';
    position: absolute;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.3s;
}

.nord-faq__icon::before {
    width: 14px;
    height: 2px;
    top: 11px;
    left: 5px;
}

.nord-faq__icon::after {
    width: 2px;
    height: 14px;
    top: 5px;
    left: 11px;
}

.nord-faq__item.is-open .nord-faq__icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.nord-faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.nord-faq__item.is-open .nord-faq__answer {
    max-height: 300px;
    padding-bottom: 24px;
}

.nord-faq__answer p {
    font-size: 16px;
    color: var(--nord-text-muted);
    line-height: 1.7;
    margin: 0;
}

/* Bottom CTA */
.nord-bottom-cta {
    background: linear-gradient(180deg, var(--nord-gray) 0%, var(--nord-white) 100%);
    text-align: center;
}

.nord-bottom-cta__inner h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin: 0 0 28px;
    letter-spacing: -0.02em;
}

.nord-bottom-cta__inner p {
    margin: 16px 0 0;
    font-size: 14px;
    color: var(--nord-text-muted);
}

/* Footer */
.nord-footer {
    background: var(--nord-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 64px 0 32px;
}

.nord-footer__social {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.nord-footer__social a {
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s;
}

.nord-footer__social a:hover { color: var(--nord-white); }

.nord-footer__stores {
    display: flex;
    gap: 12px;
    margin-bottom: 48px;
}

.nord-store-badge {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    font-size: 13px;
    color: var(--nord-white);
    transition: background 0.2s;
}

.nord-store-badge:hover { background: rgba(255, 255, 255, 0.15); }

.nord-footer__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.nord-footer__col h4 {
    color: var(--nord-white);
    font-size: 14px;
    font-weight: 700;
    margin: 0 0 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nord-footer__col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nord-footer__col li { margin-bottom: 10px; }

.nord-footer__col a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s;
}

.nord-footer__col a:hover { color: var(--nord-white); }

.nord-footer__payments {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 24px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.nord-footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
}

.nord-footer__bottom p { margin: 0; }

.nord-footer__legal {
    display: flex;
    gap: 24px;
}

.nord-footer__legal a {
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s;
}

.nord-footer__legal a:hover { color: var(--nord-white); }

/* ========== 内页通用 Hero ========== */
.nord-page-hero {
    background: linear-gradient(135deg, #060d18 0%, #0f2847 55%, #1a4a7a 100%);
    color: #fff;
    padding: calc(36px + var(--nord-header-h) + 48px) 0 64px;
}

.nord-page:has(.nord-page-hero) .nord-main { padding-top: 0; }

.nord-page:has(.nord-page-hero) .nord-header {
    background: #0a1628;
    border-bottom-color: rgba(255, 255, 255, 0.06);
}

.nord-page:has(.nord-page-hero) .nord-logo__light { display: block; }
.nord-page:has(.nord-page-hero) .nord-logo__dark { display: none; }
.nord-page:has(.nord-page-hero) .nord-top.is-scrolled .nord-logo__light { display: none; }
.nord-page:has(.nord-page-hero) .nord-top.is-scrolled .nord-logo__dark { display: block; }

.nord-page:has(.nord-page-hero) .nord-nav__link { color: rgba(255, 255, 255, 0.9); }
.nord-page:has(.nord-page-hero) .nord-nav__link:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.nord-page:has(.nord-page-hero) .nord-top.is-scrolled .nord-nav__link { color: #374151; }
.nord-page:has(.nord-page-hero) .nord-top.is-scrolled .nord-nav__link:hover { background: rgba(0, 0, 0, 0.05); color: #111827; }

.nord-page:has(.nord-page-hero) .nord-header__util { color: rgba(255, 255, 255, 0.9); }
.nord-page:has(.nord-page-hero) .nord-header__util:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.nord-page:has(.nord-page-hero) .nord-top.is-scrolled .nord-header__util { color: #374151; }
.nord-page:has(.nord-page-hero) .nord-header__menu-btn span { background: #fff; }
.nord-page:has(.nord-page-hero) .nord-top.is-scrolled .nord-header__menu-btn span { background: #374151; }
.nord-page:has(.nord-page-hero) .nord-top.is-scrolled .nord-header {
    background: rgba(255, 255, 255, 0.96);
    border-bottom-color: rgba(0, 0, 0, 0.06);
}

