/* ============================================================
   about.css - 关于集和页面样式
   ============================================================ */

/* ============ 顶部 Hero（红色大色块） ============ */
.about-hero {
    background: linear-gradient(135deg, #c8102e 0%, #a30d24 100%);
    color: #fff;
    padding: 88px 0 84px;
    position: relative;
    overflow: hidden;
}
.about-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.4), transparent);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.4), transparent);
    pointer-events: none;
}
.about-hero::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, transparent 70%);
    pointer-events: none;
}
.about-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    text-align: left;
}
.about-hero h1 {
    font-size: clamp(36px, 5.5vw, 64px);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin: 0 0 24px;
}
.about-hero-sep {
    font-weight: 300;
    margin: 0 10px;
    opacity: 0.9;
    letter-spacing: 0;
}
.about-hero p {
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255,255,255,0.92);
    max-width: 820px;
    margin: 0 0 44px;
}
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding-top: 8px;
}
.about-stat {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 10px;
    border-left: 2px solid rgba(255,255,255,0.25);
}
.about-stat strong {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    line-height: 1;
}
.about-stat span {
    font-size: 13px;
    color: rgba(255,255,255,0.75);
    letter-spacing: 0.02em;
}

/* ============ 通用区块标题 ============ */
.about-section-head {
    text-align: center;
    margin: 0 auto 48px;
    max-width: 760px;
}
.about-section-head small {
    display: block;
    font-size: 12px;
    letter-spacing: 0.3em;
    color: #888;
    text-transform: uppercase;
    margin-bottom: 14px;
    font-weight: 600;
}
.about-section-head h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: -0.01em;
    margin: 0 0 14px;
    line-height: 1.3;
}
.about-section-head p {
    font-size: 15px;
    color: #555;
    margin: 0;
    line-height: 1.8;
}
.about-section-head-left {
    text-align: left;
    margin-left: 0;
}
.about-section-head-left small {
    text-align: left;
}

/* ============ 为什么选择集和 ============ */
.about-why {
    background: #f7f7f8;
    padding: 88px 0 92px;
}
.about-why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    max-width: 1060px;
    margin: 0 auto;
}
.about-why-card {
    background: #fafafa;
    border: 1px solid #ececee;
    padding: 32px 36px;
    display: flex;
    gap: 22px;
    align-items: flex-start;
    transition: all 0.25s ease;
    border-radius: 2px;
}
.about-why-card:hover {
    background: #fff;
    border-color: rgba(200,16,46,0.35);
    box-shadow: 0 14px 30px rgba(0,0,0,0.04);
    transform: translateY(-2px);
}
.about-why-icon {
    width: 40px;
    height: 40px;
    background: #c8102e;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    flex-shrink: 0;
    margin-top: 2px;
}
.about-why-card h3 {
    font-size: 16.5px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 10px;
}
.about-why-card p {
    font-size: 14px;
    line-height: 1.85;
    color: #555;
    margin: 0;
}

/* ============ 品牌精神（深色居中） ============ */
.about-spirit {
    background: #1b1b1d;
    color: #fff;
    padding: 88px 0 92px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.about-spirit::before,
.about-spirit::after {
    content: "";
    position: absolute;
    width: 560px;
    height: 560px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}
.about-spirit::before {
    left: -200px;
    top: -200px;
    background: radial-gradient(circle, rgba(200,16,46,0.15) 0%, transparent 70%);
}
.about-spirit::after {
    right: -200px;
    bottom: -200px;
    background: radial-gradient(circle, rgba(200,16,46,0.08) 0%, transparent 70%);
}
.about-spirit-inner {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
}
.about-spirit small {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.3em;
    margin-bottom: 28px;
    font-weight: 500;
}
.about-spirit h2 {
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 18px;
    letter-spacing: -0.01em;
}
.about-spirit-hero-sub {
    font-size: 15.5px;
    color: #ff4d5a;
    margin: 0 0 44px !important;
    letter-spacing: 0.04em;
    font-weight: 600;
}
.about-spirit-text {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 0 auto 48px;
    max-width: 560px;
}
.about-spirit-text p {
    font-size: 15px;
    line-height: 1.9;
    color: rgba(255,255,255,0.72);
    margin: 0;
    letter-spacing: 0.02em;
}
.about-spirit-text p.is-strong {
    color: #fff;
    font-weight: 700;
    font-size: 16.5px;
}
.about-spirit-text p.is-strong.has-line {
    position: relative;
    padding-top: 18px;
    margin-top: 8px;
}
.about-spirit-text p.is-strong.has-line::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: rgba(200,16,46,0.7);
}
.about-spirit-signature {
    font-size: 15px !important;
    color: rgba(255,255,255,0.85) !important;
    font-weight: 600 !important;
    margin-top: 12px !important;
    font-style: italic;
}
.about-spirit-end {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 800;
    line-height: 1.55;
    margin: 0;
    padding-top: 36px;
    border-top: 1px solid rgba(255,255,255,0.12);
    letter-spacing: -0.01em;
    color: #fff;
}
.about-spirit-end span {
    color: #ff4d5a;
}

