/**
 * 联系我们页面 — 完整样式（1:1 复刻 demo.reemoon.com/contact-us）
 * 依赖: design-system/tokens.css（需在 base.html 中引入）
 */

/* ================================================================
   CSS Variables（Token 别名，若未引入 tokens.css 则回退到硬编码值）
   ================================================================ */
.contact-page {
    --contact-brand: var(--rm-color-brand-500);
    --contact-brand-dark: var(--rm-color-brand-800);
    --contact-brand-deep: var(--rm-color-brand-600);
    --contact-brand-light: var(--rm-color-brand-400);
    --contact-brand-bright: var(--rm-color-brand-300);
    --contact-brand-muted: var(--rm-color-brand-50);
    --contact-brand-glow: rgba(0, 133, 111, 0.18);
    --contact-text: var(--rm-color-neutral-800);
    --contact-text-muted: var(--rm-color-neutral-600);
    --contact-text-soft: var(--rm-color-neutral-500);
    --contact-max: min(var(--rm-container-full), 100%);
    --contact-gutter: var(--rm-gutter-fluid);
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    overflow-x: clip;
    color: var(--contact-text);
    background: var(--rm-color-neutral-0);
}

/* ---- container ---- */
.contact-container {
    width: 100%;
    max-width: var(--contact-max);
    margin: 0 auto;
    padding-left: var(--contact-gutter);
    padding-right: var(--contact-gutter);
    box-sizing: border-box;
}

/* ---- eyebrow / heading / lead ---- */
.contact-eyebrow {
    margin: 0 0 var(--rm-space-3);
    font-size: 13px;
    font-weight: var(--rm-font-semibold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--contact-brand);
}

.contact-heading {
    margin: 0 0 var(--rm-space-4);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: var(--rm-font-bold);
    line-height: var(--rm-leading-tight);
    letter-spacing: var(--rm-tracking-tight);
    color: var(--contact-brand-dark);
}

.contact-lead {
    margin: 0;
    max-width: 640px;
    font-size: clamp(1.0625rem, 1.25vw, 1.1875rem);
    line-height: 1.8;
    color: var(--contact-text-muted);
}

/* ================================================================
   Hero — 深绿渐变背景 + 面包屑 + 大标题 + 描述
   ================================================================ */
.contact-hero {
    position: relative;
    min-height: clamp(420px, 52vh, 560px);
    display: flex;
    align-items: flex-end;
    padding-bottom: clamp(48px, 6vw, 80px);
    overflow: hidden;
}

.contact-hero__bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 80% at 15% 40%, rgba(0, 168, 138, 0.35), transparent 55%), radial-gradient(ellipse 50% 60% at 85% 20%, rgba(110, 231, 199, 0.12), transparent 50%), linear-gradient(145deg, var(--rm-color-brand-800) 0%, var(--rm-color-brand-dark) 38%, var(--rm-color-brand) 68%, var(--rm-color-brand-800) 100%);
}

.contact-hero__bg::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 85%);
}

.contact-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.45) 0%, transparent 55%);
}

.contact-hero__inner {
    position: relative;
    z-index: 2;
    padding-top: clamp(100px, 12vw, 140px);
}

/* ---- 面包屑 ---- */
.contact-hero .techd-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--rm-space-6);
    font-size: var(--rm-text-sm);
    color: rgba(255, 255, 255, 0.65);
}

.contact-hero .techd-breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-hero .techd-breadcrumb a:hover {
    color: var(--rm-color-neutral-0);
}

.contact-hero .techd-breadcrumb span[aria-hidden] {
    color: rgba(255, 255, 255, 0.65);
    user-select: none;
}

.contact-hero .techd-breadcrumb span[aria-current] {
    color: rgba(255, 255, 255, 0.65);
    font-weight: 400;
}

/* ---- 标题 ---- */
.contact-hero__title {
    margin: 0 0 var(--rm-space-4);
    max-width: 14ch;
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: var(--rm-font-bold);
    line-height: var(--rm-leading-none);
    letter-spacing: -0.03em;
    color: var(--rm-color-neutral-0);
}

/* ---- 副标题/描述 ---- */
.contact-hero__subtitle {
    margin: 0;
    max-width: min(640px, 90%);
    font-size: clamp(1rem, 1.4vw, 1.2rem);
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.82);
}

/* ---- 底部滚动指示器 ---- */
.contact-hero__scroll {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.contact-hero__scroll-line {
    display: block;
    width: 1px;
    height: 48px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), transparent);
    animation: contactScrollPulse 2s ease-in-out infinite;
}