.nord-page-hero__inner {
    max-width: 720px;
    text-align: center;
    margin: 0 auto;
}

.nord-page-hero__inner h1 {
    margin: 0 0 16px;
    font-size: clamp(32px, 4.5vw, 48px);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nord-page-hero__inner > p {
    margin: 0 0 28px;
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.78);
}

.nord-page-hero__tip {
    margin: 16px 0 0 !important;
    font-size: 14px !important;
    color: rgba(255, 255, 255, 0.55) !important;
}

/* ========== 下载页 ========== */
.nord-download {
    padding: 72px 0 96px;
    background: #f7f8fa;
}

.nord-download__head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}

.nord-download__head h2 {
    margin: 0 0 12px;
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
    color: #111827;
}

.nord-download__head p {
    margin: 0;
    color: #6b7280;
    font-size: 16px;
}

.nord-download__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.nord-download-card {
    background: #fff;
    border-radius: 20px;
    padding: 32px 28px;
    box-shadow: 0 8px 32px rgba(0, 34, 102, 0.06);
    display: flex;
    flex-direction: column;
    transition: transform 0.25s, box-shadow 0.25s;
}

.nord-download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 34, 102, 0.1);
}

.nord-download-card__icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: #eef4ff;
    color: var(--nord-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.nord-download-card h3 {
    margin: 0 0 10px;
    font-size: 22px;
    font-weight: 800;
    color: #111827;
}

.nord-download-card > p {
    margin: 0 0 16px;
    font-size: 15px;
    line-height: 1.65;
    color: #6b7280;
    flex: 1;
}

.nord-download-card__meta {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.nord-download-card__meta li {
    padding: 4px 10px;
    background: #f3f4f6;
    border-radius: 999px;
    font-size: 12px;
    color: #4b5563;
}

.nord-download-card .nord-btn {
    width: 100%;
}

.nord-download__more {
    margin-top: 72px;
}

.nord-download__more h2 {
    margin: 0 0 24px;
    font-size: 28px;
    font-weight: 800;
    text-align: center;
}

.nord-download__list {
    display: grid;
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
}

.nord-download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: #fff;
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.2s;
}

.nord-download-item:hover { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08); }

.nord-download-item h3 {
    margin: 0 0 6px;
    font-size: 17px;
    font-weight: 700;
}

.nord-download-item p {
    margin: 0;
    font-size: 14px;
    color: #6b7280;
}

.nord-download-item__btn {
    flex-shrink: 0;
    padding: 8px 16px;
    border-radius: 999px;
    background: #eef4ff;
    color: var(--nord-blue);
    font-size: 14px;
    font-weight: 600;
}

.nord-download__steps {
    margin-top: 72px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 34, 102, 0.06);
}

.nord-download__steps h2 {
    margin: 0 0 24px;
    font-size: 24px;
    font-weight: 800;
    text-align: center;
}

.nord-download__steps ol {
    margin: 0;
    padding-left: 20px;
}

.nord-download__steps li {
    margin-bottom: 16px;
    font-size: 15px;
    line-height: 1.7;
    color: #4b5563;
}

.nord-download__steps li:last-child { margin-bottom: 0; }

.nord-download__steps strong { color: #111827; }

/* ========== 学习中心 / 新闻列表 ========== */
.nord-news {
    padding: 56px 0 88px;
    background: #f7f8fa;
}

.nord-news__layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

.nord-news-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 8px 28px rgba(0, 34, 102, 0.05);
    transition: transform 0.25s, box-shadow 0.25s;
}

.nord-news-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(0, 34, 102, 0.09);
}

.nord-news-card__media {
    display: block;
    aspect-ratio: 16/11;
    overflow: hidden;
    background: #e5e7eb;
}

.nord-news-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.nord-news-card:hover .nord-news-card__media img {
    transform: scale(1.04);
}

.nord-news-card__body {
    padding: 24px 24px 24px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.nord-news-card__meta {
    display: flex;
    gap: 8px;
    font-size: 13px;
    color: #9ca3af;
    margin-bottom: 10px;
}

.nord-news-card__body h2 {
    margin: 0 0 10px;
    font-size: 20px;
    font-weight: 800;
    line-height: 1.35;
}