/* ============ 发展历程 ============ */
.about-milestones {
    background: #f7f7f8;
    padding: 88px 0 92px;
}
.about-milestones-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    max-width: 1160px;
    margin: 0 auto;
}
.about-milestone {
    background: #fff;
    border: 1px solid #ececee;
    padding: 30px 32px 34px;
    transition: all 0.25s ease;
    border-radius: 2px;
}
.about-milestone:hover {
    border-color: rgba(200,16,46,0.35);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(0,0,0,0.04);
}
.about-year {
    display: inline-block;
    font-size: 18px;
    font-weight: 800;
    color: #c8102e;
    letter-spacing: 0.02em;
    margin-bottom: 14px;
    line-height: 1;
}
.about-milestone h3 {
    font-size: 16.5px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 10px;
}
.about-milestone p {
    font-size: 13.5px;
    line-height: 1.8;
    color: #555;
    margin: 0;
}

/* ============ 联系我们 ============ */
.about-contact {
    background: #f7f7f8;
    padding: 40px 0 100px;
}
.about-honor {
    max-width: 1100px;
    margin: 0 auto 56px;
    background: linear-gradient(135deg, #1a1a1c 0%, #252528 60%, #1a1a1c 100%);
    padding: 52px 48px 58px;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.04);
    border: 1px solid rgba(212,175,55,0.18);
}
.about-honor::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(212,175,55,0.25);
    border-radius: 2px;
    pointer-events: none;
    z-index: 0;
}
.about-honor::after {
    content: "";
    position: absolute;
    top: -120px;
    right: -120px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(212,175,55,0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.about-honor-inner {
    position: relative;
    z-index: 1;
    text-align: center;
}
.about-honor-head {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 18px;
    margin-bottom: 16px;
    width: 100%;
}
.about-honor-bar {
    width: 40px;
    height: 1px;
    background: linear-gradient(to right, transparent, #c9a961, transparent);
    display: inline-block;
}
.about-honor-head small {
    font-size: 11.5px;
    letter-spacing: 0.45em;
    color: #c9a961;
    font-weight: 600;
    display: inline-block;
}
.about-honor h2 {
    font-size: 28px;
    font-weight: 700;
    color: #e8d39a;
    margin: 0 0 12px;
    letter-spacing: 0.12em;
    background: linear-gradient(180deg, #f5deaa 0%, #c9a961 60%, #9a7d3d 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    display: block;
}
.about-honor-sub {
    font-size: 13.5px;
    color: rgba(255,255,255,0.55);
    margin: 0 auto 42px;
    max-width: 560px;
    line-height: 1.8;
}

.about-honor-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}
.about-honor-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid rgba(201,169,97,0.2);
    padding: 36px 20px 30px;
    text-align: center;
    position: relative;
    border-radius: 2px;
    transition: all 0.3s ease;
}
.about-honor-card::before {
    content: "";
    position: absolute;
    top: 14px;
    left: 14px;
    right: 14px;
    bottom: 14px;
    border: 1px solid rgba(201,169,97,0.1);
    border-radius: 1px;
    pointer-events: none;
    transition: border-color 0.3s ease;
}
.about-honor-card::after {
    content: "◆";
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(201,169,97,0.35);
    font-size: 8px;
    line-height: 1;
}
.about-honor-card:hover {
    border-color: rgba(212,175,55,0.55);
    background: linear-gradient(180deg, rgba(212,175,55,0.08) 0%, rgba(201,169,97,0.02) 100%);
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(0,0,0,0.3);
}
.about-honor-card:hover::before {
    border-color: rgba(212,175,55,0.4);
}
.about-honor-badge {
    display: inline-block;
    font-family: 'Playfair Display', 'Times New Roman', serif;
    font-size: 22px;
    font-weight: 700;
    font-style: italic;
    color: #c9a961;
    letter-spacing: 0.05em;
    line-height: 1;
    margin-bottom: 22px;
    padding-bottom: 18px;
    position: relative;
}
.about-honor-badge::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 1px;
    background: linear-gradient(to right, transparent, #c9a961, transparent);
}
.about-honor-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: #f0e4c5;
    margin: 0 0 8px;
    letter-spacing: 0.04em;
}
.about-honor-card p {
    font-size: 12.5px;
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
    margin: 0;
    letter-spacing: 0.02em;
}
.about-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
    align-items: stretch;
}

