Arccaptain MIG250 Multi Process Welder 250 Amps MIG Welder

Description

/* ============================================ 命名空间前缀: m250f- 品牌色: #871525 深红 / #111 黑 / #f5f5f5 浅灰 规则: 全部类选择器，禁止标签选择器 ============================================ */ .m250f-wrap, .m250f-wrap * { box-sizing: border-box; margin: 0; padding: 0; } /* ============================================ 根容器 ============================================ */ .m250f-wrap { font-family: ‘Helvetica Neue’, Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.75; color: #444; background: #fff; max-width: 960px; margin: 0 auto; padding: 32px 24px 60px; } /* ============================================ 品牌顶部装饰条 ============================================ */ .m250f-brand-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; padding-bottom: 14px; border-bottom: 3px solid #871525; } .m250f-brand-name { font-size: 1.2em; font-weight: 900; color: #111; letter-spacing: 3px; text-transform: uppercase; } .m250f-brand-tag-red { font-size: 0.7em; font-weight: 700; color: #fff; background: #871525; padding: 3px 10px; border-radius: 2px; letter-spacing: 1.5px; text-transform: uppercase; } .m250f-brand-tag-dark { font-size: 0.7em; font-weight: 700; color: #fff; background: #111; padding: 3px 10px; border-radius: 2px; letter-spacing: 1.5px; text-transform: uppercase; } /* ============================================ 视频容器 — 核心修复方案 完全脱离百分比继承，用固定宽高比盒子 ============================================ */ .m250f-video-outer { width: 100%; max-width: 720px; margin: 0 0 24px 0; /* 裁掉任何溢出的黑色 */ overflow: hidden; line-height: 0; font-size: 0; /* 电脑端固定高度精确匹配 16:9 */ height: 405px; /* 720 × 9/16 = 405 */ position: relative; } .m250f-video-frame { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; display: block; } /* ============================================ 段落 / 加粗 ============================================ */ .m250f-para { display: block; font-size: 0.97em; color: #444; margin-bottom: 1em; line-height: 1.75; } .m250f-em { font-weight: 700; color: #111; } /* ============================================ 区块标题 ============================================ */ .m250f-heading { display: block; font-size: 1.1em; font-weight: 800; color: #111; padding-left: 12px; border-left: 4px solid #871525; margin: 28px 0 12px; line-height: 1.4; } /* ============================================ 特性列表 ============================================ */ .m250f-feat-list { list-style: none; padding: 0; margin: 0 0 20px; } .m250f-feat-item { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid #f0f0f0; font-size: 0.93em; color: #444; line-height: 1.65; } .m250f-feat-item:last-child { border-bottom: none; } .m250f-feat-dot { flex-shrink: 0; width: 6px; height: 6px; background: #871525; border-radius: 50%; margin-top: 9px; } .m250f-feat-key { font-weight: 700; color: #111; margin-right: 3px; } /* ============================================ 表格区块标题 ============================================ */ .m250f-spec-title { display: block; font-size: 1.1em; font-weight: 800; color: #111; padding-left: 12px; border-left: 4px solid #871525; margin: 32px 0 14px; line-height: 1.4; } /* ============================================ 表格滚动容器 ============================================ */ .m250f-table-scroll { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid #e0e0e0; border-radius: 6px; scrollbar-width: thin; scrollbar-color: #ccc #f5f5f5; } .m250f-table-scroll::-webkit-scrollbar { height: 5px; } .m250f-table-scroll::-webkit-scrollbar-track { background: #f5f5f5; } .m250f-table-scroll::-webkit-scrollbar-thumb { background: #bbb; border-radius: 3px; } /* ============================================ 表格本体 ============================================ */ .m250f-table { width: 100%; min-width: 480px; border-collapse: collapse; background: #fff; } .m250f-thead-row { position: sticky; top: 0; z-index: 2; } .m250f-th { background: #871525; color: #fff; font-weight: 700; font-size: 0.88em; letter-spacing: 0.5px; padding: 12px 20px; text-align: left; white-space: nowrap; } .m250f-th-first { width: 48%; border-radius: 6px 0 0 0; } .m250f-th-last { border-radius: 0 6px 0 0; } .m250f-tr-odd .m250f-td { background: #fff; } .m250f-tr-even .m250f-td { background: #fafafa; } .m250f-td { padding: 11px 20px; font-size: 0.9em; border-bottom: 1px solid #ebebeb; vertical-align: middle; color: #555; line-height: 1.55; } .m250f-td-label { font-weight: 600; color: #111; } .m250f-td-sub { display: block; font-weight: 400; color: #888; font-size: 0.87em; } .m250f-td-line { display: block; } .m250f-td-noborder { border-bottom: none; } /* ============================================ 响应式 — 平板 (≤768px) ============================================ */ @media screen and (max-width: 768px) { .m250f-wrap { font-size: 15px; padding: 22px 16px 44px; } /* 平板/手机：取消固定高度，改回 padding 比例方案 */ .m250f-video-outer { max-width: 100%; height: 0; padding-top: 56.25%; } .m250f-video-frame { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } .m250f-th, .m250f-td { padding: 10px 14px; } } /* ============================================ 响应式 — 手机 (≤480px) ============================================ */ @media screen and (max-width: 480px) { .m250f-wrap { font-size: 14px; padding: 14px 12px 36px; } .m250f-brand-name { font-size: 1em; letter-spacing: 2px; } .m250f-brand-tag-red, .m250f-brand-tag-dark { font-size: 0.65em; padding: 2px 8px; } .m250f-heading, .m250f-spec-title { font-size: 1em; margin: 22px 0 10px; } .m250f-th, .m250f-td { padding: 9px 11px; font-size: 0.83em; } }