.nord-news-card__body h2 a {
    color: #111827;
    text-decoration: none;
}

.nord-news-card__body h2 a:hover { color: var(--nord-blue); }

.nord-news-card__body > p {
    margin: 0 0 14px;
    font-size: 15px;
    line-height: 1.65;
    color: #6b7280;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nord-news-card__more {
    color: var(--nord-blue);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
}

.nord-news__empty {
    padding: 48px;
    text-align: center;
    color: #9ca3af;
    background: #fff;
    border-radius: 16px;
}

.nord-news-side-card {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 8px 28px rgba(0, 34, 102, 0.05);
}

.nord-news-side-card h3 {
    margin: 0 0 16px;
    font-size: 16px;
    font-weight: 800;
    color: #111827;
}

.nord-news-side-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nord-news-side-card li { margin-bottom: 10px; }

.nord-news-side-card a {
    color: #4b5563;
    font-size: 14px;
    text-decoration: none;
}

.nord-news-side-card a:hover { color: var(--nord-blue); }

.nord-news-side-card--cta {
    background: linear-gradient(145deg, #0a1628, #1a3a6a);
    color: #fff;
}

.nord-news-side-card--cta h3 { color: #fff; }

.nord-news-side-card--cta p {
    margin: 0 0 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
}

/* ========== 文章详情 ========== */
.nord-article {
    padding: calc(36px + var(--nord-header-h) + 32px) 0 88px;
    background: #fff;
}

.nord-page:has(.nord-article) .nord-main { padding-top: 0; }

.nord-page:has(.nord-article) .nord-header {
    background: #0a1628;
}

.nord-page:has(.nord-article) .nord-logo__light { display: block; }
.nord-page:has(.nord-article) .nord-logo__dark { display: none; }
.nord-page:has(.nord-article) .nord-top.is-scrolled .nord-logo__light { display: none; }
.nord-page:has(.nord-article) .nord-top.is-scrolled .nord-logo__dark { display: block; }
.nord-page:has(.nord-article) .nord-nav__link,
.nord-page:has(.nord-article) .nord-header__util { color: rgba(255, 255, 255, 0.9); }
.nord-page:has(.nord-article) .nord-header__menu-btn span { background: #fff; }
.nord-page:has(.nord-article) .nord-top.is-scrolled .nord-header {
    background: rgba(255, 255, 255, 0.96);
}
.nord-page:has(.nord-article) .nord-top.is-scrolled .nord-nav__link,
.nord-page:has(.nord-article) .nord-top.is-scrolled .nord-header__util { color: #374151; }
.nord-page:has(.nord-article) .nord-top.is-scrolled .nord-header__menu-btn span { background: #374151; }

.nord-article__inner { max-width: 800px; }

.nord-article__crumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    font-size: 13px;
    color: #9ca3af;
    margin-bottom: 28px;
}

.nord-article__crumb a {
    color: #6b7280;
    text-decoration: none;
}

.nord-article__crumb a:hover { color: var(--nord-blue); }

.nord-article__header h1 {
    margin: 0 0 16px;
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: #111827;
}

.nord-article__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 14px;
    color: #9ca3af;
    margin-bottom: 32px;
}

.nord-article__cover {
    margin-bottom: 36px;
    border-radius: 16px;
    overflow: hidden;
}

.nord-article__cover img {
    width: 100%;
    height: auto;
    display: block;
}

.nord-article__content {
    font-size: 17px;
    line-height: 1.85;
    color: #374151;
}

.nord-article__content h2,
.nord-article__content h3 {
    margin: 32px 0 14px;
    color: #111827;
    font-weight: 800;
}

.nord-article__content p { margin: 0 0 18px; }

.nord-article__content ul,
.nord-article__content ol {
    margin: 0 0 18px;
    padding-left: 22px;
}

.nord-article__content li { margin-bottom: 8px; }

.nord-article__content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 16px 0;
}

.nord-article__locked {
    padding: 24px;
    background: #f3f4f6;
    border-radius: 12px;
    text-align: center;
    color: #6b7280;
}

.nord-article__cta {
    margin: 48px 0;
    padding: 40px;
    text-align: center;
    background: linear-gradient(145deg, #0a1628, #1a3a6a);
    border-radius: 20px;
    color: #fff;
}