/* ========== 左侧：联系信息卡片 ========== */
.about-contact-info {
    position: relative;
    background: linear-gradient(160deg, #1d1d20 0%, #252528 60%, #1d1d20 100%);
    padding: 46px 42px 48px;
    display: flex;
    flex-direction: column;
    gap: 0;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.22), inset 0 1px 0 rgba(255,255,255,0.04);
    border: 1px solid rgba(201,169,97,0.2);
}
.about-contact-info::before {
    content: "";
    position: absolute;
    inset: 10px;
    border: 1px solid rgba(201,169,97,0.18);
    border-radius: 2px;
    pointer-events: none;
    z-index: 0;
}
.about-contact-info::after {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(200,16,46,0.18) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* 顶部标签区 */
.about-contact-info-head {
    position: relative;
    z-index: 1;
    text-align: center;
    padding-bottom: 28px;
    margin-bottom: 28px;
    border-bottom: 1px solid rgba(201,169,97,0.2);
}
.about-contact-info-head small {
    display: block;
    font-size: 11px;
    color: #c9a961;
    letter-spacing: 0.5em;
    margin-bottom: 10px;
    font-weight: 600;
}
.about-contact-info-head h3 {
    font-size: 20px;
    color: #f0e4c5;
    margin: 0;
    font-weight: 700;
    letter-spacing: 0.08em;
    background: linear-gradient(180deg, #f5deaa 0%, #c9a961 70%, #9a7d3d 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* 信息项 */
.about-contact-item {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.about-contact-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.about-contact-icon {
    width: 42px;
    height: 42px;
    min-width: 42px;
    background: rgba(200,16,46,0.12);
    border: 1px solid rgba(200,16,46,0.35);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all 0.2s ease;
}
.about-contact-item:hover .about-contact-icon {
    background: #c8102e;
    border-color: #c8102e;
}
.about-contact-item small {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 6px;
    letter-spacing: 0.2em;
    font-weight: 600;
    text-transform: uppercase;
}
.about-contact-item strong {
    font-size: 16px;
    font-weight: 600;
    color: #f3ead2;
    line-height: 1.55;
    display: block;
}

/* ========== 右侧：预约表单卡片 ========== */
.about-contact-form {
    position: relative;
    background: #fff;
    padding: 44px 46px 48px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    border-radius: 4px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.08), 0 1px 0 rgba(0,0,0,0.03);
    border: 1px solid #ececee;
}
.about-contact-form::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #c8102e 0%, #e85262 50%, #c8102e 100%);
    border-radius: 4px 4px 0 0;
}
.about-contact-form h3 {
    position: relative;
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 6px;
    padding-bottom: 14px;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 12px;
}
.about-contact-form h3::before {
    content: "";
    width: 18px;
    height: 2px;
    background: #c8102e;
    display: inline-block;
    flex-shrink: 0;
}
.about-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.about-contact-form input,
.about-contact-form select,
.about-contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e5e5e7;
    border-radius: 2px;
    font-size: 13.5px;
    color: #1a1a1a;
    background: #fcfcfd;
    font-family: inherit;
    transition: all 0.2s ease;
    box-sizing: border-box;
    letter-spacing: 0.02em;
}
.about-contact-form input:focus,
.about-contact-form select:focus,
.about-contact-form textarea:focus {
    outline: none;
    border-color: #c8102e;
    background: #fff;
    box-shadow: 0 4px 16px rgba(200,16,46,0.1);
}
.about-contact-form input::placeholder,
.about-contact-form textarea::placeholder {
    color: #a8a8ac;
}
.about-contact-form textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.7;
}
.about-contact-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none' stroke='%23c8102e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-color: #fcfcfd;
    padding-right: 44px;
    color: #1a1a1a;
}
.about-contact-form select option {
    color: #1a1a1a;
}

.about-submit {
    width: 100%;
    margin-top: 10px;
    padding: 16px 22px;
    background: linear-gradient(180deg, #c8102e 0%, #aa0e26 100%);
    color: #fff;
    border: none;
    border-radius: 2px;
    font-size: 14.5px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: 0.1em;
    transition: all 0.25s ease;
    box-shadow: 0 10px 24px rgba(200,16,46,0.28);
}
.about-submit:hover {
    background: linear-gradient(180deg, #e31536 0%, #c8102e 100%);
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(200,16,46,0.36);
}
.about-submit span {
    transition: transform 0.2s ease;
}
.about-submit:hover span {
    transform: translateX(4px);
}

/* ============ 响应式 ============ */
@media (max-width: 1000px) {
    .about-why-grid { grid-template-columns: 1fr; }
    .about-milestones-grid { grid-template-columns: repeat(2, 1fr); }
    .about-contact-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .about-honor-grid { grid-template-columns: repeat(3, 1fr); }
    .about-honor { padding: 40px 36px 48px; }
    .about-honor h2 { font-size: 24px; }
}
@media (max-width: 640px) {
    .about-hero { padding: 60px 0 64px; }
    .about-hero h1 { font-size: 36px; }
    .about-why { padding: 64px 0 68px; }
    .about-section-head h2 { font-size: 26px; }
    .about-milestones { padding: 64px 0 68px; }
    .about-milestones-grid { grid-template-columns: 1fr; }
    .about-spirit { padding: 64px 0 68px; }
    .about-contact { padding: 30px 0 70px; }
    .about-honor { padding: 34px 22px 40px; }
    .about-honor::before { inset: 6px; }
    .about-honor h2 { font-size: 22px; letter-spacing: 0.08em; }
    .about-honor-grid { grid-template-columns: repeat(2, 1fr); }
    .about-honor-card { padding: 30px 16px 26px; }
    .about-form-row { grid-template-columns: 1fr; }
    .about-why-card { flex-direction: column; padding: 26px 22px; }
    .about-contact-info { padding: 28px 24px; }
    .about-contact-form { padding: 28px 24px 32px; }
}