@keyframes contactScrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(0.85); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ================================================================
   Section 通用
   ================================================================ */
.contact-page .contact-section {
    position: relative;
    padding: clamp(64px, 8vw, 112px) 0;
}

/* 覆盖 legacy 模板中 .contact-section::before 的紫色渐变 */
.contact-page .contact-section::before {
    display: none;
    content: none;
    background: none;
}

.contact-page .contact-section > .contact-container {
    position: relative;
    z-index: 1;
}

/* ================================================================
   Channels — 三列联系卡片
   ================================================================ */
.contact-channels {
    overflow: hidden;
    background:
        radial-gradient(ellipse 85% 65% at 12% 18%, rgba(0, 168, 138, 0.1), transparent 52%),
        radial-gradient(ellipse 75% 55% at 88% 82%, rgba(110, 231, 199, 0.18), transparent 50%),
        linear-gradient(155deg, #fafdfc 0%, #eef6f3 42%, #e4f0ec 78%, #f6faf8 100%);
}

.contact-channels__grid {
    display: grid;
    gap: clamp(20px, 2.5vw, 28px);
}

@media (min-width: 768px) {
    .contact-channels__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ---- 单张卡片 ---- */
.contact-channel {
    position: relative;
    padding: clamp(28px, 3vw, 36px);
    text-align: center;
    background: var(--rm-color-neutral-0);
    border: 1px solid rgba(0, 133, 111, 0.12);
    border-radius: var(--rm-radius-card);
    box-shadow: 0 4px 24px rgba(0, 50, 42, 0.04);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

/* 顶部绿色装饰条 */
.contact-channel::before {
    content: "";
    position: absolute;
    top: 0;
    left: 28px;
    right: 28px;
    height: 3px;
    border-radius: 0 0 4px 4px;
    background: linear-gradient(90deg, var(--contact-brand), var(--contact-brand-light));
    opacity: 0;
    transition: opacity 0.28s ease;
}

.contact-channel:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 133, 111, 0.28);
    box-shadow: var(--rm-shadow-lg);
}

.contact-channel:hover::before {
    opacity: 1;
}

/* ---- 卡片内部 ---- */
.contact-channel__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin: 0 auto var(--rm-space-5);
    border-radius: 14px;
    background: var(--contact-brand-muted);
    color: var(--contact-brand);
}

.contact-channel__icon img {
    width: var(--rm-space-6);
    height: var(--rm-space-6);
    object-fit: contain;
}

.contact-channel__icon .citrus-icon {
    width: var(--rm-space-6);
    height: var(--rm-space-6);
}

.contact-channel__title {
    margin: 0 0 14px;
    font-size: var(--rm-text-lg);
    font-weight: var(--rm-font-bold);
    color: var(--contact-text);
}

.contact-channel__body p {
    margin: 0 0 var(--rm-space-2);
    font-size: 0.9375rem;
    line-height: var(--rm-leading-relaxed);
    color: var(--contact-text-muted);
    text-align: center;
}

.contact-channel__body p:last-child {
    margin-bottom: 0;
}

.contact-channel__body a {
    color: var(--contact-brand);
    font-weight: var(--rm-font-medium);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-channel__body a:hover {
    color: var(--contact-brand-dark);
    text-decoration: underline;
}

/* ---- 电话链接特殊样式 ---- */
.contact-channel__phone {
    margin: 0 0 10px;
}

.contact-channel__phone:last-child {
    margin-bottom: 0;
}

.contact-channel__phone-link {
    display: inline-block;
    color: var(--contact-brand);
    font-size: 0.9375rem;
    font-weight: var(--rm-font-medium);
    line-height: var(--rm-leading-relaxed);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-channel__phone-link:hover {
    color: var(--contact-brand-dark);
    text-decoration: underline;
}

/* ================================================================
   Inquiry Form 区域
   ================================================================ */
.contact-inquiry {
    position: relative;
    padding-bottom: clamp(80px, 10vw, 120px);
}

.contact-inquiry__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, var(--contact-brand-muted), transparent 70%),
        linear-gradient(180deg, var(--rm-color-neutral-50) 0%, var(--rm-color-neutral-0) 100%);
}

.contact-inquiry__head {
    margin-bottom: clamp(24px, 3vw, 32px);
    text-align: center;
}

.contact-inquiry__head .contact-heading,
.contact-inquiry__head .contact-lead,
.contact-inquiry__head .contact-eyebrow {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.contact-inquiry__head .contact-lead {
    max-width: 640px;
}

.contact-inquiry__form-wrap {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
}

/* ================================================================
   动效减弱
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
    .contact-hero__scroll-line {
        animation: none;
    }
    .contact-channel:hover,
    .contact-btn--primary:hover {
        transform: none;
    }
}