.nord-article__cta h3 {
    margin: 0 0 10px;
    font-size: 24px;
    font-weight: 800;
}

.nord-article__cta p {
    margin: 0 0 20px;
    color: rgba(255, 255, 255, 0.75);
}

.nord-article__related {
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid #e5e7eb;
}

.nord-article__related h3 {
    margin: 0 0 24px;
    font-size: 22px;
    font-weight: 800;
}

.nord-article__related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.nord-related-card {
    text-decoration: none;
    color: inherit;
}

.nord-related-card img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 12px;
    background: #e5e7eb;
}

.nord-related-card h4 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.45;
    color: #111827;
}

.nord-related-card:hover h4 { color: var(--nord-blue); }

.nord-news .pager,
.nord-download .pager {
    margin-top: 32px;
    text-align: center;
}

.nord-news .pagination,
.nord-download .pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nord-news .pagination li a,
.nord-news .pagination li span,
.nord-download .pagination li a,
.nord-download .pagination li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: 8px;
    font-size: 14px;
    color: #4b5563;
    text-decoration: none;
}

.nord-news .pagination .active span,
.nord-download .pagination .active span {
    background: var(--nord-blue);
    color: #fff;
}

@media (min-width: 1201px) {
    .nord-header__inner {
        gap: 12px 20px;
    }
    .nord-nav__link {
        padding: 8px 12px;
        font-size: 15px;
    }
    .nord-header__util {
        padding: 8px 10px;
    }
    .nord-header__menu-btn { display: none !important; }
}

@media (min-width: 1400px) {
    .nord-header__inner {
        max-width: 1320px;
        padding: 0 32px;
    }
}

/* Responsive — desktop nav needs room for one-line English labels */
@media (max-width: 1200px) {
    .nord-nav { display: none; }
    .nord-header__util--desk { display: none !important; }
    .nord-lang { display: block; }
    .nord-lang .nord-header__util--icon { display: inline-flex; }
    .nord-header__menu-btn { display: flex; }
    .nord-header__inner {
        padding: 0 16px;
        gap: 12px;
        height: 64px;
    }
    .nord-logo img { width: 132px; }
    :root { --nord-header-h: 64px; }

    .nord-mobile-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        top: calc(36px + var(--nord-header-h));
        z-index: 998;
        background: rgba(10, 16, 28, 0.45);
    }
    .nord-mobile-backdrop[hidden] { display: none !important; }

    .nord-mobile-nav {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: calc(36px + var(--nord-header-h));
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 999;
        background: #fff;
        padding: 0;
        border-top: 1px solid rgba(0, 0, 0, 0.06);
        box-shadow: none;
    }
    .nord-mobile-nav[hidden] { display: none !important; }

    .nord-mobile-nav__scroll {
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: 8px 20px 24px;
    }

    .nord-mobile-nav__list {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .nord-mobile-nav__list > li {
        border-bottom: 1px solid #eef0f3;
    }

    .nord-mobile-nav__link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 18px 4px;
        border: 0;
        background: none;
        color: #111827;
        font-size: 18px;
        font-weight: 600;
        font-family: inherit;
        text-align: left;
        text-decoration: none;
        cursor: pointer;
        line-height: 1.3;
    }

    .nord-mobile-nav__chev {
        width: 10px;
        height: 10px;
        border-right: 2px solid #9ca3af;
        border-bottom: 2px solid #9ca3af;
        transform: rotate(45deg);
        transition: transform 0.2s ease;
        flex-shrink: 0;
        margin-right: 4px;
    }

    .nord-mobile-nav__item--acc.is-open .nord-mobile-nav__chev {
        transform: rotate(-135deg);
        margin-top: 4px;
    }

    .nord-mobile-nav__panel {
        display: none;
        padding: 0 4px 12px 12px;
    }

    .nord-mobile-nav__item--acc.is-open .nord-mobile-nav__panel {
        display: block;
    }

    .nord-mobile-nav__panel a {
        display: block;
        padding: 12px 8px;
        color: #4b5563;
        font-size: 16px;
        font-weight: 500;
        text-decoration: none;
        border-radius: 8px;
    }

    .nord-mobile-nav__panel a:active,
    .nord-mobile-nav__panel a:hover {
        background: #f3f4f6;
        color: #111827;
    }

    .nord-mobile-nav__more {
        color: #4687ff !important;
        font-weight: 600 !important;
    }

    .nord-mobile-nav__divider {
        height: 8px;
        background: #f7f8fa;
        border-bottom: none !important;
        margin: 8px -20px;
    }

    .nord-mobile-nav__footer {
        flex-shrink: 0;
        padding: 16px 20px calc(16px + env(safe-area-inset-bottom));
        border-top: 1px solid #eef0f3;
        background: #fff;
    }

    .nord-mobile-nav__footer .nord-btn {
        width: 100%;
        justify-content: center;
    }

    .nord-top.is-menu-open .nord-header {
        background: #fff !important;
        border-bottom-color: rgba(0, 0, 0, 0.06);
        box-shadow: none;
    }
    .nord-top.is-menu-open .nord-logo__light { display: none !important; }
    .nord-top.is-menu-open .nord-logo__dark { display: block !important; }
    .nord-top.is-menu-open .nord-header__menu-btn span {
        background: #374151;
    }
    .nord-top.is-menu-open .nord-lang__toggle {
        color: #374151;
    }

    .nord-tiles__grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
    .nord-why__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .nord-app-split__inner { grid-template-columns: 1fr; gap: 40px; }
    .nord-privacy-banner__inner { grid-template-columns: 1fr; gap: 40px; }
    .nord-reviews__cards { grid-template-columns: 1fr; }
    .nord-footer__grid { grid-template-columns: repeat(2, 1fr); }

    .nord-download__grid { grid-template-columns: repeat(2, 1fr); }
    .nord-news__layout { grid-template-columns: 1fr; }
    .nord-news__side { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
}

@media (max-width: 768px) {
    .nord-ip-bar {
        font-size: 12px;
        height: 32px;
        padding: 0;
    }
    .nord-ip-bar__inner {
        height: 32px;
        flex-wrap: nowrap;
        overflow: hidden;
        white-space: nowrap;
        gap: 4px;
        font-size: 12px;
    }
    .nord-ip-bar__item--isp,
    .nord-ip-bar__dot--isp { display: none; }

    .nord-mobile-backdrop,
    .nord-mobile-nav {
        top: calc(32px + var(--nord-header-h));
    }

    .nord-main { padding-top: calc(32px + var(--nord-header-h)); }
    .nord-page:has(.nord-hero) .nord-main { padding-top: 0; }

    .nord-container { padding-left: 16px; padding-right: 16px; }

    .nord-download__grid { grid-template-columns: 1fr; }
    .nord-news-card { grid-template-columns: 1fr; }
    .nord-news-card__body { padding: 0 20px 20px; }
    .nord-news__side { grid-template-columns: 1fr; }
    .nord-article__related-grid { grid-template-columns: 1fr; }

    .nord-page-hero {
        padding: calc(32px + var(--nord-header-h) + 24px) 0 48px !important;
        text-align: center;
    }
    .nord-page-hero__inner h1 {
        font-size: clamp(28px, 8vw, 40px);
        line-height: 1.15;
    }
    .nord-page-hero__inner p {
        font-size: 15px;
        line-height: 1.6;
        margin-left: auto;
        margin-right: auto;
    }

    .nord-platforms__icons {
        display: grid !important;
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
        justify-items: center;
    }

    .nord-security-banner__content {
        padding: 48px 16px;
        text-align: center;
    }
    .nord-security-banner__content h2 {
        font-size: clamp(24px, 7vw, 36px);
    }

    .nord-vpn-info__links {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .nord-bottom-cta__inner {
        padding: 0 8px;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .nord-section { padding: 48px 0; }
    .nord-stats__grid { grid-template-columns: 1fr; gap: 24px; }
    .nord-reviews__badges {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .nord-footer__grid { grid-template-columns: 1fr; }
    .nord-footer__bottom { flex-direction: column; text-align: center; gap: 12px; }
    .nord-header__cta { display: none; }
    .nord-download__steps { padding: 24px 16px; }
    .nord-download__head,
    .nord-news .nord-container > .nord-news__layout { overflow-wrap: anywhere; }

    .nord-platforms__icons {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 8px;
    }
    .nord-platform-icon {
        width: 100%;
        padding: 8px 4px;
    }
    .nord-platform-icon span { font-size: 11px; }

    .nord-faq__question {
        font-size: 16px;
        padding: 16px 0;
        gap: 12px;
        text-align: left;
    }

    .nord-app-split__text h2 br { display: none; }

    .nord-tile-card {
        min-height: 420px;
    }
}

/* Prevent horizontal scroll on small screens */
html, body {
    max-width: 100%;
    overflow-x: hidden;
}

img, svg, video {
    max-width: 100%;
}

/* ========== 定价页 ========== */
.nord-pricing-hero {
    background: #0b101a;
    color: #fff;
    padding: calc(28px + var(--nord-header-h) + 40px) 0 48px;
    text-align: center;
}

.nord-page:has(.nord-pricing-hero) .nord-main { padding-top: 0; }

.nord-page:has(.nord-pricing-hero) .nord-header {
    background: #0a1628;
    border-bottom-color: rgba(255, 255, 255, 0.06);
}
.nord-page:has(.nord-pricing-hero) .nord-logo__light { display: block; }
.nord-page:has(.nord-pricing-hero) .nord-logo__dark { display: none; }
.nord-page:has(.nord-pricing-hero) .nord-top.is-scrolled .nord-logo__light { display: none; }
.nord-page:has(.nord-pricing-hero) .nord-top.is-scrolled .nord-logo__dark { display: block; }
.nord-page:has(.nord-pricing-hero) .nord-nav__link { color: rgba(255, 255, 255, 0.9); }
.nord-page:has(.nord-pricing-hero) .nord-nav__link:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.nord-page:has(.nord-pricing-hero) .nord-top.is-scrolled .nord-nav__link { color: #374151; }
.nord-page:has(.nord-pricing-hero) .nord-header__util { color: rgba(255, 255, 255, 0.9); }
.nord-page:has(.nord-pricing-hero) .nord-top.is-scrolled .nord-header__util { color: #374151; }
.nord-page:has(.nord-pricing-hero) .nord-header__menu-btn span { background: #fff; }
.nord-page:has(.nord-pricing-hero) .nord-top.is-scrolled .nord-header__menu-btn span { background: #374151; }
.nord-page:has(.nord-pricing-hero) .nord-top.is-scrolled .nord-header {
    background: rgba(255, 255, 255, 0.96);
    border-bottom-color: rgba(0, 0, 0, 0.06);
}

.nord-pricing-hero h1 {
    margin: 0 0 12px;
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    letter-spacing: -0.02em;
}
.nord-pricing-hero p {
    margin: 0 auto;
    max-width: 640px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 16px;
}

.nord-pricing-plans {
    padding: 48px 0 72px;
    background: #f7f8fa;
    margin-top: -8px;
}

.nord-pricing-plans__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.nord-plan-card {
    position: relative;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 34, 102, 0.06);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.nord-plan-card--popular {
    box-shadow: 0 12px 40px rgba(70, 135, 255, 0.18);
    transform: translateY(-8px);
}

.nord-plan-card__ribbon {
    background: linear-gradient(90deg, #4687ff, #6ba3ff);
    color: #fff;
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    padding: 10px 16px;
}

.nord-plan-card__body {
    padding: 28px 24px 32px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.nord-plan-card h2 {
    margin: 0 0 16px;
    font-size: 22px;
    font-weight: 800;
}

.nord-plan-card__price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 8px;
}
.nord-plan-card__price strong {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #111827;
}
.nord-plan-card__price span {
    font-size: 15px;
    color: #6b7280;
}

.nord-plan-card__save {
    display: inline-flex;
    align-self: flex-start;
    background: #ffe8e5;
    color: #ff5544;
    font-size: 13px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 10px;
}

.nord-plan-card__note {
    margin: 0 0 20px;
    font-size: 13px;
    color: #9ca3af;
    line-height: 1.5;
}

.nord-plan-card__btn {
    width: 100%;
    margin-bottom: 24px;
}

.nord-btn--outline {
    background: #fff;
    color: #4687ff;
    border: 2px solid #4687ff;
}
.nord-btn--outline:hover {
    background: #f0f6ff;
}

.nord-plan-card__features {
    list-style: none;
    margin: 0;
    padding: 0;
}
.nord-plan-card__features li {
    position: relative;
    padding: 8px 0 8px 28px;
    font-size: 14px;
    color: #374151;
    border-top: 1px solid #f3f4f6;
}
.nord-plan-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #e8f1ff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%234687ff' d='M6.5 11.2 3.3 8l1.1-1.1 2.1 2.1 4.1-4.2L11.7 6z'/%3E%3C/svg%3E") center/12px no-repeat;
}

.nord-pricing-compare {
    padding: 72px 0;
    background: #fff;
}
.nord-pricing-compare h2 {
    text-align: center;
    margin: 0 0 40px;
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
}

.nord-compare-wrap {
    overflow-x: auto;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 34, 102, 0.06);
}

.nord-compare {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
    background: #fff;
}
.nord-compare th,
.nord-compare td {
    padding: 14px 18px;
    text-align: center;
    font-size: 14px;
    border-bottom: 1px solid #f3f4f6;
}
.nord-compare th:first-child,
.nord-compare td:first-child {
    text-align: left;
    font-weight: 500;
    color: #374151;
}
.nord-compare thead th {
    background: #f7f8fa;
    font-weight: 700;
    color: #111827;
}
.nord-compare thead th.is-highlight,
.nord-compare td.is-highlight {
    background: #f0f6ff;
}
.nord-compare__group td {
    background: #fafafa;
    font-weight: 700;
    color: #111827;
    text-align: left !important;
}
.nord-check {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #4687ff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23fff' d='M6.5 11.2 3.3 8l1.1-1.1 2.1 2.1 4.1-4.2L11.7 6z'/%3E%3C/svg%3E") center/12px no-repeat;
}
.nord-dash { color: #d1d5db; }

.nord-pricing-more {
    padding: 72px 0;
    background: #f7f8fa;
}
.nord-pricing-more h2 {
    text-align: center;
    margin: 0 0 40px;
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
}
.nord-pricing-more__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.nord-more-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 34, 102, 0.06);
}
.nord-more-card__media {
    aspect-ratio: 16/10;
    background: #e8f1ff;
    overflow: hidden;
}
.nord-more-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.nord-more-card h3 {
    margin: 16px 16px 8px;
    font-size: 17px;
    font-weight: 700;
}
.nord-more-card p {
    margin: 0 16px 20px;
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
}
.nord-pricing-more__cta {
    text-align: center;
    margin-top: 40px;
}

.nord-pricing-trusted {
    padding: 72px 0;
    background: #fff;
}
.nord-pricing-trusted h2 {
    text-align: center;
    margin: 0 0 36px;
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
}
.nord-pricing-trusted__logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 28px 40px;
    margin-bottom: 40px;
    opacity: 0.75;
}
.nord-pricing-trusted__logos img {
    height: 24px;
    width: auto;
    filter: grayscale(1);
}
.nord-pricing-trusted__quotes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.nord-pricing-trusted__quotes blockquote {
    margin: 0;
    padding: 24px;
    background: #f7f8fa;
    border-radius: 16px;
}
.nord-pricing-trusted__quotes p {
    margin: 0 0 12px;
    font-size: 15px;
    color: #374151;
    line-height: 1.6;
}
.nord-pricing-trusted__quotes cite {
    font-style: normal;
    font-size: 13px;
    font-weight: 700;
    color: #6b7280;
}

.nord-pricing-faq {
    padding: 72px 0;
    background: #f7f8fa;
}
.nord-pricing-faq h2 {
    text-align: center;
    margin: 0 0 36px;
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
}

.nord-pricing-guarantee {
    padding: 48px 0 80px;
    background: #e8f1ff;
}
.nord-pricing-guarantee__inner {
    display: flex;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
    justify-content: space-between;
}
.nord-pricing-guarantee__inner h2 {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 800;
}
.nord-pricing-guarantee__inner p {
    margin: 0;
    color: #4b5563;
    max-width: 480px;
}

@media (max-width: 1024px) {
    .nord-pricing-plans__grid,
    .nord-pricing-more__grid {
        grid-template-columns: 1fr 1fr;
    }
    .nord-plan-card--popular { transform: none; }
    .nord-pricing-trusted__quotes { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .nord-pricing-plans__grid,
    .nord-pricing-more__grid {
        grid-template-columns: 1fr;
    }
    .nord-pricing-guarantee__inner {
        flex-direction: column;
        text-align: center;
    }
    .nord-pricing-guarantee__inner p { max-width: none; }
}